Document 6507819
Transcription
Document 6507819
MOSQUITO BRIGADES .y "f ^ ^' ^o BRIGADES MOSQUITO AND TO HOW RONALD F.R.C.S., D.P.H., F.R.S. ROSS, Walter THEM ORGANISE Myers Lecturer in Tropical Medicine^ Liverpool School of Tropical Medicine. Major Indian Medical Service^ retired. ^ C LONGMANS, London GREEN, : PHILIP GEORGE 1902 AND " SON CO. Copyright, LONGMANS, GREEN, All \^ 1901, rights by AND reserved CO. DEDICATED GRATEFULLY TO Sir L. ALFRED the and The of subscribers School Liverpool ; also and Medicine Tropical of Those K.C.M.G. JONES, to Generous Donors \ who have munificent their by enabled support to us undertake OUR CAMPAIGN IN WEST AFRICA PREFACE. The tropical important and fever, beings the by bites There to several almost day by Such of measures in as continue night at America In of these the dows win- invasion fixed to in the of in isolating of our to be this kind by is we only the mosquitoes, and it may partial, make, avoid we being buildings hope these insects cause, be- not, can- bitten. from separate that, is diseases mosquito-borne in in them, Moreover, entirely ourselves fect. de- great one afford can protection against neighbours, bitten who number. tropics, safeguard have however, in the efforts Another bulk swing and nets. screens those few that practice especially the punkahs the well already Europeans, from these, only protect whatever consists India mosquito wire-gauze necessarily are found adopt we doors. They who in security our protection of protected are means and cal tropi- measures in heads the employs houses pests of example, over everyone entire but the upon means For us. and night depends human into revolutionised comfort our low yel- insects. are known has most fever, inoculated are the of malarial namely, mosquitoes only now these against of several of germs diseases, Not tropics the elephantiasis, hygiene. the that discovery if even will we not PREFACE. VIU infected be This by having also, means, sometimes While all these particularly strikes in rich, be this the but individuals The best can based world ; and operations written only have tried the already started in reader will The general crusade than character volunteer Liverpool, the under 13M a the crusades. 1901. of that, novel parts results Liverpool in the of the School is not for but one any- I abound. in operations the of work tropics, of we during me The accounts parts by mosquitoes various how information actual the volved in- screens. show to various the by in flag. October, the and expense The Africa. more most is gained on perceive of and wire-gauze in the only not protected; be with ** ? once out, will where various at carried upon contains Appendix them work men describe to of trouble West in countries in insects, mosquitoes medical for these mosquitoes. carried being lives who of Medicine Tropical of present especially now bites experience upon more the houses against years' study many and the war wage is given of of object question trouble the their providing the much be saved beneficial, so population be them. is take rid get can whole will in to measure to rich, and than from better the by circumstances, Rather persons. undoubtedly are ourselves it not Where a " infected only even special once, protecting would adopted measures under at us be can inconvenient very bitten previously the detail campaigns world. fact, I and preaching am perhaps I trust more that ful use- he will ; CONTENTS, PACE PREFACE vii THINGS TO 1. Leading 2. Some 3. General 4. The 5. Breeding 6. How THINGS BE LEARNT : Facts Mosquitoes about I Corrected Misconceptions Popular Principles to 3 Followed be 4 . TO Places Breeding Places TO BE 7. Appointment 8. The Anopheles of FIND 6 Culex of 7 Adults the DONE II : Superintendent of . . First . Step 15 ...... 9. 10. How 16 Funds Raise 15 ..... Beginnings. Small . . . . . . . 11. 12. Organisation of Organisation .17 Brigade the Duties and 13 of the Culex .19 Gang 20 . 13. Organisation 14. Destruction 15. Destruction 16. Last Duties and of Gang Anopheles the . of Larv^ 32 ..... of Adults 36 ..... Stages of the 25 Campaign . . . '39 SUMMARY: 17. Summary of Objects 42 18. Summary of Methods 42 19. Motto 43 CONTENTS X MISCELLANEOUS REMARKS : PAGE 20. Where not 21. Where to to Brigades Mosquito start Brigades Mosquito start 43 45 . 22. Other Methods Mosquito-borne Preventing of Diseases 46 .... Comparison 23. A 24. Probable of Methods these Effect 47 Measures Anti-Mosquito of on Disease Mosquito-borne 52 . 25. Sanitary Anarchy 57 .... APPENDIX : History of AT Hong Havana, War the Kong, and Lagos, Sierra Campaigns Mosquitoes. against Staten New Island, Leone .61 . . BOOKS .... York, ... . 97 BRIGADES MOSQUITO THINGS mosquitoes knows, Full habits. their the very (i) Mosquitoes All (3) The of the in hang and When they Their head '^ A number places ; vast genera. but Cuiex breeds brevity, I of use has is mostly the species Cuiex latter word vessel the of number of The myta. fever, bottom and recently the in of Anopheles been divided of in its water, old sense. the into or and these two tiger bites tails Their the water immediately them. species in genera genera, Culex It mosquito. in the in grouped are commonest much the to their of surface and are brindled vessels wall contains exist, in sometimes according they wriggle which g:nats common Culex the on phantiasis ele- C2ixry rarely spotted. are disturbed ; when downwards the float facts. bite the upon wings undisturbed when night, seated are It generally They at found work. Culex* breed drains. or be in water. as They sometimes downwards. larvae to cisterns, will leading stagnant known fever. yellow But gnats. as in commonly water, day species. breed mosquitoes and vessels same live differ, this to few a which often points is added only the are kind list a everyone vessels. in or these on here record to (2) which of larvae species, which many information literature, is necessary ground As " from spring the on LEARNT. Mosquitoes. invariably of are BE about water stagnant mosquitoes in Facts Leading I. in TO and carries daytime. a most Stegoyellow For MOSQUITO 2 (4) The mosquitoes known When they seated angle outwards. fever. at an shallow small the BRIGADES puddles runnels of vessels backward in skating tails found are and like sticks, and movement. The in slow rocks, on flat float with move in and Anopheles on but sometimes, larvae These project mostly ponds, of rain-water streams, malarial carry their in small pools of water. water wall a larvae ground, slow-running of the surface the on on Their of water, margin rarely, in are Anopheles as the on a peculiar bite mostly night. at (5) The become Nor the can (6) Adult climates, and feed men. on resist and As a is now require gnats they reach six and maturity withstand cannot least at thorough eggs. in even can fruit on They (that is, the winged mosquitoes live for months of before insects. winged drying. of all kinds life in water days* seven or larvae hibernate captivity. They frost severe leaves, rule it is a matter or cattle on the only insects)may heat. severe birds, and females in cold They well as which feed as on blood. (7) It many investigators, that house their say within larvae a few where where usually can hundred the house is in its immediate this especially in and drains in the streets (8) Mosquitoes, towns, in its close short a no attack sionally, Occa- backyards, water it from in the almost every or a distance, stagnant may of in house. exceptional, and of cases, mosquitoes is abound the from vicinity,mosquitoes majority own at is isolated, and ; but its found yards distance breeds general experience mosquitoes be greater a the of in great house puddles by. especially Anopheles love ^ thick growth. under- MOSQUITO Further details mentioned time ; but Some 2. the will with of malarial and in whole for towns only anything serious believed that a These tend to contrary others opposed where * In to have by a new a letter and enemy, is to addressed of say, are measures by me numbers their to the to reduction it countless would be never I an in was swarms futile. As exist in countless fancy it would twenty mosquitoes have natural those their such course, taken Government many climatic larvae. if these when succumb done, meant never districts. animals, or again, by mosquito-infected general experience adequates i8th, 1901. other destroy them ; that mankind most bats, birds, spiders,and " which as like insects, enemies in the even was such than more quite ** rough estimate, a be first,because mosquitoes the average on house, every be find to rare make these proposed was in them reduce to to matter. Then, at in exist of fact, however, To felt were the measure regards siderable con- chiefly evidently mosquitoes as insects even swarms. to the would reduction Even doubts measures matter be of with exterminate to the ^When preventing met was settlements. their extent. number, all which certain than more for regarding of fact matter and appreciable that a this by " ridicule, owing proposed was "extermination phrase the it even continents, As impossible. it will Corrected. mosquitoes misconceptions that Pe'ople thought least already facts. first mooted* was popular insects such literature at Misconceptions opposition, various the men exterminating fever 3 in medical most Popular idea found be quite familiar be BRIGADES they a influences It will indeed animals find do themselves formidable in one as special localities against of not, India, them. dated As February MOSQUITO 4 BRIGADES already stated, mosquitoes the spots where them all : conditions popular all completed. are that be all for which determine wish fact, just of all towns duty be be to not a the it will be not given area. free down measures at must insects other mosquitoes in the staff of a these one. for the future must whose persons some trouble- and dangerous all must continuous a do words, staff of sweepers so once opportunity an In clean, possess swarm mosquitoes have from a possess keep the if fresh even single effort, but tropics to of will its streets keeping will they clearlyunderstood that kept all towns as in the in destroying succeed after extermination they within upon, purpose it should outside multiplying to unfavourable we area, immediately for the the if even given a over indefinitely,so from towns that, is error But unfavourable similar create in certain rare means. outside measures continued arrive In the be to naturally are is to mosquitoes from again do to artificial by Another in conditions have we known are pests. General 3. required were First, courses. either could be the in be of enter them the individually every but larval supposing, island would of in breeding of stagnant be would course, that Another attacking places water this can island without. consist their drop from If there end, the two quito, mos- every stage. pertinacity, " island an follow to destroying the that, in the free from possible it Suppose " mosquitoes in sufficient doubt removing Followed. about or equally promising, insects consist set adult with cannot all It would the entirely be to rid of might we done insects method, get in reasonable become the to in mid-ocean. situated no Principles not ; would in which MOSQUITO BRIGADES the they breed, so that,ultimately, 5 insects would die out of themselves. Now in efforts to which is not an locality follow only these same principles ; but we that,since in most non-insular placesthe our need island,we remember must insects can a without,efforts to destroy them from enter rid dividually in- ' will never be permanently successful. On the other hand, if we of free keep the area of operationsentirely shall and must reduce greatlythe we breedingplaces, number effect to of insects,because,even an if few a entry from without,these will multiplywithin obvious, if we the area as they used think of the matter for a no do manage to longerbe able to do. moment, It is quite that one breedingplaceswill give rise to fewer mosquitoes than or 100 If, for 1,000 breeding places would do. contained 1,000 example, a given town breeding places forced to conare we clude producing 100,000 mosquitoesdaily, that the daily production of mosquitoes would be visibly reduced if all these breeding.places to be were obliterated. Any mosquitoeseffecting out an entry from withwould be so few in number, in comparison with the of insects in the town, that they would previousswarms ject scarcelybe observed at all. If we consider the subthen in the lightof these facts, we shall be able the measure to decide upon most likelyto be profitable; and this is evidentlythat of removing all the breeding places. But concurrentlyit will do no harm to attack the insects individually and wherever whenever meet we or two them. It has been of serious to get people difficulty these ideas,simpleas they are. Even when to understand the advisability of removing the breedingplaceshas been a matter BRIGADES MOSQUITO 6 doubts admitted, have that be to impossible. After turn be often So out it is with keep the to the many before been tried, only possible not staff will All project. of but measure remember it is tried projects new extremely have we easy. is to do to constantly employed men upon job. Before the The and of in the wherever this has standing Culex. rain-water from for even of water keeping they left by suitable. We placed under purpose of from the such few roof, and for or there in the find even feet of ants which water bottles in tin-lined after and have the and then gardens, favourite ing breed- cook- of tins sagged, which has tins ; or so of safes meat gutters rain Pots forgotten, are in the as the collecting for water are and cases and long enough. larvae in rainy find neighbourhood sardine packing for employed tables ; or oil tins quantity, and shall we storing of tubs, During in drinking, verandahs, houses rain-water; ounces cisterns servants the gardens numerous like. little a left undisturbed empty ; or a for water excluding little stagnant heap roof, can the flower-pots,empty contain and are in back and rooms Tubs if places broken long enough, the In " generally are exceeds water of larvae Cutex* bottles, and these of most been of tropics, there weather, describe must we houses, especially the most tins, broken meat done, detail. Places pots, gourds, old buckets, and be can in greater Breeding backyards natives this how showing breeding places 4. or have they present sufficient a reader thought by is project new every the Now entertained. been the practicabilityof the to as very water the for rain carry to passed thrown in the contain in ; or on a hollows a corked un- dustof BRIGADES MOSQUITO 8 Places Breeding 5. the Anopheles, somewhat vessels of water, do breed them in all with the sight at These but in ; and Anopheles. malaria-bearing different. not of insects puddles a very kind of little trouble water in found in mostly, those in it is which in not they which suit detect possible to the are But ground. only of mosquito, breed the on but puddles, of variety habits The " larvae will be found. They often not are the lakes, where as where and wind, large rivers ponds ; thrive much Nor, which form such in the dries In which beetles, nor puddles are in badly the so Small much the large as do and they the temporary for care very puddles of rain at they mangrove- do almost ; because once as soon dry to as in soil by depressions the the water green and mould ; and rock. so But water- quickly. in the Such ground, where rains, rock water where or or constantly by bankments em- escapes irrigation channels. or are ground and places out-cropping where larvae of weather-worn in during stables, bathrooms, by too larvae the on minnows up gutters, the or puddles contain to and walls, Africa, Anopheles and found is checked affected indeed shower a shallow as as pools containing surface hand, perish small from oozes pumps, in well-contained parts of marshes India in drains and from larvae frequently drainage nor other small so made constantly ; in ; nor up. not are deep pools during chiefly in found are nor the by them eat ; ground the to torrents such experience my fish of water, the on puddles water the ruffled constantly many deeper on collections are but the in is rushing in in small nor swamps. small there nor ; surface such of water, large bodies water-weed pools on the contained other are on hand, BRIGADES MOSQUITO favourable however shower heavy \\iditAnopheles found in At not be found at the the flat valleys the same creeks of edge ; and of fish. They watercourses The differ and by The of contain the much larvae water, according such disused as in frequently vessels found of water, in the by drying larvae occur of conditions be to in artificial mined deter- collections cess-pits, wells, burrow-pits, such large very laws. garden cisterns,drain-outfalls, and occur local the found sometimes are in exist everywhere seem ing dur- puddles Anopheles to general same number certain small merged sub- in or at rains. which in quiet pools lying left full of water of the rainfall, but a grass little full of weeds, rocks end sometimes the small in very occur situations extent some drainage in the ponds of the at natural to or if these hollows the in soil rules these may in or ; rainfall; and, lastly,may constant numbers in also may larvae rivers ; or rice-fields,even level on partially submerged and of streams morasses seldom are that understood Thus reeds of lakes margins and be it must the abound reason hills. exceptions. amongst swept this for malaria, both ever when- be to be, exposed case, sure are is indeed that all at in this consequently between time without are bays pools, and if it be larvae It otherwise may because, ; lost. hilly ground, and on and rain falls,the and rain-torrents into pool a for them during heavy scouring a larvae quite unsuitable it becomes to for the 9 water-butts as bilge-water They on. so even may ; and are lying idle of boats on shore. Occasionally, especially in undergrowth, or breeding places long of grass, Anopheles the presence it is very at all. of thick difficult Sometimes to jungle, find the numbers of the insects collect middle of the though it is not' such In possible it is cases the insects the last old are rainy generally " human parts where Hill of eminence that eminence, are of hundred few bred in the of houses up the are where numerous air we are not breathe. they spread The In the at uniformly idea that the this pools being obtain to of foot the of it. and indeed habits. in their breed Tower in reason mosquitoes, can in houses numerous the in the though rare, hill in search essentially local It that pools preferred the those numerous. eminence " and just are by natives Leone, Sierra puddles. very yards the houses prevalent surrounded was, they nearest most open are bred home- " to town are small Anopheles wandering to easily. They like a the in animals, most not quitoes mos- are, Stephens short. Anopheles^ like other In do unhealthiest full of a on rather Anopheles food since nearest the most were water-course town. is, or the their most the the and insects situated distance a the drying Barracks, middle bush Culex as The puddles and pools there a that or said to be Freetown, of CHRISTOPHERS by adjoining have fight against houses of this. examples the season conditions select food. Anopheles-\iZMXs\,^di parts dry these the in naturally They several shown in the extent same numerous their obtaining was pools vegetation, scarcely be can the to most breeding pools. most anywhere. lived where towns, Anopheles mosquitoes presents Fortunately large But, though for have beings, larvae breeding copious which ones their the human by chiefly be waged. must are the to season. in that in the encampments or discover to probable owing much obtain houses round bush, evidently attracted overlooked been at BRIGADES MOSQUITO lO and over swarms They feed the most country of them BRIGADES MOSQUITO be can blown into If erroneous. spot spot, in shall we of them which He In stick bowl, because ; with 6. walls, caught of the houses in It is blood which flying out scarcely larvce the by persuading a insects the net net dark corners, in or hats the to that the which acts the numbers the as has a explore every inmate ; and of a in clear day the sitting on the the on especially of with houses, the measure native servant several small mosquito-trap. many find net holes During the way the meal of generally houses to their fresh the in during others This night. part of the a Thus during insects accurate gorged in But natives. by no and pegs, number day gives at a end and hanging occupied is visible proved to necessary During " early morning. by large ponds invisible observed rooms in visited mosquito it is most frequently females mosquito gutters, and gardens fastened Adults. warned remain majority bottom, inside during chiefly in a the where vast especially of Anopheles, present number, night. and be must that wander in the " often almost are roof, stables, and reader one any towns the itself town mug the be the clothing, bathrooms, larvce can under in dark white a Find to at is houses. dark-coloured insects or or the a How winged Such the most that puddles, the in sure searching for Anopheles water the in pools occasionally may be marshes theAnopAelessit words, may street amongst white a insects bred being are breeding other we ditches, the the use In numerous are few a distant from certainly largely reduce without. from the remove though even they we winds by towns n in which may be may often be sleep within day or rents the hope a in night it. the ing of reach- in, but when morning arrives be and killed When people generally they happen the to than refer to be staying i,e,, place, only attracted and Ibadan, This was Lagos, the observer are of impression it a difficult of the matter arrive to actual number of at quitoes mos- anywhere. mosquito-trap a was suggested astonishing with in make estimate correct used casual a really pertinacious two or more which insects, One tale. hum generally swarm fewer al^o present. existing * the thing are think, " even which in They I place a different a ** the of quite which, or give is house locality). or Culex, of teller facts these really any the being All town in the in (which dozen, some often swarm then can swarm insects Moreover, by mosquitoes and out, way mosquitoes the the speaking Anopheles. means that say to generally their find cannot counted.* they a BRIGADES MOSQUITO 12 house where to results no mosquitoes me by by Dr. could Drs. and Annett and Strachan be seen in the Dutton, myself daytime. at THINGS the fight against carried afford It the be health but mm; the the that the commenced to appoint the be accomplished mosquito council. in handsome as the of salary a as in which that best should superintendent town next be orders or consider to pocket. he is layman operations should quite of need be be to are medical a of capable doing be his that met the at ; they because the carry out of country from were malaria, in the ; that they it is created because ground, do letters not to and punish carry rises press, of man ; they that is a gas which as a blue mist yellow his destroyed, the make to at efforts local be that last tendent superin- immorality trees; malaria the alarmed, the cannot wicked opinion. harmless to even mosquitoes and of perhaps wholly and grass that but holes that and of storm a absurdity proving they not by that self-appointed and philanthropical spring destroyed, The astonished, once outset demonstrating intentions at private or obvious; is two persistence, energy, public to explanation. some will finding first the are necessary indifference entire requires that always can own qualities chiefly an The are is a work. The and his energetic an do to himself, with of and on, best can thing this perhaps, officer carried proceed now extraordinary of out is best, we given Having " commandant-general or appoint can can first gazette any Anyone he Superintendent. Fortunately, without DONE. mosquitoes The on. superintendent brigade. BE observations, preliminary how and of Appointment 7. few TO fever, which can be attempt they do rushes over the is due MOSQUITO 14 BRIGADES " the to of the effect do they of these such that and they ; and diseases else someone occasional rather but public interest such pitch a in letter constant It is they reply does in the of work that exasperation of gratuitous permitted are opinions in good a depend to done the in street, finds engineering, them, whole quite equal Medical the masses were would think of exposing Faculty the on a tradicting con- law of matters to be reason, scarcely on ducted con- private great that so inscrutable would be to of papers. news- cause. can nothing engineer himself the of absurdities an or is some he though lawyer a For century. a discoveries converting upon half for man pathological new inertia at campaign in the reference the necessary the they give much without fortunately, because " regarding we large scale a an letter-writers Fortunately, operations against mosquitoes on but ; the the cynical each speak practically to advertisement be to them stimulate by keeping all ignore to contradict not good, and, to vaccinators unpaid possible do small in such contradict to sure cynically,serves stream We on.* where is but yellow fever, so ; that rotting vegetation on beneficiallyas act epistles,because, other, a malaria carry quantities tropical sun or the medical matter. These on the operations require part of the glad enough if he calculate * made fit to sees quietly proceed may I have at least half every a one dozen mosquito for up work in it undisturbed of times these not only statements, in the British we co-operation or householders larvae nothing. the start receiving upon seen their cleaned backyards their Most general public. have to sacrifices no destroyed, and press. much many and fore, reader, there- The are considering, by criticism, as are and may public support others equally absurd, l6 the meet him an BRIGADES MOSQUITO that ; and the Unless likely to The business kind, the will superintendent tive to intends to ask good of his own Next he should in the establishment for a open the should are does not account * for at ask for in find himself within I obtain 3 few a per cent, self-appointed effec- that initial in deposit paragraph personal friends, and he has money, to up be possession to to out 7). the else anyone four figures,as surprised handsome a ; already opened much of if he little days.f interest on all deposits, and transfers to the tropics free of cost. t For thousand our West pounds, African and ' he against mosquitoes town, I should in toes mosqui- managers an that much willing to give. down the them as the his to houses the principal banking mentioned as round go the campaign a anything practical and to once put of ; inform fund, and they fund holders house- as do to the more ; inform town mosquitoes, there, and I advise much (obtained salary'' think can go ; before. as a terms,* and principal business he adopt of And trouble rest experience, He course. thrive to own my will the it department larvae. own take not matter continue From their rid get that they already health efficient in toes. mosqui- reply will ; that mosquitoes to of town a not happen to sure ridding wish destroy better is pretty for and if householders had the kill to certainly will of to of agent an is at present municipality or expensive an that they project any be to work, which this case, government their and for the the be with connection possess praiseworthy project happens superintendent employed government is not the usually brings proposed by conclusion. abrupt very scheme for the expenditure required I have Fund, promises of as much started more as with we between shall two require. and three MOSQUITO The ; of killing larvae for fillingup principle to go economical more I should and day Strict the to be (such been be kept, subscribers, with brief a the ; it is much these trifles. oil, brooms, forthcoming not were has should accounts of cement the if all ing brush- campaign for people surprised least at ; and this in oil for for buy anything to required shovels and pools well-to-do much sufficiency of a Now never ask cement two or is to again spades, in rocks. upon be Anopheles away pools 17 pickaxes, brooms, draining or will thing required next out BRIGADES in a experience). my and should report of submitted be progress, every quarter. The superintendent the justifiedin charging he the is, provided Small xo. the start allow. as for his to their whether he is not I think services. own exceed not shilling a a postage." " This ask does We " the as the salaries at commence now will consist workmen many For fund Beginnings. brigade. and men here amount is debited and week, may of one of the state fund treasury be may head more or to once will freely drawn upon. The with superintendent an the army if the to not Above treasury be too all,take is a But parsimonious, no a thought but that of brigade advice my to for the he one force good working low. is very think not Indeed, corps. superintendent need besides man to at begin with, this spend freely on but morrow, start must go point is, labour. straight ahead. In to the twenty additional tropics labour shillingsa for each is month head generally for man. very each Thus cheap" and man, for a from ten something trifle of ten between pounds, work for deal of At good this work to the A The that do ten great a and work will It is set to it as will speech justifiedin stooping the But money. best This will make work. As soon done. being actually brigade, grow after-dinner an obtain to The immediately be superintendent tricks show great fault. a fashion. dinner public underhand he enough has He openly now permission in the for carrying empty or useful shot-drill draining to will be ; these the a streets. the superintendent ponds, be earth and and very one or useful. of would Without drain to obtained from carts and and other besides implements, men, to possesses skilled the much money better or local excellent the men men. work- such as engineers in there doing employed the and all kinds public gaol prisoners engaged be the things, nice more In are puddles flower-pots gravel Department number men dp, to direction. the more bottles Works be used increase must every Municipal bringing rubble, he as he scruples, to are broken for in carts, government. implements, advice sure these Public and cement need pits and away tins, and The whose All streets. it demand piratical designs, especially upon will fill up to municipality all avow He government. for time same operations abandoned Having must the At should superintendent longer beg his extend force, and the no it. upon for this necessary money, should insist but is not conscience more. are will to set treasury' overflow. the of is obtrusive most A is to way reader month whole a be, should it may wonders. any for the assure can juncture modesty proceeds. work I be may against mosquitoes. small in workmen twenty ; and working men however and ten month one twenty or as BRIGADES MOSQUITO I8 in superin- MOSQUITO tendent was cipher a official present The for it. I show the or work is where decide the will manoeuvres at can be not demand campaign this in manner. themselves do yet done been the and be initial these " and " should this that superintendent and instruct colonial medical organise to waiting for of the favour necessary, proceed once this fight against mosquitoes it has than inaugurate municipality or the on has generally speaking, enterprise public health often more private to he that lives without in detail in to And, said government of interests be to carrying upon done deal by the enthusiasm, official action. upon great a methods he paying willing victim. a provided only where town commenced being But the in depending there and energy without wants be probably it is for anyone, easy necessary useful he highest the on once has he both possesses machiavelian these 19 call at what extort official will how he should He and describe that ; now formidable. become BRIGADES his little army. Several have written are anxious Can obtain My out funds will such to later be expressing me as from is to in the others reference what given on a soon as required Working the raise colony, arm hours or they purpose. business among begin to at is from with- once sure to come experience exactly of it. Brigade." diamond-shaped breast and money and the for Government it knows of the A badge. the services that, though regret government government. Organisation XX. sewn to of begin operations against mosquitoes, they no and forward be to to advice people officers junior pay is a day good Every patch man of red one. should be fixed. should flannel A list of all the should Pay be t"een taught the and The men very should be under be his good The each and be at head either divided once the to the by should honesty, and into Each gang. who man, should head especiallythe gang, should larvae both shown be of Culex intendent super- two gangs, gang should be selected should and much The and be for given time this, nor will to learn easily how also But the distinguish and and duties. to ^ adults. over men find to by instructing regarding their Anopheles the work begin men, how catch distinguish, and matter. kindly it. at Anopheles an superintendent spend have they pay. They to special a completely trustworthy agent. a special intelligence very after men invariably paid should special a is of work India, take and smart by or brigade gang kept. the retain to Africa of himself Culex be the as generous, often are The should work. both Natives, work workers it is advisable and nature, a BRIGADES MOSQUITO 20 it is not necessary deeply go their find, the into work as they proceed. funds Where begin with Culex because and soine premises. should natives of this the a are, and Duties will gang characters malaria as carry object to rule, the to prevalent, is very for of trouble- more the them honesty low-caste people into the In " private all the that ; and person. Gang. Cutex much necessary particularlyrespectable often a it is best gangs easily suppressed. more It is, therefore, very possess be unless gangy mosqliitoes perhaps duties must Culex of two permit not Organisation 12. The the do head men man India, where entering their BRIGADES MOSQUITO yards,he be given In as English the about houses The first broken of the gang will rubbish door; and theft, the heap head a from One or generally more be On cart other is in order old man informs ask to article which natives removed, houses, carts, borrowed drawn from to an may all the the with and the is often master to remove In the in a The heap accusations This is value to all whole heap required. attach the of whether inmates together vast alacrity. placed or private the of cost. similar with lections col- assigned dumping-ground. by horses, mules, the of gourds, and offers prevent of one who, " collect to regards gang, dows win- which as free rise to the enter permission being given, and strewn private premises accepted the must any tins by form, because of trifles. into next, man contains important piled offer collected is then the kinds the be errand, and old and buckets, place. eithier in his this for months, marsh flower-pots, head but ; in servants occupants miles The " of bottles of cases, majority is : old in these any procedure follows all his broken an The to find can of his servants one the they streets. preijiisesis as near the of native the persecute ten prevails immediately bottles, tins, broken the carry in proper mosquito-larvae, giving which and duty like,which such of within exist to to agents proper remains their" presence attribute happen or Rain-water mosquitoes, the by kept is Europeans, of left are thousands of the course, houses meat-tins of should man duty, carelessness utmost the in arid contains in the everywhere. numbers and name regularly by is removed Even bottles, and Each caste. of all kinds rubbish towns, tropics respect. good of man credential. a dust-bins, and in a specifying his card a him with be must 21 municipality. or oxen, can MOSQUITO 22 The order to time save effectually used most otherwise pits; should dumping-grounds possible, in be BRIGADES it must be situated in transit. in fillingup be discharged as rubbish The and ponds the at as near can burrow- municipal dumping-ground. Dr. Taylor Logan and myself found, that our work in Sierra Leone, one large mule-cart fully employed, it clear can vessels fiftyhouses daily The head cleared his by of the houses but alone for the his entry, he the by crowds education even a; few paper, for a larvae found, and in many he and few in remaining upon If, however, bottle of should in the full then vessel the ground, the water they of ask in which they the vessel for he will find be under to they will is the to of young advanced he leave In stored water so water, them where in address the are Europeans) half the house attention generally sceptics to keep He call (which, will people, that of these that believed classes a tell the days. is not the certain larvae explain to where perform. to pots of or times, some- one. duties should He larvae. among among the occupants, If mosquitoes. record tubs endeavour larvae,and leave several Culex of simply will find he inmates If, as house other has man all the a next houses of cartloads ladies. to the of broken number comes to on average all the polite to to the on of the should keep can five houses. older careful go cartloads also head house use he rarely,happens, reference), and But of the especially to " ten account an also that of result men and every extremely (being, however, future every be must forbids owner and gang, He removed. keep must man for of six gang remove cartload one " and a the as were the is case " should place bunged with observation pour out the originally speedily perish. required by the BRIGADES MOSQUITO 24 It ; but The and appreciated that observed the within day of the in order in ; and find leave it where else- water do they gone allowed is water stagnant is removed insects to once speedily frequently water adult the be I have stagnant probably eggs will pubHc. house the 4, house. the measures all the a " their unless by as two or lay to return, soon as precincts a these of yard back- paragraph in within actually in the water stagnant mentioned as effect good noted from found of pot a sometimes, will be larvae be generally will not accumulate to again. So far I as of these about sundries, such a year boon a " the as town a mixed, natives permanently men, houses at men ;^I50 a active five thousand keep few and Europeans trained, and for estimate can ;^i of free month a small very the a dozen Culex, banishment indeed Culex of intelligent, The ought to salaries the oil, ought sum sisting tropics, con- employed, each, and kerosene as in to pay from so of cost a exceed to not of such for large an area. I have said of the members round come in that householder a brigade ought ; but time possibilityof employing their annoy regulations Havana person the on breeds superintendent from the point would and law. to a his own will of the against people who Municipal quite justifiable; But methods, mosquito He question Americans mosquitoes. of British of be admit to alone. the raises legal measures straight-thinking experience persuasion left be to refuses neighbours by breeding mosquitoes. the who this who from a I would brigade energies quickly than very advise to to trust any and in fine a able considera British rather assistance to MOSQUITO Organisation 13- Gang. in The " the well and shovel. The navvies methods of In almost working also broken marshes then In often climates take long a places of source a these, in puddles it is the exception and but nothing middle for ditches at afford result the highly is that India and large for the Where a in the find gutters with small in from and water, In temperate warm they ones houses by ; and the of the of for ditches the ditches the water have rubble cannot are they often rule and the badly very both much often sufficed, we rude a as common have the in only by road-making, are with generally are drained towns towns streets with principal errors, would In such streets dressed small numerous well-macadamised Tropical roadside gutter courses, water- ooze surrounding traffic, but Africa, is that small by again. ; but engineers amount wells, or public streets. pathways, trained which from sometimes lakes up roundings, sur- road-making; and fill up the to the and suburbs ill-kepttropical towns, margins. these dry to with malaria-bearing mosquito. wheeled One constructed. the to broad of harmless are stone the time form stagnant pavements the even these danger breeding Anopheles, Besides and margins rainy weather such become the by of overseer acquainted building gutters, ponds, formed soil. for and pick the cisterns, gravel-pits,disused ditches, old the taken of burrow-pits numerous formerly was of surface concrete. especially in are the on trained a is also and principally consist use be if he cement all towns, there earth useful be Anopheles be, if possible, road- the to should man the of water should men accustomed head it will ; the of will gang collections Hence 25 Duties this of all small ground. makers^ and duties removing BRIGADES to too carry often in off. find a 26 huge trench of larger the cost which results streets all, but at of there have and cost, often are the seen moreover, level producing of the without disposal of particularly,out-crops is not only by natural water The such be is the defects asked on and maps ready. The cost pounds for every for another reply Ihat or .there : " The of measurements) few approval year scheme would two are to probably spent no The acres. the surface ing supervision regard; and, rock, which ** contains the surface- surface engineer drainage a the work scheme thousand at in funds for the be would a would superior government, would pounds scheme out with deal would local year's surveying (with a principal causes municipalities following a fall,and stone. most prepare After town. spent to I gutters, private premises " at ; and to weather-worn itself,but ridges of in which way of rock repair the to of from storm-water full of hollows Other want Leone, Many deference due neglect and very Sierra elsewhere. the sands thou- breeding water in in stagnant nearly stagnant are ; carelessness and of cost drain not solid end. to pools stagnant roads the end from do strings of cut any may municipality; the thing same made are almost full of always reason the Freetown, in money place, the houses of the trenches old the frequently Thus numerous to of first constitute merely Anopheles, are great ditchiCs in front puddles running the is ruinous streets place, the second In its greater amount Whatever fingers. disastrous. are the larger the the the ; and its cost the that is probably anomaly The section. in yard or greater certain to draining*' the is the municipality, sticks be, the foot square frequent ditch the to a this for reason " BRIGADES MOSQUITO thousand be mitted sub- which, after considering it carefully,would available. BRIGADES MOSQUITO I do the of the large majority temporarily to the set months. A have work in order methods the the of water Thus, money. should first of it because simply is necessary they will water in few better be been tried a doned abanand himself assure already mentioned, conditions habitually unsuited money without larvae. in and, often contain On larva* negative, of water, revisiting Freetown in exactly the remained permanent and breed while same negative. than would mosquitoes. after two pools, The be larvae such as years' however most thought advisable to which do marshes small or I ; while was other year attack contain after do ; siderable con- some ponds, they struck by finding pools previously insignificant puddles seemed possible, and be spend others in occur absence, do than for to appear to larvae more many though It is useless pools too when, seasons, it is not As are and, pools some the even experience, my yet Again, large,others certain at larvae.* the to discrimination Some up, these. over bodies * change contain them. scouring; to water actually contains too are subject are large pools dry instance, much pools of amount superintendent it does constantly remove stagnant The water. will least drain to that it some others small, and for the guided first those of which mosquitoes tendent superinbe Attack principle : it is stagnant the should He quite useless is results best obliteration larvae, and, better, that rain and pick and least at method. with the number largest these the following important collections more had have obtain to proceed must the stagnant scheme drainage simpler It gravel. the obliterated, the straight away, of most of be of two or is that fact failed. But by out formal until loads at gang clear probably basket few a each can stroke a The procedure. puddles least, by at shovel, and only this recommend not 27 year to be fill up much with MOSQUITO 28 it much generally are must marsh exists the in principal find that The so of the with Small of to the Where through by six inches does rubble stamped cut in should channels formed in square water in filled with of the means is section not good soft earth. for or of not flat surfaces rubble, gravel, or by outcrops in earth. rock, the latter on fall. this must be A channel roads most Turf the of banks. Pools soil should When they cut a of the course be or such of soft must so and edges the sequence con- calibre above. the in cutting drain from simply pools jumper. to Vegetation first. been by rock, binding cleared, but depressions have fillingand or which measures full of enough down come are be pickaxe guided useful. be of uniform caused are be maxim, simplest alternate sible impos- method the must the only become channel a obstructions cut channel into The : have silting,require converted be where soil,and soft in out more character it is regarding ditches, which Wayside " rainfall,that however, may, is the ground, superintendent of work advice Pools, of the remembering kinds most to general dug The the often may street or breeding pools depend directions minute them. the of the amount judgment, own applies Some the only away. of nature the in a study must larvae; and pool mile it is the He Anopheles a superintendent that malaria. configuration give very dealing by his as and soil,and to of marsh a the on iox over suppose, because never unobserved number much the search than dangerous of small a must sums puddles, easily The neighbourhood, cause point by careful he " small mischief. more nothing suppose when Now, pools. large spend to of water, with, really cause dealt in small numerous economy bodies draining large the more bad evidently is BRIGADES are be tained con- through MOSQUITO and the pools filled that remember of water puddles and bottom rubble. of water away in the bed of mixed with the rims surfaces can channels of margin generally be smaller the surface where the their do not free Where banks like from in which Ponds, be by rubbish cannot be and of any ponds houses Disused Wells, if up It Owners about places; such ought to larvae be is of in them. filled from they hide. to of Larvae on rubbish and municipal matter. lected col- 12). vegetation give great it is even should the the soon These " often case how with can vegetation (paragraph Tanks. premises in which up gang cleared approached exist filled Pits, and or of silt. be up the away astonishing Culex by the free collected filled love with dealt kept the on depth, especially when be can possible; regularly. larvae other or should or ting cut- crow's-foot be These " by sand) by ground can should of two small streams, the water open from no Boggy they vegetation. large pits filled better. spoilt for larvae, by clearing be on by the at filled up flat fields on with found released released possible by earth, houses. often lying drains and often be they current a those be to if large stones as to cement tanks, and Deeper Pools^ Pits, up with or must earth soft rocks, require can Water Made similarly. they We surface their up of Portland or brick, by running in the hollows streams, of ; ponds, pipes. either ; of rock. the " in subsoil require fillingin drying stones stone, formed in the It is seldom formal by breaking or courses (one part concrete rubble. spoilt for larvae, even be can Pools Pools gravel. lay to or 29 or make to through them, stones gravel cases entirely drained not and with surface-drains, cement are such in necessary BRIGADES be oiled trouble ties authori- ever, Often, how- Used Wells these be always can small up. the banks, of the and rainy a These " work this can be Lagos. It prisoners task, at as much will be done deepening the good and by lake, the dressing this looks in reality. A do wonders in thing is to set however eradicate to end drained; or by government. the the most rank A it. work the at in vegetation, it small into a Anopheles and draining by in the as cases of 'margin proximate marsh the on converting draining not formidable very few very the make perfection, the at dry season, as It is not so in America. done All to training" filled that and effective by oiling or swamp, is often marsh ground boggy " usefully employed by clearing do generally can gang lifted. they begin broom undertaken probable or sluggish be rocks, the of most by fillingit up as of larvae, may when gradually be is at things required. be to banks the in use must ought with done as " harbour cannot pools the are Wells cover should mosquitoes generous season Marshes. Gaol the the larvae, and of Cementing dry bucket on grass rains prolificsources become to in the which Torrents, the for had places. shelter sometimes streams the and Sedges be must recourse mosquito-proof a other and Gambia, " by ^When " periodical oiling. to grating gauze Streams. but protected wire Bathurst, is rare, and clearing vegetation to Pools. Drinking j larvae, which contain and Pits Washing ^ a BRIGADES MOSQUITO 30 to work small malaria of a beginning: a measure with from be. a few months. not to force A day after but ends, there town. will great counsels is single private whole day The form with means whatever it may paper. working men course on In of simply available, citizen an can enter- MOSQUITO 32 cal towns, surface up its face and natives wells The such doings. It is very the of incompetent made filled up. that the breeding places of rank quantity in the middle vegetation. is and proof a should Efforts See places. not can- of towns, full of weeds areas set to clothes, washing management. such up for be such municipal directly due is local Young's least of their possible of be in Paper is often far paying officers high that that who will quieter means the radical a citizens Leading principal home large towns condition 14. to larvae. to We months, cannot may be obtain the be allowed which, as a leaving the over to pools write to matters. made themselves by to It is monsti^ous in the in places the It is if they write argued destroy but supervising ing disgust- fact, they often merely itation san- done, in these remain of to ness tidi- for reports. attention ^As " and improvements breeding time continue for made matter of Larvx. much value subject. should the work and get on obliterate spend market change papers the tropical tendency available money salaries generally Destruction it is better than in the a cleanliness getting on their draw show in part of the the on the to of the not than more who" time attention spent, prevalent nearly always Much towns. sickness mismanagement to These authorities. the pay of the large proportion towns for allow ought pipe water-supply, a may a ing bank- and Appendix. A in to ill-kempt clear to the to wrong presence owing holes government cisterns happen found digging With washing-pits It will sometimes of local constructed and easily be fond very drains. against specially most are BRIGADES of are. paragraph 3 mosquitoes destroying the with oil alone, and yet larvae MOSQUITO find that adult after insects the living in indeed of area, long, thoroughly, will destruction end but the and in result the the end breeding places will do with harm no which " of their course washing, and destruction of the Numerous " such poisons or if will chemical with those which better most in the of be effective of them be for the those just for drinking, use it is often ferred re- impossible fall back must have of the to larvae. to upon always pools not away required, against larvae become once. unless dangerous, chemical introduced which be and efforts find the living same poisoned are had, therefore, Moreover, concentrated inasmuch ; their often can larvae; eat It is much which and do that we them. Waters at be it is evident with suggested Fish, tadpoles, animals other cannot been of many fish, and successful, since poisons. drained in met in the employed as it are workmen such destruction inimical same are they the of water introduced, are ing obliterat- is in progress, men places, beetles, and always not larvae are they ; larvae. but, unfortunately, they even by by special introduction of made) permanently, more superintendent substances kinds some either some means the as nately (unfortu- area wherever larvae collections the if the mosquitoes thoroughly work other irrigation purposes, all, and at in namely, to, or velop. de- themselves. done work, Indeed purpose. drain be can larvae economically, by more destroy to been the considerable a that obtained the while Nevertheless, over in never be can out fresh by certain, that not reduced has probably that persistently, the and vastly experiment same carried be by being the if laid are eggs houses, and probable, work 33 fresh operation every It is BRIGADES few ; as poisons and children then and MOSQUITO 34 suffer cattle may wished to find from ideal an be which dissolves some well-meant our solid should BRIGADES or solution, destroys larvae without of surface the What animals. higher whole a It is very have we larvae, such kill have that possible proved On the Any those larvae both (paraffinor kerosene A crude effective. Strachan mechanical, The whole oil The a * as regards differ rapidity with which soluble Agra, British informs Medical Journal^ is very that that vol. be an well. the hour. regards these refrain from superintendent oils in film the local spreads depends in the mostly over for I the the lyptus euca- equally as cheapest 1901, oil to much oil commonly lasts which of tubes. lamp spreads constituent me surface most serve the to up refined which name; the have recommend price) by these the on seems so for himself slightly of oil chemicals furnace fancy, and water, ones blast film a of best examine market. Hankin, also the specifying should the samples points (and upon of surface Different produce must I but are action oils would, many so. tunately unfor- breathing and Battye* the since oil, and, or Casagrandi and film creosote and keep simply by Many their petroleum called could we larvacide best choking product waste injuring exists, but it. thin a weak practical work. the oil),and in of It cheap, in six months Celli in forms by is larvae {see Bibliography); oil which Rock-oils, used. which on disappointing destroys water from substance a whole, oil remains present. be if yet discovered experimented hitherto when it, once over such not as which, free town scattering a cheap powder which it would long larvae. mosquito being capable boon a I have powder and slowly, very for poison substance zeal. the addition II., page 929. oil. of Mr. amyl BRIGADES MOSQUITO ajcohol greatly expedites is very necessary the between film of the its depends a the more while refined quickly, spread spreads quickly lethal by ; blast I and me, oils are, we called it is desired or drinking The poured is mode of a kill the similar scarcely worth sense chief thing larvae, and should find can to out hours larvae after just as such use merely to It is not an are ** of the make and flavour. Oil well when as the it by water stick. a to them manner which as ; but man any to of oil has as been they Thekill the- as if it a pool! looks returning on happy writers for himself. a film by here, " oil in unusual, of cisterns importance. as referred a the of fine kerosene or over wrinkles application numerous of spread discussing is to kill them. end details while do not the to wells ''painted" or when in which water disagreeable a crude pollution in is often not ones. but use; Thus, larvae tried crude water, to without imparting does The refined other or is also samples is waste indicated. application tied rag the best be very well, and of the ; creosote to samples. the are ally gener- kerosene, as seem lasts treated larvae are slowly often in of it is the oils not and for weeks Crude than drinking without water Numerous some with sprinkled violently, means of be such does cheaper film oil will eucalyptus petroleum sooner. and tion dura- of oil used last it its way The may experience destroy evaporating water, which for other to deal to crude spreads much durable to Heavy long, but answer water a amount one from speak the making are oil cannot Where oils lasts of course, the evaporate and makes which lamp-petroleums, but furnace lethal. very film, but slow film ; and of water-weeds. upon rapidity of evaporation. makes film a leaves and of the formation obtain to stalks the 35 to made, were to find before. I last to come larvae when " out out the puddles After the the on all,the broom hands shower of into rain, innumerable and available man dashed and in After the the chance some employed, of muslin 15. have the to water return. been here and Every the and inhabitants, the into swollen generation wiped out nets the of water have the adult lay properly drained, there that their eggs drainage catch to as " of Adults. observed to has neither gauze Destruction I presume find town possible be wire house, whole required where it may often a the on for removing of water. cases or collections of of the area collections In delicate for work. will still be broom its seething weapon, soil,or swept " remain broom. primeval with heated watercourses hours' few a the on the of up brightly, and normally triumph isolated breaking out lie weapon an are comes mosquitoes, puddle, every sun this deadly rains small broom. a After gang. them for ; with most would with is armed out of the comes of contents the which legions breed then gutters when ; the perish empty earth out continuous puddles, ground, are Anopheles when or them them quickly of water, perhaps is the of single showers weeks brush destroying by emptying absorbent on of way they vessels or ground, is where " For gravel patch a that and ground dry cheapest and best raining). it is on the practicable; upon (unless in BRIGADES MOSQUITO 36 As " fact in very living wander or to can by in wells. in after soon from the away drink, and be means already mentioned, removed insects larvae example that been they for the oil nor the all vicinity appear. dis- rooms elsewhere then I to forget BRIGADES MOSQUITO rank Removing down close trees '* well-kept Towns (in the tropics)houses of full gardens in the long I do that think of number exist In dealing is to done adults the taken time better in some yellow mosquitoes, many of insects walls ; or bottles insects be can be can them over it may easily killed when in windows and first burning ate moder- a that, if may thing b^ to Attempts to kill thej generally be. in houses be safely germs are is that nets, seated. of But insecticide some or closing that assumed diseases. they as destroy to of these by hand with infected necessary butterfly they frequently adopted most the contain caught hand, larvae. notably because other shows will attempts the rank profitable, because malaria, it becomes adult The such like. vegetation. then, the rule, be however, or the a attacking cases, fever as fertile bush, to I and mosquitoes breeding-grounds. making in spent In not, the objection much to open, the and experience mosquitoes the will and ; proximity with remove On carefully excluded, are in even trees an by little as possible. is much there in surrounded contain as grass large breeding-waters not should tropics the distance; a irrigation pools, cisterns, vegetation, and not at pots flower- towards situated trees cutting away assist to be to with compound,*' dislike always often seem houses prefer I result. same taking and windows, verandahs, the from the house, the round vegetation to 37 sit on the by placing the the method and doors substance in the house. Numerous the destruction in conservatories, gardeners insecticides patent and of green-fly and and chemists. can When are other usually these in common use for pests by fumigation be are obtained not from locally pro- 38 curable, The we MOSQUITO BRIGADES burn sulphur, tobacco, may sulphur is put water, and damp, brown paper lighted. The and they the window-sills mosquitoes be the of they in bath a from mosquitoes to whether see not by given attire whole to cap-a-pie with generals when armies example their on the on tropics at Celli*s (Eyre's translation),pages 203, and sat is have them down them to in the attempt to of means hands march in mosquitoes veils ; and to read we in the the are same the their round the in a photographs see green of custom a by We hunt to particularly fact, mosquitoes According 312. much previous practical sage heroic tropics. least, mosquitoes Malaria 310, have This caparison to and time no hopeless by light.* tively effec- published, who of be against discover it is forth frequently insects. who cannot matter a going is that, in the for as gloves to that any writers tions opera- measures were attracting attracted armed thick and I advise 1898 these therefore general Thus persons. philosophers See the houses mosquitoes. when of other repelled and of Italian bright light,because, * of coarse, obtained natives cannot by people certain facts Gampagna, of habits destroy mosquitoes fact be such subject without the on with imagining advice to of and written of the knowledge hats standing killingthe winged in been books of tin examined houses researches has works be must contemplated, are my nonsense case shreds experiment short, where In wasted Since the has the glass windows, closed. make large a quite impossible, because no money After majority are possess in with of basin a really dead. are In mixed pyrethrum burnt. the on is put in pot, placed strong a lighted. Tobacco chemists, and found in pyrethrum. or The rarely bite New Researches MOSQUITO 40 adequate by law, powers the representation to if especially I said As the After of the the and estimated As One thing be can be Anopheles the will of the municipal engineer officer. Finally, it business will should Culex just allow be more. If and quiet opposition. make that, begun, once local ning; begin- a intelligence town under the paid public for to happy dozen it is only difficult of to of affairs. ought more keep to make to required men to rainfall, the drainage system employed. upon certain it in drainage system no : repair. the become ; and it should be supervision hoped that hands of that the the by voluntary say This tenance main- permanent directed of the whole last if possible the a services constant end, have straightened state men bulk the the be the necessary require the the is to be depend as however, still the its gutters this keep to into recommend, gang to fall and completed, will a the not will, in gang the the number will of gang gang work of is to the but ; the This which made 12, accepted maintenance a Culex perfection may the do been it up, regarding the soil, and has paragraph Anopheles, exclude the more unless maintain to free of estimate an As nature removed, filled men in houses S,ooD tins pits enough required. par. and pots vocated ad- remove to a dropped, original work the old employ of below much such is of not are government soon great thing be likely to is very out, work to Friendly generally suffice, value it up will papers will measures and take to created. be sense begin before, the and it is not seldom the influential to be costly refractory, petitions remains letters that and will see will municipality it to indeed were powers such begin citizens and sweeping and " BRIGADES health of the official. I permanent contributions in the by matter. " MOSQUITO who Those than more Britain, of passers by. within will most find myriads backyards civilized in has in up ; and Lagos and the in in noting Havana city prohibiting order have of to and to now ones. Sierra Leone already taken ; it consolation has mayor standing unless limits, city the " time hard as it is the even that keeping the English in has ally gradu- streets as in campaign we report the the within tropics, government official an the the in windows of out begun latter the in only just be bred drains sewage Similarly, it will being towns poured enterprise but when arrive mosquitoes slops being Private an of control. the on has and of civilized windows of enterprise, municipal assuredly the of mode in employment by private usual the much not householders out The tion consumma- that since by them pleasant a remember passed adopted empty come find has to inaugurated was of slops, was should century a of disposal head reached 41 such of despair may beiYig ever BRIGADES issued water made where any- mosquito proof."* If and have I by means kind of is the best * Report Governor, way only enterprise I because beginning it ; leads, public enterprise of Statistics of Sir encouragement. Vital Charles King Harman, in space private it is of much so which warfare, enterprise and spent Havana, has discussing the begin this can and given will and must May where that In 1901. us every novel that convinced am ways this private follow. Sierra possible Leone, the assistance MOSQUITO 42 BRIGADES SUMMARY, of 17. Summary (i).We any to deal in its suburbs, (2).We do much town. aim only do aim at (4). We in the think not dealing in which town of every rid number mosquito of the insects as (i). We with otherwise or town. possible. as many from town which miles preventing Methods work at just may away. the insects breeding : " whatever with once means we together. operate (3).We clear the tubs how people to outwards. centre a backyards, and in them larvae show from houses, empty gauze. drain to mosquitoes of (2). We and as the ourselves start scrape (4). We possible in the with into Summary rubbish; it itself. town destroy in mosquitoes in the get the exclude blown content i8. them to reducing at cannot possibly be We with propose breeding place every We exterminate possible. as treat not in this (3).We wire only propose We " to propose livey and even can not : continent. entire We we do Objects cisterns by how protect tubs gardens containing of larvae, all or of oil. means to and do and these things cisterns by for selves, them- means of BRIGADES MOSQUITO (5). When deal to have we with, (6). We fill up wells, and cleared clear we drain or puddles we as many them over houses as again. pools, ditches, especially those " mine deter- we and again all the away can 43 which old contain larvae. most (7). Such pools cleared and deepened (8). Streams and be cannot as of weeds, water if filled up they contain which courses drained or are larvae. larvae possess are "trained." (9). Where periodically or by other we with and of gang destroy the larvae we them by brushing oil,or endeavour to men interest to educate the for purpose the our into town free absolutely gardens else with out brooms, means. (10). We work, nothing do can of of neighbours maintaining the keeping stagnant, in the special a and streets mosquito-bearing water. Motto. 19. will shortly namely Our " should motto the become first be law of Water. Stagnant REMARKS. MISCELLANEOUS make Where general some of less the because he has to remarks be to than moment reader Mosquito start left them first learnt proposed to not I have are tropical sanitation, " No 20. I think which one will not exactly done. concerning the last, not those be the scope matters of because the already able I Brigades." dealt now ance. importmatters with, but to consider them and nature of the until work MOSQUITO 44 In first the localities certain commence a mainly The are of labour to at drainage for example farm, situated forest. In windows in the such and cisterns and isolated houses be direct to pay leave also Towns and small present, and them. unless than one forward (4). to be be waste permanent of time that and towns we Travellers is and will will in most provide the money Unless the scarcely no one will be no one generally their present, are be marked more to the it is Europeans there shall at drain the to of the even there villages to is to breeding gangs observe labour cheaper of course, Unless can " or mosquito-nettings. place we much a Camps. to under place second fear there civilisation comes in the first take tropical screens from premises, " in the I native much gauze Villages, house; be larvae sleep of the cost of dense time, Culex to the plenty unprofitable or villages,mosquito ; because and wire where railway station, a same back and ; them, for the be The of generally the prevent in in towns possible to to tubs (3).Native present At doors. always possible value building by field. have we generally of marshes it will tions, habita- dry country, a rest-house, midst cases whole the protect are expense of the beasts houses. the exceed the far from unless or isolated travellers' a in it will round often may of the breeding pools, drain to attempt to go country Except " command, our cannot open comfort Houses, few very We " of tracts for the (2). Isolated 'these " Open Country. merely are profitable to enemies, winged our be scarcely there : draining large there it will against war that understand must we in which follows as (i). of place, BRIGADES or have fate to for the advance unless of some required. camp is intended abundant, it will surrounding area. generally MOSQUITO Where 21. is abundant, labour and Mines, these Considering just great when as when as the it house; in Hence we the for relative so points active measures Lastly, it will of of the year. In to to ground into first only protect a case one thousand. rule: general be house one protect the greater The " the consideration locality,the sity neces- the are of industrial presence soldiers, railway centres, suffer severely more from malaria therefore and usually do, demand against mosquitoes. generally mosquitoes deciding campaign order The may the in it agc^inst candle. contains But governments, adults more the country of following taken men native which campaign a mile that observe mile order in of the White get rid bers. num- the in the be to than to in any is worth square case importance on. men against mosquitoes. institutions, and game incurred at start density of the population measures Other shall thousand. a second arrive to square that be will the greater a contains expense white Towns, the draining live men principles, we wherever of white advisable be generally expense labour and where Farms and few are live. men where Especially Large mosquitoes pools is abundant. (3). All Settlements will Brigades. the white where (2). Plantations, live where Houses and 45 Mosquito start to (1). Isolated BRIGADES is be in a much the for a advisability against mosquitoes, easy and dry locality than water-logged upon more we must cheap in considerable of in one part inaugurating be guided by a the following principles: " (i). The effortshould always be made in every town of MOSQUITO 46 importance, if count can we in with will do (2). In isolated good small there are are few and are available, better conditions other I must Finally, the in smallest and exist not the pools sufficient be do conditions. where where can started it funds at once. often may be against Mosquito-borne this ; and it is my where if in number, Diseases. only enough Three " namely, In all,the The same. which from * We be to are blood,* and patient by this by really due a inference the to no on only in the worst place ceeding suc- in the reduced the be carried job. by fever, and mosquito small exist case titled en- Mosquito-Borae of quitoes, mos- yellow acts is the parasiticorganisms which, when mosquito, quately ade- not greatly is spent known in which manner is Preventing are but are " ex- actually now very elephantiasis, malarial live in the know of the of the one there money diseases diseases a that cannot Methods Other is experiment mosquitoes Until failed, we in it is impossible anywhere perfunctorily, Indeed, opinion that mosquitoes has and idea locality. not " idea. the places, Freetown, 22. tried " entertain to of number water-logged been the against persistently and sucked the local men, and measures the most has periment fever. because people. by brigade protest reduce to world even (paragraph 22). disease even of guided with, mosquito adopt to and area, number white easily dealt these Where be numerous a insects, villages,plantations, mines, must we the completely; populated large a towns, houses, Where them to because difficulties ; greatly reducing on densely a the great exterminate dealing effort least at cannot we how matter no BRIGADES the in the blood insect yellow fever. Is for of like something ought The to one diseases rich and will due annoyance poor, guard them the condition (4)that ; by private even apathy of the to appreciable any it the healthy, themselves of doors wire-gauze house, a the The Europeans. net from costs house, even five to about of use a not pounds per the population, not afford be such compelled not be when at to (4) that in their they least much be own visit who houses less of by many people the those scrupulously will careful be apt neighbors to ; ployment em- and for mosquitofit to whole a would the cost constant India, the under bulk vast of tropics, could people measures, the a m in the quito-nets mos- punkahs screens (2)that as of windows ; and town for the use while even put mosquitoes of use more ; any adopt these the the or operations. (i) that obtained, annum in even the wire-gauze or be secure, all are luxuries; (3) that, attempted them; bites pounds, of the shillings; with one, prejudices will not more to possible twenty could punkah twelve about to small ten be to disadvantages ten a if municipality, scrupulous screens and necessitate wholesome the (supposing demands alone) constant of mosquitoes^ both bites during sleep, and, of the moreover, account on the left are who, the and of regardless expense against and by tary its sani- to it will effected householders, Protection (3) that of area mosquito-borne from clean persons, the addition generally be can in people insects; a all from (2) that, in num an- it will protect living within it will preserve to (i) that are and being kept town sick measure simultaneously; advantages, per expenses. of the advantages operations, the these house shillingsper two or cover all persons, or BRIGADES MOSQUITO 48 legally cannot latter will who avoid become (5) that simply afford can mosquitoinfected nets and MOSQUITO will screens will be certainly be frequently disputes constant which to as shall supply nets check and screens recommended in parasites they j"atients,and healthy of taken regularly medical disease within all the patients for given that adults arie be force to and we * In seldom the 1 1 to "^pQ spend provide to Since himself. tenants will am a not be a wire houses found informed year. 4 Hence screens. are willing that on penny in rent their generally to incur Lagos the the their taken houses the it is impossible (5) destroy filariae; rich will will the in people quinine. from and tenant by (quinine) law refuse or property, providing itself of fever the of say, prophylactic drug, any nine-tenths Europeans treat of the many cost the of, town British take yellow to drug absolutely cure tropics, most to care induced would the Under to that sure colony does Quinine (4) people be may British any great. f very and necessary and are under out children the quinine stamp a month natives, generally not have to or who do this quarter, cost. animal ; is not months (3) In Freetown, time same of to be area. staff medical order half the in as the four from advantage treatment or even infect turn double doses it would of the infected at large three area, within the disease (2) In inhabitants, where requisite so one Anopheles^ their in (i) The least at infected, are the is become has the advice. a tenant destruction the not unless 30,000 would do drawbacks, skilled the longer method successful be likely to there which malaria that so ; no preventing many and breezes tke namely, This and it has cooling consequently persons. curing but KocH, in. swarms, exist house-owner controlling by quinine man (6)that ; mosquito-screens ;* (7) that the for by left open between the 49 climates. method Another if hot in very necessary BRIGADES quinine bill alone will amount be for few MOSQUITO 50 hence this three the BRIGADES would method Segregation of Europeans The diseases. Indian they is stations live is will protect other for business be fail to far the only of that will known for partial and They the of authorities without prejudices of the these very generally think * that In West believes I am Africa acquired by Europeans to right it is in the other saying that probable that many houses natives. of by probably the fatal be has malaria in the stre more long defect : undertaken run. while by wishes, convictions, methods at of Verbum quinine, until the present, the worst sat or Now in and public disease. cause the depend must to for in towns; methods resorted mosquitoes in presents Mosquito-nets, generally least, the large scale a almost the that scarcely practicable expensive reference be found other can quantities. will not segregation The mosquitoes the shall drainage against one public, into difficult at is, indeed, on more moreover, extirpation upon much then very which measure disease of it ; going large towns, It generations. probably possess, carefully we for effect good be cost ; and from often ultimately be large a measure. is the reducing mosquito-borne been this advantages. and, in fact, the refrain that necessitate segregated are remarks mosquitoes which at It will adopt these greatest one town.* convinced extirpation who fact cantonments. cases many settlements absolutely to men in in most the to all regards British in separate will persons the study we the persons parts of If fresh of only if such only natives mended, recom- as the due largely measure one enjoyed by segregation construction last excellent probably the the is an health from apart Unfortunately the evidently good of out one diseases. mosquito-borne and against only protect I spite of infections sapienti. are BRIGADES MOSQUITO the insects, colonies not fiwtper not believe complete even that educated, and will prefer to us take that for perhaps the world in the the the conversion in on which ** risk The subject.* pathology, be to well thousands leads the taking for of trouble," cranks No large scale, a public; must not out it quito-borne mos- wait for general adopt without executed of against clear to must covery, dis- people still write we we remember civilised wish ; if we Let JenNer's after century a of years. scores vaccination, and of it, while be can ** to so-called the of the of the day. which measures the than disease natives, probably themselves imagine tropical our prevails regarding case tenth of the for of diseases, probably a in general personal prophylaxis against any disbelieve press heard who more now, As the given against Europeans thing. ever taking ** example even been peculiar apathy surely prevent mosquito-borne such which people of even has ignorance among people cent, in any mille ontper have proofs that overwhelming 51 deference to private opinions. Of where course ^ble (paragraphs in isolated railway stations, under areas as measures It is not Such above at least such can to is my be dilate in West specially as of so regards on companies, on, undertaken experience other pitals, barracks, hos- as and further profitr rest-houses, while control mines, on be travellers' as the under areas necessary * such control, large plantations, given will planters' houses; and gaols, or fallback must window-screens buildings, be likely to not are 21), we government and such and 20 Wire-gauze measures. useful operations all the ously. simultane- these Africa. points. MOSQUITO 52 intelligent reader The will they do, then, doubly and trebly after permit, should we the be possible that employ to nets, and mosquitoes Probable single illness followed immediately are and we in the extirpate not of Some very not Italy. disappear or in with given the practice been chiefly used called upon to deal above with ; but such a less have of some and been and writers and clude, ex- insects; vigorous. Measures from the that town this advocated has In forget that a sequent sub- disease soon as by on of consists tropical sanitation. civilised always immunity given ; account other fever there adopted no will many expect may mosquitoes schemes familiar more we have quinine are the by Hence attacks. * but Yellow to way operations against of Anti-Mosquito Disease." It is persuaded be on body cool, comfortable, EfTect doing tropics mosquito- Mosquito-nets only stray mosquitoes, be should the least drug. always former two been. the should should of in this made if make at " way of the in the and that brigades. people best be successful have may Mdsquito-borhe we The however punkahs keep will The segregation practicable. not the to vendors screens, think principle, and Then, again, rich people punkahs, 24. Koch's street ourselves mosquito our profit could enough abandoned, and started malaria. appoint wire-gauze wherever be of because measure. one I please. all but one render can we we add to not than more supplying quinine to expenses. pay further out practical advice, for if have we employ course, secure prevention this would is not of endeavour arrangements^or for think to should suffice not Where funds able be we This measures. rule funds a as that stated It is often possible will himself.* for details BRIGADES as actually who persons Italy screens in the intelligent people tropics as live BRIGADES MOSQUITO GORGAS, Major that reports stamped out the result the as chief the where Havana, in happened 53 has disease the of oAoei^ sanita^ been cally practi- vigorous campaign against mosquitoes.* the But malarial and in which ones, removed to Britain. very is who will to die in the latter two of case not of malaria see effect under several have malaria campaign such as labourers, areas and newcomers many on as is died). vanish, We if as which ought to concerned " Report often cease have for to town, relapses yellow the of quitoes mos- Indeecf,*except the after in of case ation, oper- the case tiasis elephan- majority of the therefore, expect Certainly will effect an by magic, immediately against mosquitoes. those in the not, must due a from manifest (that is, until years of this action marked born be and years, in extirpation first. children likely to that elephantiasis and the as words, while the sudden as diseases much under patients produce not such took we and Hence patient has agents other malaria once, slowly. more will the at malaria, obvious, then, that before In the after In the elephantiasis,and from suffer out much It is infected became lingering disease infective the all destroy after time by the parasite. are mosquito. permanent a tiasis elephan- for years alive healthy climate, malaria, long afterwards. die out the a completely we people fever on long a will continue of for caused after even by with diseases the of introduction Elephantiasis mischief these Both parasites remain continue relapses different somewhat be fever. the first moment still will case after to our out-breaks, bad soldiers and fairlyabruptly, provided that occur been September, among properly 1901 " dealt ^Appendix. with ; but from suffer to their weekly will be this will not it reduced malarious have been number oi countries, almost all of fresh of fever in such Hence, at in afford malaria by in malarious children a places shall we by measure which medical Less only gauge be the the in of decrease that of the the by even this that against good method native blood, show can the employed latter discovered we The number The children. prove the ous non-malari- operations method. only can to that relapses. to from KocH our In effect quitoes, mos- of the ever, how- is one, well-instructed a man. methods accurate the of and noting in For that of they the the the have before latter since contracted after and of criterion fresh it examined their the the examining in decrease newcomers operations may consist children spleens necessary area able be exact an newcomers. the after decreases percentage due If, then, preciably ap- adults so large percentage very birth. after resident another; the parasites of malaria possess nionths few a the judging process. are reasonably expect arrive of just given. often born means accurate an who newly excellent an can but fresh infections. or is we people in countries, and will these in localities, infections time one disease mosquitoes may we Of theory; reasons the as of the mosquito the in infected appearance soon as ' ' of fever. go for the number, in parallel reduction very the disproves hand, *' this continuance to fair argument, a other the On that claim will continue residents monthly or sceptics will point course, and old will still linger'on', dnd oldCiases a BRIGADES MOSQUITO 54 the tions; operain infections is, of have course, not arrival, because disease larged en- outside. left wise other- 56 the on the sudden the Of proximity the mosquito It may be now that of I cannot we mosquitoes ; or that Suppose if give are infected become to in a duplicate ratio. then, roughly, ; the of number bites infected persons, among the turn, because to persons insects the bite. in the one-half. of infected formerly was as In remain, insects Hence, will many the case. fact, we may will be be reduced in number disease will thousand in every sand thou- infected bites. in the locality reduced byone- people will But, since be find fewer the number reduced perhaps decrease a infected will also now on now the by biting previously of ultimately, localitywill persons as .the percentage which will be infected are be mosquitoes also estimate every one will people by the on The in given locality one ? statistics in the ? a mosquitoes an decrease ratio a of expect duplicate themselves mosquitoes by follow to actual any we and, consequently, only half ; lying of diminution attempt the as by one-half, the mosquito half that overlooked number a in reduce we found expected in suffered bites Now, ask, is infective mosquitoes in the ratio diminish be perhaps We same probably be percentage may yet as may the in such report of water and house, asked, what priori grounds. disease to pool or in mosquitoes generally vessel of reduction but point, it will disease given percentage the of warned be affected guard against gangs. mosquito-borne I regret numbers should some the to large course from come in a of People once. insects always, however, must appearance houses. at cases We subject. single in BRIGADES MOSQUITO by assume to mosquitoes, reduced infected sons per- of infected much that in its more the one-quarter " than number that is, MOSQUITO in the duplicate one-tenth, we / think that is it that why towns must surely the in The medical which extend into of money from ; of out obviously public Cuba, In disseminating Hence is at action Gorgas Major been never at any in which period, mosquito; and, disinfection results to be this of local lesist September, carried this last also these on the "As 1901, condition 150 known February, out See to the have we during fact/^ in above that all the commence ? be to ordered denied and inspectors, proved was word delay to of the mence com- toes.* mosqui- such ous vigor- possible. reports time a of medical extirpation be scarcely can by of heavy a than, without staff the " pendencie tropical de- indicated fever sanitary our to mosquito yellow remedy approximation an disease) it the was branches and directed improvements obvious the * be an the country host the cannot once, possesses in motion set moneys, agent the hesitation, be engineers sooner no the sanitary necessary in costs it not can up of the it at to Britain towns which why oflScers, of paid that why cleaning regarding mosquitoes. of small very asked, province sanitary machinery, even headquarters; health discoveries machinery a " and attend to Government and possible. it will be lies in the ought of recent view Imperial enormous the who " be by private enterprise; which one prevalence. always draining as commenced is matter especially or be ever will to mosquito-borne In conclusion, " measures authorities public sum reduction of the mosquitoes part of its former degree of such the the reduce to Sanitary Anarchy. 25. of reduction reduce can one-hundredth this 57 percentage hope may the to of the ratio Similarly, if we mosquitoes. disease BRIGADES This years. that the (the yellow Military lines. campaigns I at New fever, there yellow to freedom is fever first the Vork our in during year, directed the very has from by conveyed was Governor attribute Havana of that the our surprising Appendix. MOSQUITO 58 But love They mosquitoes British this period in has control to of Manson' been s this disease and yet saved The held Lagos, I doubt the country rigorously under collectors, and tax affairs, and thing to and of governments is statement mainly true, of experience the head obvious most sanitary medical thousands, in the " our of executive energetic absence unscientific men whom of scope Twenty years elapsed tropical hospitals in the before Laveran's diagnosis and and Imperial our that defects exist many able disgusted discovery of was fever. in o{ death recognition treatment the ordinated sub- absolutely so are or sponsible re- even life and The possess powers skilled disgraceful Gross services. they for their be men. these is years' twenty with the but enforce the should {e.g,^the now)\ no and hard a seems from and It with men sanitation, connection in are public for is direct to They our speak There vices ser- soldiers, lawyers, of Africa services. scientific to I and concerned matters, medical and exceptions are Coast empowered teachings.^ its This it. there matter. movements and scientific about West authorities manage little has but, except the to who care certainly the whether all means theory years; of the politicians nothing say, three thumb of the large scale by a am during badly organised. very I whole made Imperial sanitary the believe in the attention by of whom most know certainly life are proved mosquito-malaria nearly single a I been on for fact is that of the The discovery. Hong-Kong effort Manson but single spot a stuff. pondering on go since years single a fully established have in in not dominions will elephantiasis; carry that right in saying They It is twenty years. of different made are things. ponder to for twenty that authorities British the BRIGADES also ajid by the for their generally used BRIGADES MOSQUITO services while, ; incapable, the by their and it is hopeless for from the it is for that I have the reason work present It is the to of civilised which will living men in should endeavour only by exertions made first part * A connection the that If one write fear to only matters with a who The to this the high and more right usual what speak to business that there men, frequently made in by the in discoveries recent such the in whose people, trouble ; but for of real acting be the councils and to fewer of I countries. Here of the on he has deny their must matters they not not are often are then, seen who if nected con- anywhere, susceptibilitiesof persons remarks. is, of in out who those officials our has or will have, Sanitary communities, his chairmen Colonies, but poured congenial should truth. sanitation being as who one sanitary matters, on regardless bad no British of the whole out, money mayors is whole of all at injured by given more write to welfare rarely prevents time not personal own indicated to some capitals thinks he death excuse taxpayers, due is offend some to upon themselves but have tropical sanitary organisation called entire consider may But the has man of even life and the facts, and prevention, their themselves save will remarks exactly of quito-borne mos- obtained. of feels of experienced disease is to opposition these experience truth. opposition mosquito-borne shocking condition, much as the information 1 1 fear I by these by manner tion sanita- Sensible persecuted cause but the tropics. remember the in book.f of the making scientific the deal with in object of this great the in and only public opinion the are agitation, constant action private enterprise. created it is which further to of in should diseases concerted has and sanitation countries anarchy frequently appealed so which countries; enforce of to of the spite public sanitary services; initiative alone public opinion in condition a rise to congenial so rise to immediate against mosquitoes this generally apathy, such any perfunctory, most seem continue Under look to their of and incapacity.* gravest officials inertice surroundings, the hand, other out-of-date vis mere the on 59 and colonies. of want course, other channels regulate the lawyers, and Doctors, municipalities. of funds. less useful It budget. more also, is doctors should be 6o MOSQUITO there Fortunately will have while the convince begun to With future. reader take this of the that a lively combination evidence strong now attitude* sanitation; matter. the is the in improvement tropical BRIGADES of a towards government dedication of influential interest much this people in great at this will book home important be done in APPENDIX. OF HISTORY 1880 in finally the enter human being sick the from proboscis of is this conjectured also" King namely. in ANSON the that The in malaria these human the by mosquito, into return to the convey follows as fresh a from parasites : mosquitoes in discovered Laveran " Subsequently 1880. in did parasites in Laveran others but ; it X884, be must conjecture, beyond go people these X883-4, not several carry and 1896, scientists ; but fact of amplified by Zeitschrift that, Laveran, fur and and at or Bull, Hygiene^ Bd. Times 19th Malaria and V 32, MANSON,t These researches in were James, ; Lord 1901. Mosquitoes. de on ment state- which but to able admirand confirmed and Ziemann, Van Scheer, Fernside, British the of execution by der i/Af"?"Vf"?, 31st LiSTER, option and 1898-9, Annett, to no the Van 1899 boastful based was Manson, Academie Sept., researches a me in importance my such work and Daniels de by leaves my of which mosquito leading simply matter of group mosquito-theory of make this misrepresentations while RuGE, ^ my this own. NUTTALL, 1900; t See in of to constant Stephens, HfiRLEKON, See the my KoCH Christophers, forced LAVERAN were and the kind facts solely am that also of it I of the other of life-history proof of of treated add hypothesis completion is been I must so. and that regret has public the ; obtained were the the regarding determination malaria, I 1895-99.* Dec., discovered Low patients order in Koch 1883, mosquito first connection, * in facts the the ; carries do of simply briefly BiGNAMi fundamental parasites the and covered dis- was hypothesis. most this blood insect that in 1894, understood the disease independently M the elephantiasis James 1900, mosquitoes malaria of parasites and healthy. of story In ANSON. that MOSQUITOES. mosquitoes sucked so ; the to The the M by parasites, the that between connection The AGAINST WAR THE Jan., Medical and 1899; many KocH, Journal^ 8th APPENDIX 62 NAMI, and which I had similar in by the three of the one to of these impudent most trusted be I me. when except of the of the add I must persons, especially piracies on works in parasites rest, last, constitute and record, the on found that, for the the of Big- {Anopheles), in India, and scientific directlybased important most mosquito development that regret a 898-9, Bastianelli, malaria carry Italy the stages previously described writings to x of the the genus previously proved insects In parasites. ascertained Grassi discovered 1897, MacCallum In of the life-history in the fact then. since others of little are reliable more observers.* ^^%2S(^\x\%yellow fever, FiNLAY, that hypothesis been disease Agramonte, by persons, died. of means the Attempts soon and by in the again,J over advocated towns, and Mr. tion of the the same at to but 1899, I Sierra Leone to make a with the of the value Leone Sierra * in the in the July, page as Policlinico, Rome, York Letter 1899. 1400 ; " Memoir Medical to Government Also British Journal II. of had we regards Quarterly Journal his by of i6th great May, ist ^ 30th in Dr. my Arnett attacked energy, ; but whole KoCH*s he munities. com- method, clearly demonstrated of 1900. advisabilityof impartially marshalled 1901. In our segrega- by Nuttall, See also my letters 1901. February, of Arts, persuading cinchonising Science^ May, Journal over mosquitoes with 1901. India, partly published in Indian Medical of Society the 1900, in of question thorough local^investiga- the been and of experiment mentioned was recommended, went Manson of Microscopical Record^ I fever the employed Campagna priority have Nov., of Italians ; and screens latter report facts The t New X window that " clothing tropical possessions German the attack with KoCH, method malarial succeeding in Meantime of the extermination without in certain in to though, Simultaneously together the in this manner, means discovery. of of number failed.f infection new a Reed, days previously bitten by it ; another recommended the in the fact has Carroll, more was necessary principle subject.J question all of once light of adopt Austen who The disease or persons method above, to countrymen twelve Lazear, methods, exact the fed numerous other it became determined, prevention infect the as mosquitoes of the held long conveyed by mosquitoes. inoculation disease. to patients,and As direct by patientswith on is has Havana, recently quite conclusively proved by Lazear, and of the of July, 1899 November, Liverpool Tropical School ; Medical Lancet^ 1900, 1900. publications, 1899. Gazette^ vol. 11, APPENDIX 64 to standing uninhabited, built being of because pulled down, be inhabitants suffered. For authorities I made extensive with to prevention the collected larvae and talis I history and civil areas, suggestions as and from and developed in ity captiv- distinct in different From measured around repeatedly the to as these of localities. distinctlyand information cos- species breeding pools had nidus. and Anopheles " dozen a Anopheles given a examined varying important some I have distances, range chosen with rough had all up over me pools and pools safe in had in the bogs bogs numerous than of Anopheles building them malarial This the half hills,and an Kong City. Three years ago, malignant type being down with had property shrubs, trees, Hong most a valuable and malaria) assumed having grass were and exist rank ; be grass, the the from an sanatorium name breeding this aggregate lie hidden like African ; of which remedy, by destroying vicinity of with bogs of notorious others immediate these more of the haunts of dozens discovery yards suggesting preventing the the the distinctlylocalised very and cause in and around, streams hundred the out In around. few a and could various captured, within bush nothing the were acquired acre, of there Anopheles pointing of mud fever sent closed. above instructive. companies two hillside. the places breeding made be for hillside is most carefullyexamining adult many of the on appearance, breeding their accommodation last company to deserted SANATORIUM. with situated presence of the cent, After the nearly malaria building this the to grown less and where building, of most this the and abundant are MILITARY quarters, building and Anopheles full details officers* (80 per a which military making secured various THE isolated owing the from having maps. An The and considerable over and cause Anopheles from give I. and gives area six, of which sketch of districts infected an of the of itself manifested the breeding pools sinensis, proportion selected twenty of varieties localisation The various Anopheles the Culex, the fever under experiments mosquitoes from distinct two of amount months out unletable, terraces of malaria. adult from Alike the six finding of object the whole fever in the swamp. area in the building of not hollows of These APPENDIX with forming and subsequent of the main building four The officer at the best of mosquitoes. life-history with I ordinary teaspoon an the Hyderabad began by clearing the hillside,working out from cutting and this for months. distance The of 300 for troops is remained modern the outbreaks sent hospitalfrom to important On the north in On and the have Mosquitoes have been been in the conforms malaria, after 3. A with as, airy and ** no surface The kept health ing the build- the on sea, The Harbour. of stream question hollow this hill sistent per- patients extremely an have round by of the police station police,no malaria. Anopheles the among native the distribution Thus of to the find outbreak one of of breeding Sakiwan. KENNEDY building,only opened conveniences, the the history QUARTERS, all modern by free from been unable was of larvae cultivated is the reported the hills, I found barracks. population. I fields building, are search, the hundreds rice ** to of were of the which fevers 1,500 larvae Unfortunately 5 the the the yards accurately new of two is to be area continuous in which around 80 MEN'S magnificent district. and exhaustive MARRIED rooms and Anopheles creepers period a time, and Kong regularlycollected villageof Anopheles pool the almost bogs within caught, police or Hong to village of Sakiwan, Chinese this above feet side, iSoyards from west building, by ordinary the whole building rendered small case one main military authorities. especiallyin Anopheles^ Chinese, and contingent, tangled for men years side, nestling in the pools numerous this the to one two 200 Pass and and full me BARRACKS. situated of fever up soldiers. white Northern scooped impenetrable undergrowth. LYEMOON building commanding least the the drained then good during by 2. A of at the dense inhabited now pools were period a rigorously free from has yards occupied and bogs draining, and of the troops burning absolutely the undergrowth a 80 having given (General Gascoigne) Indian 150 (Within time.) one commanding granted for the nidus of libertyand we larvae Anopheles around vegetation development yards " luxuriant the 65 builders left a year little or rubbish ROAD. ago in July. malaria no and The in the pools lying 66 APPENDIX around the larvae oi house. in the After August. hundreds that living in the Note time what have before began of 73 under 10 record to under Women's 50 per ; and in a microscopic cent., few and French attacks relinquish mile a Madame the Musso had little unable was old the found site of the 300 yards further malaria discover breeding and as One 130,000 dols. and facts the on house sold deaths 3 children the blood conform and this an to by In children they examination while is the to half common. 150 by strong over tinuous con- had site about careful most accurately afford for schools almost to been Anopheles, As MOUNT for has occupied hundreds. private children therefrom, they Fathers by mosquitoes was , the by travelled finest of the building building occupied fever west, it would 5. houses crowded were another to in another malaria, and distance the loss of life \3irva.o( the in three the bought property remove again, ; one around there in children of this later, owing years and ; and them Anopheles loss place no them fever, of the the their parasites. ago sad the old or to years, over and building occupied present have I the from opening among years four considerable at became cases were POKFULAM. which of fever Military Hospital had fore be- from the of cent, but examined gradually of the in building. I found inhabitants contained sixteen training colleges, the I had unfortunately examination Fathers the per and selected 4. The 33 and no and driven which Then six months children years result. were developed were of them drained, around pools, pools attacks, and within and women best in and in and Anopheles next negative the until the around, a must secured were the feverish patients, out took streams complained, with they When with have to around ; pools There examined I of 2,(i\A\.Anopheles breeding pools they months when streams hundreds were building. filled up bush in the ponds were these occurred. December of this fiftyyards surrounding a artificial of these one within Anopheles Anopheles then In in and Madame around Musso I history extending the prevalence evidence presumptive infected of area. RICHMOND. residences something in the Colony, originallycosting like 25,000 dols. At the request 67 APPENDIX of the owner I read the following history The " there I hardly expected pool within that you the and the owner enhance following X7th, 1900, results malarial the of have the of the marked We made results our the this at yards the by a date of the civil and We the examined under ^ 50 of malaria ; 2 cent, cases of and cause greatly small cost. Kong, ber Novem- gives Thomson the of prevalence contain and 40 the that of His inquiring there into to the two important marshy and larvae, from causation Government Anopheles. important, yards the of abundant instructions recently. around places most Excellency Excellency's fever attention year the the to points which above stream : (i) even within are matshed the the From 80 occupied referred to is * of were the microscope blood often children found the from police station. * per the prolific breeding ground. village nearest In breeding proved (2) His purpose that police station, permanent C. of causation with direct we staff; and The would Hong John in all directions for in the and of malarial search breeding pools ? report, for the information for the matsheds and malaria, which cure report, dated the accordance Tai-po search, late into from a : to in careful and that to a saying STATION. YouNG M. prevalence buildings of Tai-po that proceeded from single a in separated by comparatively a from fullyjustifiedin promising was POLICE J. honour at localised. so fullyexplains why immunity effective property inquiry an at Governor, we Drs. free I and property, were that out TAI-PO this sure name." this comparative and extracts by fever We houses of his 6. the other permanent value that I felt hesitation no valence pre- vicinity,but Anopheles I have of yards in oi fever-stricken a 50 for years a the The had immediate building larvae fever, and without space, the to house. distinctlymarked so are hundred your has close so a within lived inhabitants effect district clear a of be not is it that Why them nearly yards could for years road 80 him to the it alone from the breeding pools in find to-day taken I have sent report buildings and various instructive, and most some to of the me gave was be must the from : you of malaria that this district, and examined I the cases of * * examined benign type we and 3 * malignant, parasites and while APPENDIX .68 all five children pheles feeding disease when which In described, in the with have we for the which that have the was of the parasite that namely, the of capable the Anopheles almost close of of these healthy that the transmitting gamete, is proximity to of Ano- any undergoing insect. many factors form mosquito near infective the fevers the later days the cases mosquitoes in the population, by them, few a breeding grounds their rendered of of that body of buildings, and native 2 mosquito, rendering observation our abundance the in ingested by metamorphosis the to capable persons, under actually came form them upon other to infective were prevailed mosquitoes who the among infected being are be may tinuously con- bitten by conclusively and sufficiently account ment Govern- the to up extensively an persons above genus officers Government at Tai-po. We has of are observed been the harvesting of their numbers the I would larvae the of their undergrowth vegetation gas, by lime, in which the gallol, etc., disturbance or period the at paddy, disturbance such and finding their in way ; and which large of live. Culicicides, mosquitoes hidden after found the the with the only were account on only subsidiary are of account on places, breeding adult and growing reach, of times these at their germicide any removed was and that cases practical impossibilityof dealing the mosquitoes fever hills. the on the the grass afield flying further houses of many nature to within of increase ploughing, is due coming emphasise of of time usually resting among resulting in to seasonal rice crops, Chinese on the the at two mosquitoes feeding that opinion luxurious petroleum although measures, doubtedly un- useful. The in all (2) destroying and ; residents in regularly burn in various Extensive mosquitoes dragon mosquitoes West Africa the and grass to in the have their larvae flies,tadpoles, small is of have by cleared a ; even a then vation obser- of immense as vegetation, and found this old and out, over again emphasised road intervening made community. been the and adopted and from Alike area without over that undergrowth, by experience Kong health a fly far this Hong experiments place will bush, and localities and long I would no difference all be to seems breeding places by draining, etc. experiment, importance method effectual (i) clearing Kong: Hong all the and only permanent made "natural fish ; the whole as to destruction the enemies subject of of mosquitoes," seems to me of APPENDIX 20 collected Anopheles, larvae, and Anopheles the fatter the any for until pool forms are he himself being with factor explaining why in the overcome is there numerous more for struggle effect trace of the lens in in seem realise stagnant a the various Culex larvae, then, places where "w^dktr the not can watch to many did on and The one goes malaria, no larvae no no swarming. is water indeed, hand the was Xht Culex which large a kind ; which important are them for existence struggle forces of life with an absorbed there hours lean like Pharaoh's Culex 20 pools, together. twenty-four having the intensity of repeatedly put different from Within astonishing. was I have practical importance. little 69 quitoes mos- Anopheles existence. CONCLUSIONS. results, and These following conclusions : malaria, in every That 1. with That 2. in no without houses Anopheles there is marked That pools in case district adult infected cide is alone In area, and would New York, a and they these where district in every examined tained con- and caught vftv^ is, their from distance the breeding localised and tively compara- draining. effectual found then to their and select to drive the away breeding pools; the treat by clearing the were etc., in order draining scatter few if pools other with pools larvi- any to this their lay an cleared the from fever. island by like our investigation made recent carried properly of malarial years be corroborate results district that horrors may of repeatedly, that of children always were bamboos, grass, I believe free within itself neighbourhood from. conclusion, the that by that breed by others, in the yards. 150 absolutely essential, means and larvae than surface mosquitoes combination blood greater a pools breeding of all shrubs, female vicinity. is fever, and only practicalsteps the found the there was easily treated 5. That the to me localised. no the That 4. immediate parasite, Wv'ingAnopheles houses the to lead invariably associated was manifesting there malaria breeding pools 3. fever found, there are malarial the in the Anopheles malarial where places, place examined, were case other " breeding pools Anopheles of details the out, haunts It is oi no even over Anopheles, Utopian Hong Kong breaking the or idea Stretton a limited and to sequently con- think Island, extra-corporeal life APPENDIX 70 malaria the of circle and Leone Sierra and Entomologist, would I be Kong. Island, Stretton at I Notes New of Medical the Lagos, These few of prevention ments experi- of these none S. U. Howard, than malaria Measures His by places in Hong Sir Excellency taken being now WILLIAM Governor C.B., M.D., K.C.M.G., field written is to in the seen Dr. that state visited Lagos.* of asked have under I have year Journal, MACGREGOR, of them last work, at York, Anti-Malarial on in been Ross unhesitatingly hopeful more British " Major seen the Within parasite. notes the on them prepare read of suggestion of sensible deeply be to a " at discussion a Major the honour request which Ronald has The Ross. conferred have malaria on him on writer by being willingly been very plied com- with. The general is here accepted the outline at size is the be subject and malaria be can malaria natural Nigeria. wanting far the of the It to make Lagos and are clear Lagos the Northern Nigeria, undertakings are malaria is not perhaps practicable, British but Medical malaria Journal in and less is the more 1901, vol. ^ of been the of malarial of and 680. by extension connected important II., page are town, control urgent, it is the Northern the are a It is things two practice closely the on commercial things two Lagos. reputation. practicallyonly These same whether has province prosperous upon. it is to geographically interior that Africa. to ; and great a unenviable very great than Lagos not. notes, of the country by purposes touched are largely depends or parasites these In Ross. other commerce enough in West two * of outlet Railway The for practical importance very a malarial question no combated earned situated seems greatest fever. Both of port future successfully favourably very of greater industrial has Major to the for of the that premised of malaria that centre of practical aspects once Its economic historyof labours glorious therefore, only the It may natural sufficientlyestablished as and unique of the the gether, to- two. therefore APPENDIX 72 shall be repeated of the more medical that certain by the question not have has has attacked of and It is of the of interest that the at Belief of malaria. have i" could one should people could one here theory or country. degree a that the believe than the public mind important the greatest ; while netting is attention administration the by foreseen. is It being given (i) to the of the (3) at quinine (2) to is mosquito the time same and ; breeding ground. OF that highly probable of this country, to very of one intelligentappreciation an ADMINISTRATION It appears use by language, by native understood. malaria in his the are in the general THE by subject understand of gauze use means, and operations prevention the natives It is more active that created gradually becoming In officers been expected. become the of the generally outset places, in these importance vast different at quinine as least at preventive a QUININE. the by as much as done be can here of employment quito mos- netting. The but, of course, always be quinine, fever. is in 1st an by 23rd 3.38 days. have days, against gives total a This of 94 In of cases days, 4.5 of cases native European an uary Jan- From European 15 47 remedy 1900, 79 officers. been of preventive a against 149 native among 7.5 as will tolerate cannot duration average figures of This an there cases aging aver- cases and cases 196 cases. Recently Then fresh no in the effects in malaria person of a had itself,and as officer an form, shared the from the first one, same that if it had whom on so one that quarters for the for Lagos been he should quarters could of have were nearly occurred case made to a as not the take it theory, contracted full of month. tunely oppor- order, for it its evil produced quinine demonstration symmetrical that in occurred doctrine aggravated an As officer case presented case one for the was the it use officers. officers, as days 3.4 duration average native medical of May to the they in this service. European as officers, of European duration average for native required such dozen a not quinine regularly, compulsory is not because will reason, half some either that men other some are treated were of for or of take officers taking quinine as residuum There of fever long so a much as ofGovernment number greater as a a ventive. pre- second the tagion con- mosquitoes. APPENDIX he took But much value proved The mass the place, quinine each to present be natives some is dispensary suburb a from and 2,000 to reach a this work up formed themselves exposed to of them have able be may would been attend the of and These ladies well educated The the is at league the at would of still fail take To have Lagos of administering specially or Africa, but many that hoped that quinine they otherwise tional educa- important an tween be- second one of It is least town, appointment purpose of West take to for this ignorant. England. natives many it. in the ladies natives are special A third a at dispensary suffering from others A annually. educated the this more dose not in the exists natives, and will Lagos. and of tons of this medicine At great second daily grain a of poorer indigent children refuse simply 70 this, and league, chieflyfor a induce to the preventive Lagos, felt that was number into fever. for as treated in of the native to to number large a quinine It officer large the even purchase are constructed Metta. special medical in give town the place, and, pay a of the population by first ; g^eneralhospital. patients 3,000 of Ebute to of the for the the being the treatment masses whole public dispensary already A distance the to Quinine outside made been has uneducated In afford required people. of to the preventive medicine the not be of 3,000,000 given this protect to take could would that extend to prophylactic. not particular purpose. at how a would year of "500 vote as Government a preventive. a impossible quinine administered natives the already escaped, thereby illustrating particularlyto more simply It is of as difficultyis service, the natives. quinine of great beyond and quinine 73 institution. It is not obtained great from home the objection it checks in likely that of use in one is the This cold a is netting suffocated, outside. native completely by could man spend that netting It is not it. the suffers in from be or is to in a be officers a highly disagreeable way Or others of singular evils and feasible fullybrought are delusion to so and moist sit inside poisoned by remedy as European even mosquito-proofroom. the be cannot worried a be One choice hardly can Italy. in as low-lying, hot, a possible to protect Few day and results good as that difficulty to comes The houses. a But it and Lagos serious climate. localitylike Lagos stewed like place mosquito-proof netting it here to ventilation. to a occupied Certain that the quitoes mos- regards quarters that it is that mosquitoes they any bite APPENDIX 74 only during days, or the even limited officer. this In if he will be to do chooses reached Much us. of the alone in few We weeks have had netting in rose houses building Those year. of Public This Works, shows wire galvanised and Lagos, article expensive THE The The ON of fillingin the swamps convict labour, but will kerosene is About mosquito. of the Many contain engaged water tanks seldom from Fortunately It per cent, and tanks of about do not 20 feet for Lagos the some is an the is while town It in of the that larvae. first and duty Lagos are on that fact most many common all one it will the Government haunt has be day long. found are tinsmith A power. pools most swamp the costly chiefly by steam quarters from appears is built by soon Lagos, many many mosquitoes done unfortunate of the of being of the European whose breed deep, That on mosquito England for instead numbers unhappily they puncture ^ for the conclusive slow, laborious, the parts of mosquito-proof. mosquitoes over being certain water the expedited used in numbers large been that 70 Anopheles are much be more. years MOSQUITOES. Lagos. Anopheles, is, at least Anopheles House the of same Director years used be used was of copper. is expensive most score seems will yards of Assistant half some diminishing lor one by and of the for four good gauze ATTACK various. favoured of compound are Meanwhile kind and August the experiment of taken measures be of climate The in by will they this this made tion queswhich materials 250 some England House examined been netting. in future from Government says vitalityin a now mildew the to as 1894, May, obtained was have who the as netting, full of experience In gauze. at houses hospital the to metallic becomes useful very metallic wire quitoes mos- exposed. a galvanised making from only just attached the of each only muslin, has be to Muslin climate. here for the required in used being of the wards November seems used when have last free few a are quarters evening European we England be to last in this a The so. here the to the spend to importance material can rots in ordered netting wire able by spending cure Operations Lagos. Hitherto similarly protected. are in speedy a mosquito-proofroom one he have hours, few a supplying to would night to to recently all make observations wells, though considerably they are shallower. sand, through which rain APPENDIX pools would be It is to disappear by soon from infected academic it were this the apart, that little,or admitted and effected the during about fact that a last are while at not and speaking the granitic as large for mortars surface is that is along filtered which for six months practically at a extremely dry, hardly ever sees in a remains to be of runs is standstill in that numerous Up put up, reason of the the the In has the that and other of The have tions excava- the through formation. A final The sures, fis- hand, soil sandy for several beds been natural fissures at The numerous. exceptional. in the abound localities two excavations interior. of interior, most numerous propagation for quarters Europeans gravelly country we receptacles least these condition manner more about On in the save marked other of porous subsoil pool anywhere are artificial consists quinine. The of In the be hills, the numbers. year will mosquitoes hills there com. water the them of always a which the population cleanliness. residences large into complete and the numbers in pools simply in quarter and of the tops gneissic rain of at expect to almost low-lying coQntry rain the grinding breed mosquitoes which places and or tanks the Lagos we a none. of greater two regard sometimes served results reasonably with the frequency greater would in consist quarters explanation In camps were and do in European every there mean To dwellings. native nor can much are European make What in Lagos native, never myself remedy would administering on about mosquitoes the and mosquitoes at the Lagos The live apart perennial. the impressed than of the of From in the with cannot become. places at radical followed for that doctrine. Separation so. would swamps quarters generally, one been they done here part that the European given. fever uneducated to one place view. no along remain it should native in be would weeks seems Europeans, which from has few a many difference water, infection do to live academic policy Here try should afford natives that few European there the quarters unacceptable an The the not the would less, would port for the take chiefly by reclaiming It is it is it is not. should European matter are of commercial great accident competent called improvement. to least source protect that Europeans and is to they at the of view which matters leading way be may ungenerous, practicable, work this is in other as mosquitoes point view for But in certain This natives. administrative the on recommended strongly from apart filtration. uninhabitable. simply get away 75 clay result is mosquitoes soil becomes months. of rivers and One creeks APPENDIX ^(" of considerable a bred larvae the on the with dry River, dry to for example. their prevent enemies. It shower was of been absence in make out make to determine how town the With taken far netting have dry to In a crowned have much of the freer that wish to they lose should suffer or more A sites of these the The water. have they places fever. from, on of use those at little so Department that state kerosene or be shifted. of to Lagos pumping been chiefs '* no black- now there will is being applied are " pits The peculiar the on mosquito Certain quarters. nothing all stations near them. on disappear all but being measures town Burrow in other as ings build- in this. railway In with drainage. trees, of which adopted. subsoil, which power of the " the State is used there But large has of condition railway. mosquitoes trees from, is of them children on Secretary sanitary to the up, matter the the employed compromise great the attention the deprive of be season reasonable account sanction is to are long-continued admit Medical them. there. filled being free unanimously practicable as the first if they as revive there some Others all. at that probably towns improve to are the " fever water on inland these they soil, that of the his considerable a the to chiefs of observations would settlements native of far of the fever no number due of ally how to from mighty a before, just something The It is intended sufficient a present nature towns. have they it. by European as inland that children the to were measure is scene New arrival here the to practicable were this 7ear on here exterminate encouraging once long- British their season Lagos without great a and most at none abroad dry a at if it coast, the and brought go rain, and many near where it is in of fever to the like possible to hinterland noticeable fell be its mosquitoes place a ing Dur- be infested to and country of in perhaps that this quito mos- Oloke-Meji, at seen expected number with Lagos clear mosquitoes unable the fish the of survival. be to have soil of met mosquito that Doubtless those in the very of rain number had the against one It would quite would porous production It is mosquito a reduces of altogether elsewhere. factor that season fraction mosquitoes that sandy small Guinea, not was full of small are little chance extremely place a It is the them. very have there latter these As there season Ogun continued a size. that growing must here. there It is made be On did up are not other a by few in Lagos, desirable appear of sand exercised the not and the hand, mud, many these to of the largetrees APPENDIX did shelter afford all to undergrowth be allow free It is short is far begin hoped, let it be Malarial and under be cannot which machinery, [After total other effect with set sum the ence refer- special for apart current of parts ity mortal- sanitary is not year More revenue. the administrative sanitation. stop read was paper in general public the if ance, continu- great a part of the whole MacGregor's to creates incurred colony during would delivered been The deranging in turn William Sir had which without and the their encourage that be to one-seventh about or done has this to against Lagos years to Lagos. at beginning, a three or disease only it is removed blows at that scale. greater the but as been done being out, branches lower generally two even extent an a in purposes "34,500, for for instance. dysentery health on is required, expenditure Large to is such is not fever here. what that thinned been have tree which breeze continued felt to be to away, sea of what are measures will the to passage all the and disfiguring the painfully apparent malaria these cut off without lopped could been have They mosquitoes. many has -jj of lectures copies Lagos passed were round.] Officer Health DOTY, Staten in Measures Anti-Malarial of Island, the by Port Dr. of New York.* selected Doty Dr. contain consisting of boundaries feet a in diameter small of from water larvae in a acre houses, showed that the or or yard shape well large quantities British mile square Medical in as were 30 in thrown not A of malarial barrels, cisterns, and the about found. iQOi. from more of the cent, whose five than house-to- inhabitants fever. In typical breeding places all stagnant Journal^ extent, premises. pools, were Large vol. tubes II., page 645. for cesspools. Samples examined, were to section, within apart. form found This pools varying per chronic practitioners chronic. distance least of rain local contained area, some were receptacles as at acute in the these, the and acute more or wooden either abandoned than by twenty-five stagnant an house every mosquitoes, of to inspection almost less some suffering from were or a were hundred house basin known both of malaria, cases many district a and distributed APPENDIX 78 the among infecting of one On the Anopheles and a taken blood who malaria, acute The have completed, will the larvae. being of different kill all to strong published. of after alive hours. the be and effect might same with. experimented superiority of petroleum to be oil which barrels, rain equivalent as a of oil. larvae is due oil the from dangerous, is There the by introducing way it is if the became water evident it to is that vicinity of during the to usually to a seemed another. over pools obtained and also c. of of water less the is and, ; than death that of cm. This hours. by that and amount gallon believe respiration, there this of the emanation both, is particularly repugnant, or he a says, the the these long grass Special under the with contact of the if not were and weeds, the attention the this In pools places of therefore gained larvae, particularly particularly abiding was oil is water. petrolising stagnant In places, effect best depth in direct agitated. day. that considerable surely brought more oil marked 3,500 four or little full-grown mosquito. doubt, no of to agents the stagnant added lived ponds, but minimum a in three was of product with this is inclined DOTY its odours, or to result obstruction to them drops twenty Dr. of in other and some they tests manifest, petroleum killed of fact, this matter amount larvae these petrolising the centimetre about to in crude a cubic containing water is etc., One naphtha. used was mosquito produced petroleum one tain ascer- slowly, and acid During became soon of this agent use when to solutions permanganate of special advantage no Lima The oil to carbolic solutions. strong work, made larvae the unsafe of said for observation. 2,000), sufficiently to weaker In be Potassium in very except affected micro-organisms, therefore, (i from parasite. destruction the of mercury indefinitely.It would, etc., in In logical bacterio- a corner, been have tests lected, col- insect. laboratory the of were were malarial of the malarial suffering large glass jars agents twenty-four old from one malarial opposite presence bichloride all but years the on Many five were the were seven in Anopheles night twenty-two laid, and been be solution A child house a there toes mosqui- secured were taken, and one-half placed already value second the were which the a showed mosquitoes eggs Many in in the the latter mosquitoes were from lived examination live than more the among five On of collecting some and house a night species. of these of drop of first the On of purpose evenings two bedrooms the subjects. the neighbourhood, the found. were for houses it soon in the the given mediate imquito mos- to the APPENDIX 8o Further Some Work Theory, with Special Around New York, Mosquito-Malaria the on Reference Conditions to WILLIAM by KELEY, BER- N. M.D.* A.B., ****** As fair a In to conditions Around a coachman his From infection the same A other case in of a going These far last as seemed in which to be the from on original the a pond, servants across pond was one fairly search proper segregated pools fish),and as numerous, at post-holes, buildings many and of malarial while away of had the the in germs cachectic otherwise, till for the smaller the ; of terminatio Ex- seclusion from danger (i) tion introduc- in of the blood capillary cases out (3) Continuous pond. or " systematic (2) Filling doors. : sent men and houses, in patient, by netting he of party a of the drainage recommended were possible, by in windows places, and sending area measures found breeding mosquitoes the quadrimaculatus A. were relapsed. of and mile a itself contained Anopheles screens every of had side one of that was up. of all purpose, at five fresh or case and direction that in pond (the pond as the child. following practical The of small bedroom excavations. were another first The quarter a breeding places The of the edge a prevention. four town stablemen other to in mile in in every the of stables row of distance the appeared made. long a physicians of means elsewhere malaria caught resident mer. sum- " passed along quarter abundant and had last town a : vicinity of in the the advise recently developed. had to of one and ground, York New by I cite locallyaccomplished suburban a brieflythese had side site. the the quarters, the in large pond who be may requested was were of malaria cases was I August there, examine go The a of malaria outbreak small of what example if bite of possible, relapse was certainly passed. These and the single new measures results were local * intelligentlyput were case Medical as prompt of malaria Record^ New as they developed. York, 26th into operation were gratifying. Anopheles January, at 1901. once; Not a disappeared APPENDIX Culex and was where greatly diminished the during expect houses from promptly more of by Major The is the of city with In had As larger I inaugurated, with infected are doing I have much as in all of been these in this and every house ideal the in in cesspool number main larvae killed 6 the A has for kills the that siderably con- very recently and in about and month the little oil is about into the various placed and kerosene these that a have tacle recep- into every Nearly cesspools way recently examined and oil have every ounce oil in this bay, ditches houses in seen considerable ; mosquito connections. water The the 20,000 now formerly as putting an not are to the about I have We men is found, cesspool, larvae. this method. these having a own out floatingout, showing by days. ist, both measures force cleaning mosquitoes. empty of 43 indication large. our of and water houses Havana sewers of being and water manner. the breeding places of the are sink with in During containing standing closet houses stagnant places. over continues employed are went results. two-thirds about This We April to this the that deaths. yellow fever, is to I think time, most for the that period a 26th March is record. killing mosquitoes work of Army, fever no any cases, no indicates to sanitary where gone it also cleaning They streams tirely en- Regla^ S. report, and have with that having good transferred of the fever we from was at regard of amount brigades. and think body yellow 20th U. yellow to population, subject than now favourable. the regard of which April to inclusive, 7 days. The even will and Surgeon the of cases longest period area, measures April, 1901. from seen two March the 1900 be April report 8th the from the It will smallest terror, authorities malaria and Guanabacoay Officer. have we local same mosquitoes Havana^ Sanitary encouraging. the out carry both The numbers. C. GORGAS, W. condition month to previously a night 1 there. Statistics Chief been in that believe disappear Vital it had coming spring rigidly,and 8 runs are into several a large number APPENDIX 82 May, made showing hand. free I think what But June with This is same the the city this city free fever. due part hope that to the large amount in the point of no has We mence com- being cases entered ever also May on June commenced May 6th and 7th, four or four contiguous three April carefully gone were and closed pound look as if the in the occurred, days April of Formerly only 21st and suburbs, thoroughly case next We again and 7th. case. the disinfected We again away, results had 8th Then an been after our outbreak and ; of rate The March case. was drained drained. sick house, houses at was be went 15 disinfected, and particularlyimpressed more am systematic our these on and infected them water again houses particular point, till the I of twice. and ; of the in not that at commenced of in the one attention particular no yellow fever, destruction about as that process infected two or do we the to mosquito, merely for other killed diseases. infectious the mosquito, the was rooms. "*"-"" of amount and standing occurred infected side taken 6th a the patient 22nd. May we paid for used attention of the cases burned it could days without " The expending, are February, part formaline is in great have in each room All cases. we disinfecting condition we two every feet. of the 42 days on powder where fever time insect case figures,as middle houses, infection, went next 24 gone these * circumstances had we Each Every of the we till the * money the yellow 22nd, and oiled focus In disinfection, and ; and of cases. cubic 1,000 eradicated. exceptionallygood of labour 21st and possible,and where this over. sealed, to * 8th, outbreaks first time, our and mosquitoes The The Havana fever. direction. same March Since the yellow fever, from * but destruction in the by yellow to as year, April is,the unusually favourable us first time ^k I cannot have to way. * I the probably yellow from important most by 1901. now all the cleaned sanitary is paid small out ; work to the done destruction streams and continues pools in the oiled large of suburbs, and ; but mosquitoes. have drained. been most of The pretty APPENDIX The This protected We do this it about have to used have we last and months half a While recurrence that of this disease whole about the and medium is the Reed Walter When be made and discovery, from by the this 27th, and and and no There on 2 January date March 1st, when 7th, when other have cases been disinfection we 23 of i6th order an We then occurred, and again years to four cases. fever every by this strengthen continuing ; in February, issued was ing adopt- fever. 22nd, February on 8th. yellow been 7 deaths yellow for cases new were has yellow and cases February and work that indicated lines the known, directed the usual, the as had had there beautiful Board. of disinfection two person, of which made were on months' the up 2nd the Charles Commission, Wood, Leonard On we Fever experiments of four opened methods new After been by Yellow based to person finallyentirely established by 5 deaths. and the 6th In 1900. cases 20th 1901 year and years. that supposition from thing some- we Dr. out reached the upon to in past elaborated these result done pretty say due a President. of carry the conclusions The 8 to fever be have not of this year, February forward General Military Governor, effort i6th, three can we not its transmission was results the during way, will must have we of of the experiments complete as of oil. we is over, year which yellow of and of Havana, Major the of theory originallybrought FiNLAY, to long as March on conditions middle the management mosquito occurred the present doing now are we this In have I expect rate, any certainty that any before excellent the Commencing our with say positivelythat and ago. cannot we not 1901. fever yellow from death and ; gallons 1,400 June, The ; at result. about work, month summer happy present water mosquito last mosquitofound fined. owner this the made standing the in men the during the past month, and city during month all of standing keeping unless city limits, ; and 75 the prohibiting emptied, is whole the every seems the being employing over the enforced required as are gotten is order an within anywhere water, proof. issued has Mayor 83 had no Since until cases fever more no May 23rd, until and April May there have yellow fever 7th fever. in which there was very little APPENDIX 84 in the city during which it has The the of have we 1899 are detween for been as at the two occurred cases difference great previous these and " in which years are the months three and instance, for year, long periods in none present. during this but now ; but other years entirely free " fever. from from free this 1899 In Since i6th, May I select 1899 other any of the rid The city was infected city was never entirely never was and half, the a city has convalescent become having case the this of free ; if marked more an the until city we sider con- in favour method our by March On the 8th different three by Dr. has introduced from once : two turned and apparently been visited Tam- several coast from cases H. A. May ago. times The town. a off infection of has had which interior an fever until again focus months two yellow Transport Army fever 20th killed apparently from other nearly Hospital Service, Marine that Disinfection promptly recognised were that 20th. free was no months April disinfection ; and now outside from once and mosquitoes, developed. time, the fair inference a fever as past three from ports, and years infection. mosquitoes, from pico, once is much me infected focus since Havana preceding the again developed all infected the to seems off then another During of comparison mosquitoes, developed of month one best very the city of the of infection shipping the as killed had 6th, when into infection the fever, the last from facts, it of disinfection killed the year. these From any of period a year, present focus that 7th May date. that we After case. of. entirelyfree been the not was disease, showing this rid gotten on 1898 number is that and consideration, under months three entirelydisappeared years fewest the Chief Glennan, the to over the Sanitary Department. third The one of the case these facts pursuing present from and now that but the las de Santiago Vegas, and went to large private hospitals. From fever, in from came its outside. If this condition imposed upon I think methods, not spread may This should can commerce be have we cause only be be can we prevented, the brought ideal about for the rid Havana even when in all most by quarantine can belief sanitary of be the done that, by of yellow introduced measures ; restrictions away with. APPENDIX 85 September, * " for this month, any previous September, number, there 2,397, be It will occurred in the number This year deaths the record up to when occurring in 1899; ^^^ greatest September, 1901, This 18 were of ; the deaths; of month number deaths 166 deaths greatest 70 average, number 1S99, when year when during there the deaths of there period, 36 were deaths 659 were same sidering con- that, for the sin seen smallest the ist, and April it is years, 1897, year, least commencing the in that, for the deaths. October, in fever were eleven past of of deaths number and the ist fever, fever " of having difference a of 71 there for from the had knew yellow yellow under has past month account have we way deaths the statistics we from deaths 2 to the of March, deaths had have we into in every 52 during is difficult look to since year, instead ; have reasons 100 how. fever glance ; but evident. are dailyengaged The result 32 and 11 is,that, from malarial from malarial heads two quite men and fever these first at been favour in of year. The house-to-house constant to force the They condition. people have to made has inspection the keep great interior this enabled of the houses ment Departin in this respect improvements good since September. " Further 150 as number killingmosquitoes never year occurred comes one This last fever ist gratifying surprise, this 2 of the the there had deaths. small The in in 5 deaths. been a deaths in attained, ever For the years, have we greatest 296 average, of 877.45. there when 1896, disease ; the best 496 yellow to when 1899, yellow the this was eleven past year year Taking 1889, average, ; regard the in the deaths. months with seen during September since 1898 number " deaths. 339 were from in least The city. the decidedly are any " " " conditions health The 1901. been years. " remark an " is unnecessary. approximation This " is the to this first year, As "ii to yellow fever, condition during " that at any time period, in there has in the last which we APPENDIX 86 during out the each As month of the problem felt when focus a infection be our ; and mosquito that disinfection our surprising very in this has been city. that little results introduced the the covery dis- is anxiety now in successes methods, disinfection present be that by repeated From may solved and ; that, with fever yellow from more is its conveyor believe we fever confident and more yellow develops stamped First of mosquito last six months can I attribute feel we passes control the that any lines. the by directed Military Governor these on conveyed was fact. this the fever yellow February carried be to that known have into the city out. of the Report Progress in F.R.C.S., D.P.H., October, RONALD Leone, by F.R.S. Dated Sierra quitoes Mos- against Campaign ROSS, Liverpool, 15th 1901. PRELIMINARY. This after Shortly had that the would be last I resolved On with admirable The and operations been very of The measures and Young limited to Strachan Dr. in area. May, honour which malaria of in malaria and towns of the to the insects 1901, be to I received the was instituted against Thomson I shall in Hong presently malaria largely Kong, refer to the carry adopt this and the quitoes mos- a with Lagos of others in idea private gentleman sand thou- one he amount energy different work of of this the years;* two help sum and in on " cantonments from ; adopted project conducted work in which the by acquainted commence are work : 1895-98, 1 suggested authorities starting of ist researches the of entirely unavailing during upon the doubled. since * the I have pounds Gregor almost however, following circumstances parasites places induce to the my breeding efforts All whom has the by extirpate to way drain to enterprise. with determined in the of development been remained, at the proper disease. and undertaken enterprise was by by Sir W. lines ; and elsewhere, the Macthe have Havana. Original Note, APPENDIX 88 consider repute In time. distinct that addition, it carry from malaria Taylor under twelve force This buckets, breed the houses, in piled They assigned to the a was found and removed of rains). little oil that the wherever effect The be the Every and pools weather, of or it went, these have been sidered uncon- and Stegomyia the gang), to of the backyards of in the prevalence contained the previously been The larvae that Culex and that about this season welcomed they had not by It bottles (the the been gomyia Steone- breeding mosquitoes occupants stated at or fiftyhouses, broken of stroying de- live. they and it is remembered when of them, about tins an larvae manner in which cleared it into the showed contained empty the on they work. rapid very discharged water gang of did in its gang able to for years. gang insects men broken similar Anopheles then time same this some rubbish six of all the genera man, which surface garden. and head which work had Governor CAMPAIGN. cart-loads this men, implements. gang and and streets the vessels bottles house Anopheles of of the houses the them average ten the instructed the imagined tins get rid of their The on about the and the on backyard own all kinds twenty and small a (called carts, At by emptying can third climates. over carts private of native a into houses of calabashes, OF shoot. of them daily. heat, the to breed. under rubbish rubbish occupants dropping an cause warm Excellency ; from gang PROGRESS gang, gangs in puddles Anopheles Culex His mosquitoes larger a two tins, old which and pools in which The their from against the services necessary collect to empty and : into gang), vessels drain fevers next life in campaign our the gave divided Culex and Culex tropical undoubtedly of these To men. and men, was (calledthe bottles push to quitoes mos- some tropics, and, drawback immediately engaged intelligenthead added in the principal therefore, mosquitoes to that indiscriminately. mosquitoes Dr. thought by time from and, altogether apart ; of kinds annoyance the perhaps determined, We typhoid most of amount be to there existed has diseases, especiallyvarious and pathological agency, constitute beginning other may immense is also fever yellow had a in Freetown, minutely difficult more both described in by the two task. rains The and previous breeding the dry scientific APPENDIX this At expeditions.* rapid too gardens possessed These rock which earth. and to the inches the in ; future. those touch. and time which puddles of the the in worst streets as soon and simplest least works for speciallyemployed were crude with had fairly were exceptionally permanent spite and ground, of them the soft hundred one were many workmen fairlyrapid was with in the of the more treating or filled about at drain men for them. channels nature reserve several brooms, Progress many to suited by cutting through adopt to and yards, were puddles to advisable same with out peculiar and, in order first,and at the At brushing the drains, these deemed methods creosote, to in Freetown was Some large rainfall, (estimated annually), to well by making or impetuous streets, evacuated were them, surface possible,it expensive Others defective very numerous as the to the ; but in methods. many contained Owing sixty by contained courses of rain-water, pools turf. and earth, rubble, water live to numerous attacked were the larvae for torrents the season 89 of petroleum yet had not the drained well time of deluge in or rain ; few a weeks. On and 22nd the the Gold of M.B., India, Coast. the the McKendrick I returned to with Dr. of Dr. errand same weeks some His care. report that progress The Culex and, I has gang calculate, Report of Dr. on Harrison and of Harvey, on the by five left after of will be the 17th and 28th days, the given at methods the end Liverpool and Sons, 6,500 houses removed Malaria Reports St. Martin's up more Expedition of the Lane, Malaria London. to than to School arrived Sierra Committee on remained with Taylor the a after great of this report. Dr. September, nessing wit- Shortly also He his after London satisfactory,although impeded have Dr. in company Liverpool School), studied and subject must send to and, affairs. private McKendrick. the cleared termined, de- in Freetown. August, Superintendent had Press, Liverpool, 1900; Society, i6th work, Taylor, been the the Lieutenant had is due, month. a on (conveyed dated letters In * with for of government much so Lagos McKendrick, The operations our England, Daniels, as 1898 visit to Lieutenant arrived. in study Leone for order Surgeon-General excellent Medicine Tropical the Sierra McKendrick departure my of there Taylor's Dr. action to remained McKendrick later Service, initiative in Leone days Medical well-advised on Lieutenant left Sierra few A Indian whose to July, I of says by heavy rain. former date, thousand Leone, of cart- University the Royal APPENDIX 90 of loads twelve the lent Excellency has Berkeley, of done much the taking active barracks. places distance ; but 28th again, the rains is detailed in more future a will always diminution a on general already week or or so, at the house I should sure I myself of the I think * House was is in the streets A.D.C. of our before gauge For the several we have dealt the that Dr. by will be hundred a of the times at that Governor, with had is rely must we Lieut. so. bitten been once the Government day are McKen- After first House* though town, I in both, before writes the or this, the results of the a number increase present having Taylor but drying October, their from of centre doubt arrival. to bitten, either Dr. will season. ist in Freetown. stay no to the operations unexpectedly month's bitten the estimate exact conscious operations. there up centre PRESENT. Judging expedition,in the Capt. Hodgins, larvae an never been have of {Anopheles) make not was his during commencement " he that me by mosquitoes THE indeed, " the shortly. TO opinion. that possible It is certainty. of encouraging most informs drick UP consensus town operations at These employed mathematical with centre working the of at from anywhere, and, therefore, mosquitoes is gang commence work concrete. difficult to very CuUx chieflybreed report. be to to the keeping dry-weather the the with progress have able startingwork chiefly in attacking consist RESULTS of now Anopheles rocks in men It is be military eral inspect sev- to to nine-tenths cleared already beginning fillinghollows view is Leone, various able in the previously Major Smith, the a Dr. work. will in which had of in Sierra been with while ceasing, now These courses, Taylor or it will perfect its former shortly begin. water gang September, are from Freetown, had and As Corps have mosquitoes, this who specially employed are from as Medical Taylor from men free elsewhere to at and assistance Service, expel mosquitoes to fifty-three. His the in this connection. Royal Army Daniels town the the Two Medical in Freetown Drs. also. the of work Taylor ing includ- employed, number now Dr. given steps a Governor, Colonial the of head the by ot workmen number total also useful able there The rubbish. number on the of the 17th September, mosquitoes diminishing; partially cleared am the people Government APPENDIX in resident of the streets tins that and pots diminution in September, he the streets Anopheles Have also fright. They see only ; those who The valuable in his report work of the the the and All other cautious and I think Altogether with end. be difficult in means find to have Culex true be got a I seldom tropical town a in still to are correct) they The 28th only know. can Daniels those who have the to effect is same familiar are with his will know given important that he is one of observers. trustworthy we the decline, and parts they tropicaldiseases that On the on number considerable a exceedingly to this of Dr. testimony at most in such still scarce. very What again." malaria on untouched getting resided have in the (or Stegomyia, are and now in it is made Stegomyia. are working the ; and once has mosquitoes course Culex for the at also meanings The " that removed been been Of now. As got. have writes, we tell you will Cw/"?^"" the 91 be to reason than more satisfied made. progress ACCOUNTS. It On the the from its Taylor, hammock other and half a and cement, the The pound a School and able each. and Committee C.M.G., Nathan, start with arrange similar work the to was despatched there " a and Governor of Bathurst, Dr. to Bathurst thing which of the and of may eight is for three that of passages, twelve be of lent men roughly put have of expedition, and is exclusive and of the cost fittingout, salary September, accounts oil, the by about at been submitted Gold Coast, I to subscribers. during GEORGE colony. Consequently, whole EXPEDITIONS. Sir in house This Detailed of expensive. very forty workmen, workmen of the wages been The cost of end of carts, services month the at only "304. to passing Bathurst, to has slight. to twenty OTHER On been fittingof the amounted, of the Governor. one of from months, work beginning, including rent items, had has expense wages boys, all this that imagined contrary expedition Dr. be might Denton, the and EVERETT to had visit to my make not a the principal DUTTON, done Gold Major Coast, Myers survey ; and was to of the latter towns Walter preliminary yet been and K.C.M.G., and Gambia in the the to Fellow, of the start ject subsome APPENDIX 92 operations against mosquitoes, of sum Coast, from money Sierra the handsome a with the fund. Leone of money sum has I happy am the accepted be to able to that state of these Details post. to Governor, As the pay the regards Dr. will expeditions at my has Stewart Balfour be a Gold delegate; ofa salary of and specially placed been disposal bya philanthropicalgentleman and of the help in later given reports. APPENDIX. Letter Note. C. from In " Daniels inspected two months after they the above." headings, Daniels, this reading Dr, under W. the letter Sierra had OF little operations commenced. PROGRESS See than more remarks the also Campaign THE that to remember it is necessary Leone been Cantab. M.B. Esq., and Results "Si, Ross. October, \st Dear 1901. Ross, I have carefully examined undertaken with mosquitoes in found are Filaria : view Two Culices Uganda The Leone. fas carrier supposed mosquito is known but Highlands, both does attack not have in number the to and taeniatus) carry East or yellow Filaria of brindled fever. and Shire found, were of also nocturna, and Coast man) been mosquitoes of malaria, carries the on which common (Culex data (I think, fatigans, which which another the works diminution costalis, the Stegomyia Calcutta, various serious Sierra Anopheles " the to Freetown, nocturna. mosquito, and a the but not commonly. A, funestus In of success, of number of the The the not been yet. complete. been ; and overlooked in the or Even the the found works crowned been noteworthy in the houses. in the there themselves undertaken are diminution The a in number of course, are, as of the town, perhaps half, longest under treatment, part parts with diminished. only recently begun, streets, streets a enormously been Freetown. have been considerable A touched. yards adjoining grounds been has has genera operations, having yet far from has as in not efforts your there first two breeding grounds but near opinion, already my large degree the found was still numerous occasional have places not been in breeding have either effective as APPENDIX rainfall the excessive would of them less. be the with them too are The earth much narrow, cuttings labour and work extra also are be a been and most by some prolonged one, and in made. The after rock each tings cut- shower. This fall in. results in and supervision work the impervious importance, considerable as keep to is blocked to in the in Freetown permanent. liable supervision, required, constantly, is has being very Even of great are not of them many the soil is Leone beginning will work importance dry weather, in Sierra season excellent an great part of the A week's a of only in.). 200 breeding grounds place these dealing wet be i.e,,where in. to (x lo destroyed by As, however, for this could of Freetown, circumstances peculiar and with breeding places dealt The 93 done in should be already order. I that suggest broadened, broader this There few are a flush opinion, large other work is complete be are a Exact larg^eamount very far and current. grounds is insufficient to will incomplete that should as places to uniformity of frequently, labour the two Europeans deal is in point work great, to is not be will pools this, permanent. sufficient the is that least at Constant engaged (quite twice of the able prefer- traffic here. spent man be rock it is essential one workmen would the if the by fillingup the prove and much so be of think, suffice I drains done where even edge clear. to been cement, least at has the at will, brick easier are stones ones, ; but and, season larger staff of other they as with so be required, * a where pools, breeding supply water smaller cement stones, wet should and the of persistent a Anopheles for placing large by is necessary, supervision There of of work strengthened The of water, in which with amount broken small when sides greater sides sloping formation liabilityto suitable behind strengthened in my with is water have cases amount things more blocked channel, A small plan adopted is of the bottom, drains. The work in all the drainage system the the at rush the cuttings requisite.* should a rock inches When minimises with even ensures, be the season three least 60". cuttings earth possible,as than will dry the at about at cutting The be to as so inclined being during European for the in the one purpose. supervising present) would, require redoing, I ; think, there and with. not essential, but clearing is of the an channels importance. approximation ; and as this to it will requires to save be done a APPENDIX 94 Towards the springs from which shallow, have been surface the below There is there that sure till there and is a Sierra important few of the I do additional fish the speedily disappeared, wells the as would covers private wells, and could be when in this done be are ; these I notice of tins are as the well the and not a at are an contain infested fish died. the would numerous be costlyand cases. difficultyin closing them smaller a supply number is obtained supply, water they of the one in many water it is of much expected, to removed bottles for will which probably and season, filled filled with being are from certainly fall of the dangerous are Anopheles, contain which disused during water harbour Anopheles up. houses. fillingin pits,but practical experience for breeding grounds dry be overflowing) cases many from pits remaining numerous as pits some adapted (in the require that ground town will which repair so serious Such deep pools of part greater larvae few a the are use but reasons, There the in Those other good direction. Equally dangerous for be substituting for a still of numbers. these of the covers used common, sanctioned. shortly latrines. in would that fish in to with be not there that that them tion condi- Africa. in wells many but ; and districts found were few but are in many public a safe are provide informed but case and wells public ones, will in any placing on I feel obtainable of Central importance, broad larvae uncertain, am of the none two Barracks places experience great found, and broken-down these In larvae larvae Covered I of very be say stream. being Such previous verted con- general waterlogged numerous {costalis) nearest information so are " by be District, and hillydistricts the in from year source. were wells think not the fine weather. ones I think, Wilberforce the with with. dealt definite wells, which in the season any and more Anopheles Leone, Though rains to larvae deal to the Grassflelds the near continued some the are In prevent Pits, usually underground drain a both constant ground of the into in place difficult be numerous Anopheles should, yet, been as others are The Kissy. near similar one will overflow, an leading " places in these permanent with places have, of these None district, and more wells in are constantly running. of them Some covered into is water the there Aureole in this dug and cuttings alone; feet the found. constantly are of Mount foot in. details the mixed Broken the use On these, bottles, of tins gained by assortment as Dr. or is to be on other Taylor others, avoided, points, will be 96 APPENDIX Leone give of conclusion, the principles to have you we an not are This was and purpose cleaning but ; especially the School condition have no ago. of of continue our the will Freetown discontinue if them when remain. that the arrived we for be, former is for course to will The I be the work the to I one local promise materially very town sink to only can choose. this " ultimately, ^then them age drainfor money confidently the give to by ever. can allow " It simply belongs ^properly they " in was in will of that malaria. carry mosquitoes sum we here state is of work then efforts, to mosquitoes large rubbish Medicine, Tropical intention a continue to collection disease doubt opportunity application advisable towns spend to is present tropical prepared to they it the M.B., of that " choose disease I it Our ridding prepared and however, mosquito-borne that they of are not are mosquito-borne If, the We up. and DANIELS, W. again over prove long manner drainage If reduced. into the we the authorities. that in lesson object to established fully personally, practical misapprehension, against undertaking now fact guard for sincerely, very London to you am, C. order then elucidated. Yours In to British I * will infection.* to Medicine, real first Barbadians thanks my Tropical of the liability express the seeing in infection present School of me the wish I Liverpool afforded the malarial indication an In to for requisite that say may add, back the ever, how- adopted. OrigintU Note, BOOKS. On of Publications KocKs Christy's Co., School of of the Royal Medicinische Medicine, State and Mosquitoes Medicine. Tropical Harrison Society; London. Deutsche of Mosquitoes. Committee Lane, ; Journal and 1900; Malaria Papers and Liverpool Martin's St. Sons, the the of Reports and Malaria Wochenschrift, London, Malaria October, Sampson, ; 1899, 1901. " Marston Low, London. Malariakrankheiten Rage's Neveu-Lemaire's Gustav ; H^matozoaires Fischer, du Jena. Paludisme ; Balli^reet Fils, Paris. CellVs Eyre Malaria R61e Mosquito vols. ; Medical in etc., Researches, and the Baltimore Malaria Journals, Journal Gazette, American ; in Journals LaverarCs New in the New and his translated by York. of Spread Disease Detailed Centralblatt ; Johns of History fiir Bakteriolo- Publications, 7 Journal, of from 1896 Lancet, to Indian Tropical the present Medical Medicine, and English. Paludisme and languages, Journal in Parasites Sydenham Mannabergy all Hygiene, the Du in Medical British of On Society's of New London Co., Insects, Theory particularly Martin, " Reports, the to 25-27. Also, time of Hospital Hopkins gie, Green Longmans, ; NuttalVs the according ; Society, Marchiafava vol. CL., Masson Human et Blood. Cie., Paris, translated London. and London. Bignami ; New Sydenham by BOOKS 98 Accounts Brief MansotCs Osier's edition Diseases Tropical Practice Medicine ot Malaria and London Co., " edition. ; last London Kimpton, Henry ; Mosquitoes School Tropical last ; and Marchiafava Medicine ; Bignami Sampson, London Gnats last ; and Malaria on 20th ; Practice Century London.* Low. Mosquitoes. Mosquitoes Mosquitoes Theobald's Celli Revue ; Danielsson, " Sons Bale, John ; edition. Howard's Medicine, French into 1900. On Giles* Trans, pool Liver- and 29th March, Nature, ; Publications. Scientifique, 23rd June, ; of Mosquitoes York. New Co., " Philips McClure, Classification of Journal ; Tropical 15th July, 1901. various La Casagrandi's and d'Igiene Sperimentale, by Cassell ; Subject. Whole (1901). Ross's of the of vol. delle Distruzione IX., Destruction 1899. Annali Zanzare, of Mosquitoes Chemicals. On Hanson's Diseases Tropical Diseases Davidson's and Elephantiasis of ; Cassell Mosquitoes. Co., London. " Climates Warm and Young ; Pentland, Edinburgh. On Medical Feb., * Yellow Journals ; and Fever Mosquitoes. Medical especially Record, i6th York, New 1901. The Italian scientific reader must works are bad in this books be respect, I have that and therefore should the The apocryphal. largely ; warned not, omitted historical works I of think, be them from passag:es B. Grassi included this in of in any of many Rome are list of bibliography. " R. the pecially es- honest Ross. PUBLICATIONS LIVERPOOL OF SCHOOL TROPICAL OF MBMOIR Instructions Residents and of for in the the of modes Malarial of Places. Giving of account 8". 2s. the of use disease the Press University Liverpool. New and much Waher F.R.S., edition^ enlarged Lecturer Myers, in by Report Ronald the Ross, E. and of D.P.H., Austen. Major besides much carry them, which gnats India. in Ross, plates As only be cannot few a II and los. 6d. copies of the renewed, E. of the price first this work important of malaria, to of full-page types. collo- Liverpool. in left are copies remaining the five of Press University School, observations previous and the of parasites maps By and D.P.H., of expedition some four (1899). M.B., the to embodying by Leone Annett, relating matter Sierra to H. account Illustrated Price Quarto. Note." a Forthcoming. " Expedition full D.P.H., F.R.C.S., Ross, Medicine Tropical M.R.C.S., Being containing the Malarial R. Major MBMOIR E. for Fever, short a Price 8000th. prevention. MEDICINE I Prevention Malarious THE has stock, and been the as raised two to guineas. MEMOIR of Report Annett, M.D., Elliott, M.D. the plates, 7s. D.P.H., with 6d. Everett of authors. Filariae Part of the Malarial II. Birds, Filariasis. with numerous the general (1900), text, and B.Ch., Giving a charts, importance. by full H. E. H. J. of account and maps two Price Quarto. Liverpool. MEMOIR Report M.B., ^tXc. in of matter of Press Fever views much Nigeria to Button, Malarial numerous containing University Expedition J. Parti. expedition, and Malarial the III IV Expedition Containing illustrations to Nig^eria many and (1900), new nineteen by the observations plates" same upon five of BOOKS 100 which (by costalis the give and coloured are Dutton). Dr. microscopical Price Quarto. of anatomy 6d. los. the Anopheles of Press University Liverpool. MEMOIR First (1901), Leone Sierra dated October, 15th with 8". date. Note. the Dr. in campaign of Press this Sierra of of Durham, and M.D., died of los. 6d, Yellow the Yellow whilst Fever, the contain Expedition the arrived results of descriptions this on (In Liverpool. Pari to paign, cam- at to further the (1900), (Dr. M.B. Myers, serving of Press University of commencement VI Walter late F.R.S., elsewhere. and Fever the D.P.H., Liverpool. will Memoir Leone MEMOIR Report the in Mosquitoes F.R.C.S., regarding Daniels of parts ag^ainst Ross, details University is. ^Succeeding " of progress from Price R. giving I Campaign Major by 1901, letter a the of Report Progress Part V, H. E. Myers Walter expedition.) the by Price Quarto. Press.) MISCELLANEOUS Malaria of by and All of the by R. Major Institution), delivered discourse A D.P.H., Ross, giving a full M.R.C.S., history of Royal the at (printed 1900 solution the tution Insti- of the problem. Notes LOW Britain Great permission malaria Mosquitoes. on School obtaining: in Parii, by The Yel" Expedition. Fever of Conditions Sanitary the above of to Tropical be had Medicine, from the Bio Honorary Exchange Secretary Buildings, to the Liverpool Liverpool. A List MEDICAL COOKE. Thomas by (Eng.). B.A., in Medicine SURGICAL AND Works F.R.C.S. Works of Cooke, B.Sc. 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House of leadingfeatures this SanitaryNotes. importantwork XIV. : extended series of tables of velocity and dischargeof circular and This is the firstpublishedseries of such tables,based upon etc. and they have been specially calculated for the work. full manner in which all sections of the subjectare illustrated, both by lithographic platesand smaller illustrations in the text. with illustrations of importantworks of Sewerage and Sewage special descriptions, Disposaland the valuable information on the Disposaland Destruction of House Refuse and Sludge. importantinformation on the flow of water in Pipes'and Open Channels. extensive series of Hydraulicand other Tables beyond those justmentioned. that no book Consideringthe grave importanceof SanitaryEngineering,it is remarkable has hitherto been published. dealingwith the subjectin a thoroughand comprehensivemanner In the preparation of the work Colonel Moore has availed himself of valuable information furnished by leadingspecialists in particular of whom is the late branches of the subject, one Colonel Waring, whose work in the disposal of sewage and garbage is described at length. OPINIONS ** OF THE PRESS. engineercan afford to be without a copy of this comprehensive manual of sanitary engineering. " fiiU and complete epitome of the latest practicein sanitary book is engineering ; a gl^ce at the listof authoritiesquoted at the commencement of the work will show how Colonel thorough and how painstaking has been. Moore As a book of reference it is simplyindispensable."Th" Public Health Engtneer. No The . . . . . . . . " . *' Pew than are revealed in the departments of applied science can show greater or more dangerous errors historyof sanitation,but a volume like this shows the immense procuress which has been made, and leads us to think that at last we firm ground are on a great book, mvolving almost infinitelabor on the part of the llie author, and can be recommended as undoubtedly the standard work on the subject. cellent, type is exthe misprints remarkably few, the illustrations in the text most clearlydrawn and reproduced, and the foldingplatesare models of what such platesought to he,"" The Builder. ... . . . ** It is the only book yet received by The of the which presents a good description Engineering Record various biologicalsystems of sewage disposal number of new now attractingso much attention. It contains a large tablesof undoubted value as time and labor-savingaids in computations. tails deIts illustrations of sewer hydraulic ^ well chosen. The in general is treated in an interesting and subjectof disposal manner, of refuse cremation it will be difficult in so convenient a elsewhere to secure book is very good from beginningto end, and will be a valuable addition to the libraiy of any .^ one who wishes to learn the general theory and practiceof so much of sanitary engineeringpracticem Great I'he discussion of various theories of the flow in sewers, Britain as b embraced in its scope. and the tables to assistin applyingthem, is a feature which is alone worth the priceof the volimie." "Engineering^ Recordt New York. are numerous the information on form. The . and systems British^ . Longmans, Green, " Co., 91 and 93 Fifth Ave., New York,