Prehistory of Native Americans on the Central American Land Bridge
Transcription
Prehistory of Native Americans on the Central American Land Bridge
Prehistory of Native Americans on the Central American Land Bridge: Colonization, Dispersal, and Divergence Author(s): Richard Cooke Reviewed work(s): Source: Journal of Archaeological Research, Vol. 13, No. 2 (June 2005), pp. 129-187 Published by: Springer Stable URL: http://www.jstor.org/stable/41053219 . Accessed: 10/07/2012 14:31 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. . Springer is collaborating with JSTOR to digitize, preserve and extend access to Journal of Archaeological Research. http://www.jstor.org JournalofArchaeological Research,Vol.13,No. 2, June2005 (© 2005) DOI: 10.1007/S10804-005-2486-4 ofNativeAmericanson theCentral Prehistory AmericanLand Bridge:Colonization, Dispersal,and Divergence RichardCooke1 TheCentralAmericanland bridgehas servedas a passagewayforanimalsand humansmovingbetweenNorthand SouthAmerica.Nevertheless, afterthefirst wavesofhumanimmigration at theend ofthePleistocene,contactbetweenthe nativepeopleswhoremainedon thisisthmus and otherpeoples livingin continentalareas wherecivilization ultimately developed,is characterized, according tothefieldrecord,bythetransfer and goods,untilca.1400 ofcrops,technologies, BP whenspeakersofMesoamericanlanguagesoccupiedthenorthwestern edge (GranNicoya).Theancestorsofmodern-day speakersofChibchanand Chocoan socialandculturaldiversification within theconfines languagesunderwent mostly the land Precolumbian Some residents altered of bridge. vegetation immediately after firstarrivalat least11,000yearsago, and begantoadd domesticated crops to theirsubsistence between9000 and 7000 BP. Maize and manioc(or inventory outsidetheland bridge,wereintroduced in Preceramic cassava), domesticated times,earlyin theperiodbetween7000 and 4500 BP, and graduallydominated as theybecamemoreproductive, and as humanpopulations regionalagriculture increasedand spreadintovirginareas.Diversity inmaterialcultureis visibleca. 6000 BP, and becomesmoreapparentaftertheintroduction ca. 4500 ofpottery BP. By2000 BP cultureareas withdistinctive inventories are discernible. artifact Between2500 and 1300 BP hierarchies amongregions,sites,social groups,and individuals domswhoseelitemembers cameto pointto theestablishment ofchief demandlargenumbersof costumeand sumptuary goods.A fewspecial centers withstonesculptures and low-scalearchitecture serveda social universelarger thanthechiefdom, suchas clustersofrecently fissionedsocial groupswithmemoriesofa common Social interactions on thelandbridge,endowedwith heritage. 1Smithsonian Unit0948,APO AA 34002,Panama;e-mail:cooker@naos. TropicalResearchInstitute, si.edu,[email protected]. 129 © 2005 Springer Science+Business Media,Inc. 1059-0161/Ö5/0600-0129/0 130 Cooke bottomlands, productive highlandvalleys,and coastalhabitats, appearalwaysto havebeenstrongest amongneighboring groups. KEY WORDS: CentralAmericanland bridge;continuity; Precolumbian agriculture; exchange; chiefdom. INTRODUCTION TheCentralAmericanlandbridge(betweensouthernmost Nicaraguaandthe Juanaxis in northernmost Colombia[Fig. 1]) unitedNorthandSouth Atrato-San Americabetween3.2 and3.7 millionyearsago. It becamean obstacleto marine humansandtheirdogs anda passagewayforterrestrial onesincluding organisms their the Late Glacial and, subsequently, Stage(LGS [14,000-10,000B.P.]) during and and Jackson and Coates Obando, 1996; Lessios, 1993; crops(Bermingham Ranere and and Pearsall, 1998, 209-226, 286-296; D'Croz, 1997; Piperno pp. the fact that the land Less well advertised is Cooke,2003; Webb,1997). bridge's influenced and an orography circulation, positionvis-à-vistropicalatmospheric ofisthmian havecreateda multitude ofmultiple platejunctions, bytheproximity - notonlyof and diversity endemism andinsularlandscapes,whichhavefavored terrestrial plantsandanimalsbutalso ofhumansocieties(AndersonandHandley, Barrantes etal, 1990;Constenla,1991;CroppandBoinski,2000; Herlihy, 2002; 1997). Fig. 1. The CentralAmericanland bridge,showinglocationof Paleoindianand EarlyHolocene sites. preceramic ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 131 The Spanishwho settledthe land bridgeafterA.D. 1502 observedmany onhilltops fromsmallvillageswithhousesscattered kindsofsettlements ranging amidforeststo largetownsin savannasand alongriverswithgardens,closely thefuneralsof chiefsbedecked packedhouses,and smallplazas. Theyattended theirprowess and honoredwithstonetabletsand chantsas befitted withfinery, and position.Theydescribedfieldsof maize and manioc(or cassava), larders withdeercarcasses,andhugecatchesoffishhauledin withcottonand brimming armedwithspearsand wooden sisalnets.Theyfought againstbandsof warriors sword-clubs. by thenumberof NativeAmericanlanguages Theywerestartled thatwerespokenthere(Columbus,1988,pp. 101-103; Oviedo y Valdés,1849, derivedfrom to them,much- butnotall- of thisdiversity p. 235). Unbeknown on the whosecontinualresidenceand in situdivergence an ancientpopulation, andis likelytohaveextendedinsomeareas landbridgespannedseveralmillennia to theLGS. land bridgewere Of course,manysalientfeaturesof the pre-Columbian settled at its northern not Some social who edgeduring groups patently indigenous. thelast ~1400 yearsof thePrecolumbian periodbroughtwiththemlanguages in Mesoamerica.Two cropsthatbecame and socialbehaviorthathad originated - maize (Zea mays)and manioc(Manihot themainstays of regionalsubsistence - developedfromtheirwildancestors incontinental in foci,theformer esculenta) southwestern MexicoandthelatterintropicalSouthAmericabeforetheirancient (ca. 7000 B.P.)dispersalacrosstheland bridge(Iltis,2000; Olsen and Schaal, 1999,2001; Perry,2002b; Pipernoand Pearsall,1998,pp. 120-126, 158-163). are at painsto explainnotonlywhenand how theseand other Archaeologists domesticated theland bridgebutalso plantsarrivedon and dispersedthrough whenand howpottery, and marine shellfinery were metallurgy, lapidarywork, transmitted since thesetechnologiesare demonstrably moreancientin MesoSouthAmerica(Bray,1992;CookeandSánchez,2001; Garberetai, 1993; and/or Guerrero, 1988; Hoopes, 1994b; Oyuela, 1995; Pires-Ferreira, 1975; Snarskis, 1984,pp. 217-218). Althoughit has been claimedthatsome of thesefeatures wereintroduced orcrossedtheisthmus bymigratory people,whoentered byland or sea (Drolet,1980,p. 331; Lathrap,1977;Lundberg,1977/1978;Willey,1971, (Sharer,1984,p. 64) is more pp. 285-286), the"elusive"conceptof diffusion seen as the mechanism their for popularly principal dispersaland acceptance (Bray,1984,pp. 324-327; Fonseca,1997;Linné,1929;Meggers,1997). The followingsummary assesses how thehistoricaldevelopment of landNative American societies has to the dual modes of bridge responded bridge and barrier. It looks at evidenceforthecontinuity of social (or discontinuity) in materialculture, groupson thelandscape,innovations changesin subsistence, andshifting socialinteractions, whether the observed inquiring changescan most be in terms of or continental local, regional, parsimoniously explained peoples, - colonization, andprocesses.Itconcentrates onthreethemes events, dispersaland The thirdofthese,particularly, is relatedtoproduction andexchange divergence. and even as well as withconflict (of food,everyday goods,valuables, people), 132 Cooke sites. Fig. 2. The CentralAmericanlandbridge,showingcultureareasandarchaeological lifethatimpressed the another and cooperation, pervasivedualityof land-bridge "these "When are not remarked Oviedo (1853,p. 140) wagingwar," Spanish. they natives[ofDanen] spendtheirtimemakingpactswitheach otherand bartering all theirbelongings." as radiocarbon datesarepresented Pre-Columbian (B.P.). yearsbeforepresent 2a in their calibrated B.P. followed 14C dates are B.C./A.D. by given years Specific Hood were Darden and [BetaAnalytic].) (Calibrations provided by range intercept. insteadof'theAguadulce I usebriefnamesforsites(i.e.,AguadulceandVampiros Shelter'and 'Cueva de los Vampiros')(Figs. 1 and2). MIGRATIONS, FOREIGN INFLUENCES, AND LOCAL DEVELOPMENT to haveproposedfancifulVölkerwanderung Even respectedarchaeologists For Uhle land on the culture example, pre-Columbian bridge. change explain tradition ofcentralPanama theGranCodé polychrome (1924) attributed pottery fromSouth (Sánchez,2000) to theMaya,Lothrop(1942a, p. 258) to wanderers or Ecuador. from Colombia to warriors and Ichon America, (1980,pp. 314-325) and Mason Kidder Caamaño (1940,p. 76) popular(1940,p. 458), (1943), Jijóny thatrecentimmigrants ized the idea amongarchaeologists broughtChibchan Kirk also and continental Colombia from McDermid,1974). (see languages Snarskis(1981,p. 84) relatedcertaincultural changesincentralCostaRica tothe ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 133 ca. A.D.500-700 of foreign(probablysouthern) "apparentintromission peoples andtradition" modelsenvisagepre-Columbian cul(myemphasis).Less dramatic turehistory as a waxingandwaningofinfluences fromnorthandsouthas though thelandbridgeweresolelyan appendageto orderivation of continental cultures (Baudez,1970;Baudezetal, 1993,p. 1; Snarskis,1984,pp.204-206,220; Stone, 1977,pp. 174-184;Willey,1971,pp. 259-260). In contrast, someof theearliestwritings influenced by Boasian paradigms Native proposedthat,in spite of the colonial experience,some present-day Americanpeoplesof theland bridgeand thoseresponsibleforprecontact culturesrepresented a historicalcontinuum (Holmes, 1888; Joyce,1916, pp. 90152). This directhistoricalapproach,which,simplyput,meansworkingback intoprehistoric timefroma documented historicculture(Willeyand Sabloff, 1974,p. 114), was acceptedby culturalecologistJulianSteward(even though hisexampleof deculturation betweena pre-Columbian archaeologicalculture - theKuna- was ill-chosen)(Linares,1977b, Codé- and a postcontact ethnia over pp. 78-79; Stewardand Faron,1959,pp. 224-300). It has beeninvigorated - and muchmoreeffective - collaboration thelast 20 yearsby thegrowing betweenarchaeologists and the practitioners of otherhistoricaldisciplines,i.e., humanpopulation andhistorical paleoecologists, geneticists, linguists. Since WorldWarII, theprovisionof settlement data derivedfrom pattern of or features systematic pedestrian surveys particular regions macrogeographical and of long regionalartifact 14C dates has acted as a sequencessupported by thatappealto external and techpalliativeto hypotheses populations, ideologies, forculturechange.Forexample,manyresearchers nowpronologiesas catalysts that the in time and of ceramics from more pose gradualdivergence space widely is a robustconfirmation of autochthonous spreadandmoresimplepredecessors of specificsociocultural regionaldevelopment's beinga powerfulconditioner on the land 2000; trajectories bridge(Corrales, Hoopes, 1992a, 1994b;Linares, 1980f;Sánchezand Cooke,2000). Lithicstudies,whichin theArenalregionof CostaRica andin centralPanamacovermaterials thatextendbackintotheLGS, haveled to similarproposals(Ranereand Cooke, 1996; Sheets,1994a,p. 252). The terms"conservative," "stable,""indigenousphenomena," "stronglocal traand "resistant to change. . . and externalinfluences" are appliedto the ditions," relevant artifact sequences(Bray,1984,pp. 308-309; Hoopes, 1992a,pp. 70-73; 1984b, Lange p. 191; Lange et al, 1992, p. 278; Sheets,1992, p. 33, 1994b, p. 325). in theneotropics sincethe Paleoecologicalstudies,whichhaveproliferated to reconstruct theimpactof humansettlement 1960s,haveenabledresearchers and agriculture on thevegetation of a growingnumberof watersheds alongthe landbridge.Some of theserecordscan be comparedwithmaterialculture,settlementpatterns, and data aboutplantand animalusage obtainedby archaein the same areas,e.g., centralPacificPanama (Pipernoand Pearsall, ologists 134 Cooke Costa Rica (Hornand Kennedy,2000; Northrop and Horn, 1998), southeastern 1996),andhighland Chiriqui(Behling,2000). Otherpaleoecologicalrecordsrefer to areas whosearchaeologyhas been poorlyor neverstudied,e.g., thecentral CaribbeanofPanama(Piperno,1985,1988,pp.202-210),thenarrow plateauthat extendswestwards fromPanamaCitytoPuntaChame(PipernoandJones,2003), theColombianChocó (Berríoet al, 2000), and theeasternDarién(Bush and Colinvaux,1994; Catat,1889; Piperno,1994). People livedin one Panamanian watershed from~ 11,000B.RuntiltheSpanishsettlement (La Yeguada)continually of thecentralhighlandsaroundA.D. 1550 (Castillero,1994; Cooke, 1993) after whichforest overa millennially regrowth impacted landscapeis paleoecologically striking (PipernoandPearsall,1998,Fig. 5.8). The directhistorical fromresearchprojectsthat approachalso has benefited addressthephylogeny of surviving NativeAmericantribeson thelandbridge. TenmodernNativeAmericanpolities,as wellas fivewhosepostcontact language loss has beendocumented (Huétar,Dorasque,Chánguena,'Muoi,' and 'Cueva') (Constenla,1991,pp. 31, 47; Pinart,1882,pp. 1-3; Romoli,1987,pp. 69-91), speak(orspoke)languagesthatConstenla(1991,pp. 15-46) assignstotwogroupmorehistorically relatedin deepertimeto each otherthanto ings,themselves families: the Chibchanstockof the Chibcha-Payaphylanguage neighboring human lum(henceforth Historical Chibchan)andtheChocoanfamily. linguistics, that and concur populationgenetics,ethnohistory, ethnopharmacology presentan ancientpopulationstretched alonga narrow, dayChibchanpolitiesexemplify et al, diversecorridor 1993;Barrantes (Arias,2003; Barrantes, environmentally 1990; Batistaet al, 1995; Kolmanet al, 1995; Thompsonet al, 1992; Torroni etal, 1993,1994).Theirfissioning andfusingis envisagedas havingtakenplace in or near the regionstheynow occupy(southernNicaraguato northwestern alludesto populationbottlenecks that Colombia).Theirlow mtDNAdiversity notonlybytheeffects of Spanishconquestbutalso bypreconwereconditioned tactprocessesrelatedto earlierdivergence, i.e., smallfounderpopulationsize, social and physicalisolation,and geneticdrift(Batistaet al, 1995; Kolmanand 1997). Privatepolymorphisms amonggeographically contiguous Bermingham, that divergedlanguages(e.g.,theNgobéandBugle) show groups speakrecently witha betweenpopulations social barriers thatfissioning couldlead to effective - sufficiently well into to have extended it commonancestry long-lived, seems, Kolman and time 1993,pp. 111-176; Bermingham, pre-Columbian (Barrantes, 1997;Layrisseetal, 1995).ThisarguesagainstthenotionthatSpanishconquest societiesso muchthatpresent-day i.e.,theKuna, tribes, disrupted pre-Columbian arepostcontact (Stier,1979). hybrids A recentstudycompareddivergencein potterystylesin Costa Rica and Chibchans(Corrales,2000). of resident Panamawiththephylogeny present-day ofthefissionAnother assesseda regionalarchaeological sequenceinthecontext and of the radiations and Ngobé) of 'Guaymf(Bugle ing,dispersals, adaptive ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 135 forebears Panamaandtheirpurported western (Linares,1977a,1980a; prehistoric andMarcus,1983). Linaresetal, 1975;cf. Flannery The ChocoanEmberáandWaunáan,residents todayof easternPanamaand affiliations with tohavetrans-Andean northwestern Colombia,wereoncethought the 'Carib' and Kayapo (Kirkand McDermid,1974; Rivet,1943/1944).More on an ancientpopulationcentered recentstudiesindicatethatthey,too,represent cordillera ofColombia andadjacentpartsofthewestern theAtrato/San Juantrench etal, 2002; Salzanoand 1991; Jorge-Nebert (Arias,2003;ConstenlaandMargery, 1988). Like theChibchanKuna,theyhave movedwestward Callegari-Jacques, of theprecontact acrosstheDariénand San Bias in thewake of theextinction inthefaceofnativeresistance CuevanpolityandofSpanishwithdrawal (Herlihy, 1997;Romoli,1987,pp. 23-24, 50-55; Wassén,1963). AlthoughtheChocoans' divergencefromChibchansoccurredlongerago withintheformer estimatesformajordivergence thancurrent (Kaufman,1990; KolmanandBermingham, 1997),distinctions amongpolitiesthatspeaklanguages believed.For exassignedto each of thesegroupingsare weakerthanformerly lackor haveverylow frequencies ample,sampledmodernWaunáanpopulations of theDiego (Dia) antigen,considereda typicalChibchangenetictrait(Arias, et al, 1990; Layrisseet al, 1995). People who spokeChocoan 2003; Barrantes of languagesprobablyresidedin easternPanamaat contact.A shortvocabulary theCueva"language"containsa fewwordscognatewithmodernKuna,andmore withparallelsin contemporary Waunáan(Constenla,1991,p. 45, 1995,p. 23; Loewen,1963,p. 245; Romoli,1987,Table5). Atthenorthern lakesandinthe edgeofthelandbridge(aroundtheNicaraguan was quitedifferent. TempisqueValley)thesituation Peoplewhospokelanguages - Chorotega(Mangue), Subtiaba belongingto threeMesoamericanfamilies (Tlapanec),andNicarao(Nahua)(Constenla,1994)- settledhereduringthefinal - welldocumented millennium. Theirincursions pre-Columbian ethnohistorically - respondedto complexdemoand historically, but difficult to date precisely 1981; (Abel-Vidor, graphicandpoliticaleventsinMesoamericaanditsperiphery Fowler,1989,pp. 34-70; Healy,1980,pp. 19-34). Some specialistsunderline theseimmigrants' lackof important Mesoamerican culturaltraitsandplaydown theirMesoamericanization of local cultures(Lange, 1993; Lange et al, 1992). and linguistics, however,elucidatetheirhistoryand Archaeology, ethnohistory, social behaviorwithdifferent emphases(Fowler,1989,pp. 131-151,227-248). on the coloredpolychromes arederivedfrom Ideograms painted region'sbrightly Mesoamerican 1984, 103-117, 144-152; religion(Day, pp. Healy,1980,p. 236), howeverdilutedormeaningless time(Lange,1971,p. 231; theybecamethrough Langeetal, 1992,pp. 271-272). Sixteenth A.D.documents also referto "Mexican"tradingcolonies century locatedatorjustafter contactdowntheCaribbeancoastofCostaRica andPanama as faras Nombrede Dios (Jopling, 1994,p. 32; Lothrop, 1926,1,p. 10;Torquemada 136 Cooke theirethnicidentification is debatable, folk 1969,1,p. 333). Although postcontact memoriessuggestthatsome of themwereinvolvedwithexpandingAztec and in thearea (Fernández,1886, pp. 235-237; Healy,1980, Maya tradeinterests p. 23; Lothrop,1942b;Pinart,1900). PASSAGE, SETTLEMENT, AND THE BEGINNINGS OF PLANT CULTIVATION (LGS- 7000 B.P.) Since it is unlikelythatthe firsthumanimmigrants intoSouthAmerica land direct sea the crossings(Dillehay,2000, p. 61), skipped bridgeby making and paleogeography of theearliesthumanoccupationis important theantiquity forunderstanding thetimingand natureof humandispersalsintothiscontinent. foraddressinga The narrowness of the isthmusenhancesits appropriateness in versus inland and current debates: coastal fundamental question migrations Keefer et theiraccompanying subsistence orientations 2000; al, 1998; (Dillehay, Sandweissetal, 1998). enteredthelandbridgeearlyintheLGS. Two surfacePeopleprobablyfirst werefoundinlandneartheConticollectedJobo-like projectilepointfragments nentalDivide(La Yeguada[Pearson,2002, Fig. 38c] andLake Alajuela [Ranere and Cooke,2003,Fig. 5d]). I predictfromVenezuelanevidence(Cooke, 1998b; will confirm thistenuousindicationof Jaimes,1999) thatfutureinvestigations a protoArchaicand pre-Clovispresence{sensu Dillehay,2000, pp. 8, 128133). - hunter-gatherers wholived Evidenceis morewidespreadforPaleoindians and hunted 1 made fluted large projectile points, approximately1,500-10,000B.P., animals(Haynes,1992;Politis,1991;Ranere,2000). Evenso, fewburied extinct associationshave eluded ar14C-dateddepositsare known,and human-fauna Pacific At Panama),thereare no indications chaeologists. Vampiros(central of a humanpresencein sediments depositedbetween15, 190 ± 60 B.P.(16,640 dateof a thin cal and [16,210]15,820 B.C.) occupationfloorwitha bulksediment 11,550 ± 140 B.P.(12,080-11,980[11,520]11,950-11,200cai B.c.). In soils depositedoverthisfloorandbeneatha charcoaldateof8970 ± 40 B.P.(8260 [8230] flakestypicalofClovisreduc8200cal B.C.)Pearsonandhisteamfoundovershoot endscraper, a thumbnail a tiontechniques (cf. Ranere,2000,Fig. 3c-f), spurred fluted American fishtail to South blade similar fluted and a bifacial point scraper, flakes and Pearson Cooke, 2002). Thinning points(Pearson,2002, pp. 67-71; werefound detailstypicalofPaleoindianbifacialpointmanufacture withtechnical Pacific and of Corona in the stratified basal deposits Panama) Aguadulce(central datedat the formersite to 10,440 ±650 B.P.(11,750 [10,400] 8090 cal B.C.) and at thelatterto 10,675 ± 95 B.P.(cal B.C.10,869-10,408)and 10,529 ± 284 B.P.(cal B.C. 10,700-10,263)(Cooke and Ranere,1992b; Pipernoet al, 1991, 2000). ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 137 These archaeologicalfindsoverlapat 2<rwitha categoricsignalforsudden humanactivitiesin theoak-ilexforestsaroundLake La Yeguada ~ 11,000 thereis no evidenceforhumanactivitiesduringthe B.P.,where,as at Vampiros, 3000 years(Pipernoand Pearsall,1998,pp. 175-179). Theyalso are previous coevalwithNorthand CentralAmericanarchaeologicalsiteswherestonetools wereused (Cooke, 1998b; Gruhnet al, 1977; Ranere of theClovis tradition and Cooke, 2003). Pedestriansurveysaroundthe La Yeguada lakeshoreidenof Clovis and slightlylaterassemblages(i.e., a tifiedstonetoolscharacteristic flutedElvirapoint)(Cooke and Ranere,1992c,pp. 252-262, Fig. 2; Gnecco of Cloand Mohammed,1994; Pearson,1999a,b).Evidencefortheproduction vis flutedpointsand otherstonetools comes fromthreesites:La Mula-West are uniquelyClovis, and SitioNieto(centralPacificPanama),whoseindustries andTurrialba(CaribbeanCosta Rica), whichincludesClovis-likematerialsand laterassemblages(Cooke andRanere,1992c,Figs.4 and5; Pearson,1998,2003; Ranere,2000, pp. 114-119). Ranereand Pearsonproposethattechnicaldetails debrisat La Mula-WestandSitioNietopointtoexhibited bytoolsandworkshop wardsearlyClovis.A dateof 11,300 ± 250 B.R(1 1,910-10,880[11,230]10,770without tools,foundon 10,710cal B.C.)was obtainedin the1960s fora hearth, thehightidalflatwheretheLa Mula-Westsite is located(Crusoeand Felton, 1974). with Lake and bog sedimentanalysesfromtheland bridgeare consistent in from the which reconstructions elsewhere point paleonvironmental neotropics, and atmotowardssignificantly diminished sea and landtemperatures, rainfall, altitudinal depression sphericCO2 (vis-à-vispresentvalues),and a concomitant of vegetation zones untiltheonsetof warmingconditions(10,000-8,500B.P.). Worldwide LGS climaticoscillations(e.g.,YoungerDryas) aredetectableabove 3000 m in thepollenrecord,butnotat lowerelevations(Bush and Colinvaux, et al, 1992; Islebe and Hooghiemstra, 1990; Hooghiemstra 1997; Islebe et al, and 1995; Leyden,1995; Piperno Pearsall, 1998, pp. 104-105; Pipernoand since studiesof the Cariaco Basin Jones,2003). However, paleoceanographic of Venezuelashow a 3^° reductionof sea surfacetemperatures and increaswind the trade this chron exing velocityduring YoungerDryas, presumably ertedsome influence on lowlandclimatealongtheland bridge(Hughenet al., 1996; Lea et al, 2003). A reversalof sea level rise duringat thistimewould be significant forthe locationof humanactivitiesin now submergedcoastal areas.2 Paleoindiantoolsoccurin CentralAmericain severalpaleobiomesincluding páramoin Guatemala(Gruhnet al, 1977; Pipernoand Pearsall,1998,Fig. 4.1; RanereandCooke,2003). Paleoecologicalevidencefora latePleistocenegrassy savanna'sreplacement has beenacquiredat a lowland bya Holocenemesicforest 2A Paleoindianbifacial at '40-50 feet'near pointbladewas dredgedin 1963frommarinesediments Balboa at thePacificentrance tothePanamaCanal (BirdandCooke, 1978b,Fig. 2b). Cooke 138 Pacific-side lakein Panama(MonteOscuro)(PipernoandJones,2003). It is harcoredataforextensiveopenLGS habitatsin Guatemala moniouswithsediment and Venezuela(Curtiset al, 1999; Leyden,1995; Leydenet al, 1993). By exCostaRica fromtheseandotherrecordsPaleoindiansitesinnorthwest trapolation and centralPanamawouldhave been locatedin xericopen or scrubbyhabitats bands(Lynch,1983). Sitesof of hunter-gatherer conduciveto rapidmovements farPaleoindianage nearParitàandPanamaBays wouldhavebeenconsiderably therfromthecoastlinethantheyare todayas sea levelshad notyetcoveredthe Othersiteslocatedin areas above 500-700 m gentlyslopingmarineplatform. >1500 mmwouldhave been situor in lowlandswithan annualprecipitation La atedwithinforests Turrialba, Yeguada,Lake Alajuela,andBahíaGloria) (e.g., and Ranere Snarskis,1979). These would have Cooke, 2003; 1983; (Correal, notonlybecausethe different frommodernforests, been floristically however, LGS climatewas coolerand drier,butalso because megamammals foragedin them(JanzenandMartin,1982; Owen-Smith, 1987;PipemoandPearsall,1998, wind velocityincreasedduringthe YoungerDryas (Hughen p. 171). If trademoremoistthat et ai, 1996), Caribbeanslopes wouldhave been considerably ones. Gomphotheres, Pacific-side horse,and groundslothswerepresenton the late Pleistoceneland bridge(Alvarado,1994; Pearson,2002, in press;Webb, 1997). Althoughtheyhave not yetbeen foundwithhumanculturalremains, theywerehuntedinColombiaandVenezueladuringPaleoindiantimesandbefore (Correal,1981;Dillehay,2000,pp. 157-160;Jaimes,1999;OscheniusandGruhn, 1979). andcolonization controlforinitialhumanpassagethrough In sum,temporal to add supportive butis stilltoo imperfect ofthelandbridgeis slowlyimproving ofLGS lithic dataforalternative i.e.,(1) thesequentialdevelopment hypotheses, -* -* the total or partial versus fishtail Jobo Clovis traditions (2) (El points) subsistence different traditions and other of these reflecting, perhaps, synchrony and bands withdissimilarculturalorigins(Dillehay,2000). Neither strategies at theClovis timeperiodbetween(1) a directional is it possibleto distinguish movement of a culturally population(i.e., a Clovispeoplemoving homogeneous into South from North America)and(2) constant exchangeoftechnologquickly buthighlymobile ical information heterogeneous, culturally amongwidespread, Clovis bands(a horizon). technological afterClimateChange? Continuity thatpeople remainedon theland bridgeduringand after The hypothesis from Holoceneclimaticandgeomorphological support changesreceivesstrongest inrecordat La Yeguadawherehumandisturbance thelongpaleoenvironmental at a timewhenrainfallwas increasing tensified (Pipernoand Pearsall,1998,pp. ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 139 betweenLGS and early 175-179). Archaeologicaldata thatsupportcontinuity arerestricted to highlandCosta Rica and centralPanama. Holocenepopulations unfluted Stonetoolsthatwouldbe classifiedas Archaic(i.e.,tangedandstemmed, projectilepoints,and limacescrapers)in otherareasof theAmericasare scarce whereintensive footsurveyshavebeenconducted(Acuña,2000; butwidespread Cooke and Ranere,1992c,fig.6; Pearson,1999a,b;Ranereand Cooke, 1991, pp.248-249,1996,Figs.3.4 and3.5; Sheets,1994a,pp.233-234; Snarskis,1984, as well as thinning flakesderivedfrombifacial p.197). Thesekindsof artifacts, infivecentralPanamarockshelters arepresent whoseoccupapointmanufacture, tionsdatefrom10,500to7000 B.R(Figure1; Pearson,2002; Pipernoetal, 2000; Ranereand Cooke, 1996). The demiseof thebifacialreduction of chalcedony alludesto thephasingoutof hunting animalswithstone-tipped spearsand,preinsilica-rich stone sumably, By ~7000 B.P.,bifacialtoolswrought spear-throwers. vanishedfromtheland-bridge after~2000 B.Rin the record,to be reintroduced CostaRicancordillera butnot,as faras we know,farther south(RanereandCooke, 1996;Sheets,1994a,p. 234).3 theantiquity, nature,anddispersalofdomesticated Currently, plantsin both Old and New Worldtropicsand of themeaningand evolutionary and historical relevanceof conceptssuch as cultivation, and agriculture are behorticulture, in reassessed the of for research, ing light paleoecological improving techniques remains and and identifying plant taxonomically developmentally, increasingly studiesof thegenetichistory of cultigensand theirwildforebears sophisticated ed.,1996;Pringle,1998;PipernoandPearsall,1998;Rindos,1984;Smith, (Harris, intomanytrop1998,2001b).Itis clearthatdomesticated plantswereincorporated ical subsistence not after Holocene climatic systems long changessetin.In some areascultivation led to geneticand ecologicalmodifications of cultigens, and to levelsofforest clearancethatcanbestbe describedas agricultural, wellbeforethe introduction ofaspectsofmaterial culturethattraditionally havebeenconsidered sinequa nonoffarmers, suchas polishedstoneaxes andpottery (Denhametal, and 2003; PipernoandFlannery, 2001; Piperno Pearsall,1998,pp. 175-182;Pohl etal, 1996;Pope etal, 2001). Sincemost(butnotnecessarily all) ofthe100orso pre-Columbian cultigens weredomesticated in Middleand SouthAmericaand sincesomeofthesecan be tracedtospecificgeographical areasonthesecontinents (Harlan,1992),datafrom theland bridgeare important forunderstanding whenand how theydispersed northand south.Multiproxy analysesof archaeologicalsoils and stonetools 3JuliaMayo (2004) reportssmallbifaciallychippedwedgesfroma workshopused to prepareshell beadsatCerroJuanDíaz (1400 B.P.).After~1000 B.R,pointedtoolswiththreefaceswereproduced in centraland westernPanama.In illustrations (e.g., Einhaus,1980,Fig. 15/4;Ranereand Cooke, of westernPanama 1996,Fig. 3.9) theyappear bifacial,buttheyare not The Talamancatradition (6800-4300B.R) producedbifacialwedgesandaxeliketoolsinbasaltsandandésites(Ranere,1980c, forlaterpolishedaxes madeoutofthesamematerials. Fig. 8/4).Thesemaybe prototypes 140 Cooke datedbetween9000 and 7000 b.r at threecentralPanamaniansites(Carabali, Vampiros,and Aguadulce)indicatethatbottlegourd{Lagenariasiceraria),arrowroot (Marantaarundinacea),lerén{Calatheaallouia),anda squash(probably Cucurbitamoschata)werecultivated duringthisperiod.The bottlegourdis of itspresumably seabornedispersalto Africanorigin,butitis notknownwhether Americaoccurredbeforehumansarrivedon thiscontinent (Sauer,1993,pp. 5153). The botanicaland ecologicalreasonsfortheirbeingdomesticated by 7000 B.P.have been amplydiscussed(Piperno,1998,in press;Pipernoet a/.,2000a; PipernoandHoist,1998;PipernoandPearsall,1998,pp. 213-217;Pipernoetal, abovearelocatedin 2000b; Sanjuret al, 2002). Sincethethreesitesmentioned an area thattodayreceivesless than1500 mmannuallyandhas 4-5 monthdry dataaccordwithsubstantial molecular, seasons,thesepaleobotanical ecological, and hybridization evidence,whichindicatesthatwildancestorsof manyimportantlowlandtropicalcropplantsare nativeto seasonallydryand neverhumid withthehypothesis tropicalforests(Piperno,in press).Theyalso are consistent distributions ofwildcarbohydrate andscattered thatthescarcity, lowproductivity, resourcesin un-or minimally early impactedNeotropicaldryforestsstimulated 55and in foodproduction Pearsall, 1998, 1989, pp. Piperno press; (Piperno, 61). Some carbonizedremainsoftreeproductsalso wererecordedat Aguadulce and and Carabali:palm nuts(Attalea,Elaeis, Acrocomia),nance{Byrsonima), this situaand fruits Ranere, 1992b). (Cooke Ostensibly, zapote (Sapotaceae) of gardensin whichthereare as with"small-scalecultivation tionis consistent for Harris's ones" as domesticated wild (1989, p. 20) definition many species - and withSmith's(2001a) conceptof low-levelfoodproduction. horticulture increasein secondary Even so, thedeclineof treecoverand thecorresponding fromtheLa Yeguadarecordbetween11,000and treetaxa thatcan be inferred wereofa inthiswatershed 7000 B.P.showsthat,bythelatter date,humanactivities The distinction forest curtailed to have scale regrowth. effectively sufficiently large treetaxais, besides,a statein theaforementioned betweena wildandcultivated forests Panamanian ofAcrocomiainestablished subtleone.Therareness suggests domesticate as an allochthonous the land entered thatthiswidespread bridge palm humanselection (Janzen,1983; Piperno,1989). C. E. Smith(1980) identified timeat archaeologicalsitesin Chiriqui(western fruitsize through forincreasing Panama). dataareassessedtogether, In sum,whenpaleoecologicalandarchaeological a good case can be made forthe continualoccupationof the seasonallyarid centralPacificplainsand foothillsof PanamabetweentheLGS and 7000 B.P. alludeto theculturaltransformations Certaindetailsof thestonetoolinventory of a residentpopulation,whichbeganto add cultivated plantsto wildfoodreandcentralCostaRica,therealso is evidence sourcesafter9000 B.P.In northern of populationsalthoughthisarea lacks thesupportof vegetation forcontinuity history. ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 141 AGRICULTURE, DISPERSALS, AND FARMER/FORAGER INTERFACES (7000-2500B.P.) in areaswith If plantdomestication and cultivation beganin theneotropics movedintomoister a well-defined dryseason,one wouldpredictthatfarmers laterin timeas a consequenceof landshortageand decliningsoil environments in tandemwithgradualadaptationsof the plantfoodsto human and fertility and (HansellandRanere,1997;Linaresetal, 1975).Inthe manipulation transport - wheretodaythereis a short, lowerChagresValley sharpdryseason- Caribbean forests and 5000-4000 B.P.(Bartlett beganto be felledand burntapproximately Bartlett et In the 1985, 1988, 1973; al, 1969; 208-209). Barghoorn, Piperno, pp. easternDarién(Cana, upperTuyraValley),forestclearingwithfireis apparent in sediment coresbythetimethesampledlakesbeganto fillwithwater(~4000 The ofmaizepollenheresuggestthat,as atLa Yeguada, B.P.)- highconcentrations of thedry thiscropwas intentionally plantedat thelake edge at thebeginning season(Bush and Colinvaux,1994; Piperno,1994; Pipernoand Pearsall,1998, dataprevents an assessment ofthecultural p. 226). The paucityofarchaeological ofthepeoplewhomovedintothesewetter forests. affiliations SedimentsfromLa Yeguada datedto 5860 B.P.containpollen of a size (>90 micronsin length)thatunequivocally belongto maize.A singleCucurbita a cultivated from phytolith "probably species"datesto ~6000 B.P.(Pipernoand Pearsall,1998,p. 225). Maize,manioc,squash{Cucurbita),yam(Dioscoreasp.), and possiblybean (Phaseolus) occur as plantmicrofossils in late preceramic middens at and on stone tools stratified within (7000-4500B.P.) nearbyAguadulce them.Maize and arrowroot werecultivated on thehillslopesnearLadronesand maizenearLos Santanasduring thisperiod.Inpreceramic depositsdatedtoshortly before7000 B.P.at Aguadulce,Pipernofoundphytoliths thatoriginated fromthe cobs of a primitive maize race thatprobablypossessedharder(morelignified) also suggest glumesthantypicallyfoundin extantmaize varieties.Phytoliths a changefromharder-to softer-glumed maize varieties,and possiblysmallerglumedstrains,shortlyafter7000 B.P.Such changeswould have made maize easiertoprocess.Starchgrainevidenceindicatesthatmaizewas beinggroundat thissiteby~7000 B.P.(Piperno,1993,2001; PipernoandPearsall,1998,pp. 209227,221-225,286-297; Pipernoetal, 2000b;PipernoandHoist,1998). How maize,manioc,and moschatasquash,whichweredomesticated outside theisthmus(Iltis,2000; Nee, 1990; Olsen and Schaal, 1999; Sanjuret al, con2002),wereoriginally acquiredis an unanswerable question:down-the-line tactamongcontiguous settled in savannas and forest populations dry edges,and accordsbetterwiththeavailabledata alreadyaccustomedto planthusbandry, thando humandiasporaefromcontinental areas by land or sea (Drolet,1980; Ranere and in theory, thesecould Cooke, 1996,p. 73), although, Lathrap,1977; haveoccurred. 142 Cooke In thispartof centralPanama,mostsitesthatcorrespond to thelatepreceramicperiod(7000-4500 B.P.)arelocatedon thePacificslopes> 15 kmfromthe coastandgenerally on spursnearstreams andrivers(CookeandRanere,1992b,c; infavorofhillskewssitedistributions Weiland,1984).(Holocenesedimentation ofthisarea,however, makesit slopesandagainstriverbottoms.)The geography easyforthesamepopulationto takeadvantageof theresourcesofrainfallfarma seasonalactivity)withpalmnutand (May-August)nancefruit ing(definitely collection,hunting(mostlydeer),fishingin riversand estuaries,and gathering shellfish and crabs.Frankly, current datacannotdistinguish between(1) an annualsubsistence roundthatcontemplated theseasonaloccupationofcoastalsites likeCerroMangoteandhillslopeoneslikeAguadulceandLadronesbythesame socialgroups(cf.Voorhieset a/.,2002), and (2) theexchangeofhabitat-specific resourcesamonga dispersed, butsociallyintegrated relatively sedentary population(Cooke, 1984; McGimsey,1956; McGimseyet a/.,1986/1987;Ranereand researchhas documented notonlythevariety Hansell,1978).Archaeozoological and abundanceof littoralvertebrates and invertebrates, whichwereavailableto theregion'sinhabitants after7000 B.P.as postglacialsea-levelrisedroppedoff et also theinlandandtranscordilleran but of shellfish al, 1984), (Clary transport and- duringthesubsequent ceramic smallestu(4500-2500 B.P.) early period arinefish(Cooke,1995;Cookeetal, inpress;CookeandRanere,1992a,c,1999; andCooke,2001; RanereandHansell,1978).Longwindy Hansell,1979;Jiménez seasons around Parità fish,and Bay are ideal forsaltingand dryingshrimp, dry and sizes offishspeciespresent meat(ZoharandCooke, 1997).The distribution in preceramic and earlyceramicmiddens,as well as thetotalabsenceof fishing are withtheuse ofbarrier zones,which trapsin intertidal implements, consistent Cooke and Tapia, biomasses of 2001b; capturelarge aquaticorganisms(Cooke, field for them been found. The narrowness of even evidence has not 1994), though ofitscoasts,andtheease withwhichfoodscanbe contheisthmus, theproductivity forthedietary inlandhaveobviousimplications servedandtransported well-being communities of land-bridge (cf. Linares,1980a, throughout farming prehistory p. 246). Potteryand CultureChange culturalrecord,reprehad appearedin theland-bridge By 4000 B.P.pottery tradisentedby twogeographically disjunctand,in myopinion,verydifferent tions:Monagrilloin centralPanama(4500-3200 B.P.)(Cooke, 1995; Willeyand innorthwest CostaRica (4000-2500B.P.) McGimsey,1954) andEarlyTronadora thatMonagrillowas derivedfrom (Hoopes, 1994a,c).It cannotbe demonstrated coeval pottery complexesin SouthAmerica{contraFonseca, 1997; Meggers, ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 143 1997; Willey,1971). It has notbeenfoundeast of theEl Valle massif.4Neither has itbeenrecordedalongthewesternAzueroand Chiriquicoasts,whichwere inthe1960s(Linaresde Sapir,1968;Ranere,1968).It surveyed quiteintensively to coastalhabitats{contraWilley,1971; Willeyand McGimsey, is notrestricted 1954) havingbeenfoundat sitesin thecordilleracentraland in theveryhumid of theRiverCoclé del Nortewhere,at Calavera,Monagrillosherds headwaters balsam(Humiriastrum wereassociatedwithcarbonized daguense)seedsdatedbetween3450 ± 40 B.Rand3150 ± 50 B.P.(fourdates,2a range:cal B.C.1770-1395) forcutting andburning the (Cooke,1995;Griggs,1998).The farmers responsible used kind of forests this pottery. Chagresvalley probably in Hoopes (1995) andPratt(1999) havearguedthatpeopleadoptedpottery SouthAmericabecause theywerechangingthe CentralAmericaand northern shared,andstoredfoodsandliquids.Theincreasing waysinwhichtheyprepared, such as gourds(Lagenaria, of sufficient plantcontainers, difficulty providing in at the moment an Crescentia), increasingly populatedlandscapemay right looks like a firstattempt Wherever it is found,Monagrillopottery be relevant. Its scarce decorations are not to makeclaypots. (cf. ideographically impressive Pratt,1999). Pétrographie analysessuggestit was an expedientitemmade with 2003). Its appearance locallyavailableclays (Griggs,personalcommunication, was notaccompaniedbynotablechangesin thestonetoolinventory (Cooke and Ranere,1992b;RanereandCooke,1996). in humanpopulationsize withrespectto thelate preceramic, Differences ofmoreproductive foodplants, whichmight reflect thedemographic repercussions aredifficult to assessawayfromthecoast.AlongtheParitàBay littoral, however, and also largerthanlate preceramic ones earlyceramicsitesare morefrequent covers (Cooke andRanere,1992c).Debrisat theMonagrillocoastalshellmound 14,000m2(WilleyandMcGimsey,1954),which,touse Curet's(1998) estimates, pointsto a maximumpopulationof ~200 people. Witha size of about 1750 CerroMangote(7000-5000 B.P.)wouldhavebeen occupiedby m2,preceramic of theMonagrilloshellmound 30 odd people.The inhabitants (4400-3200 B.P.) consumedmaize,manioc,and palm fruits, and, to judge fromlargenumbers of grinding stones,in considerablequantities(Pipernoand Hoist,1998; Willey and McGimsey,1954). Whethertheyactuallygrewthesecropsin the coastal environment of thetimeor acquiredthemfromothercommunities cannotbe demonstrated. Occupationdebrisat anotherearlyceramiccoastal site,Zapotal a maximumpopulationof (2345-1255 cal B.C.),covered30,000m2,suggesting cobblescachedalongsidean oval or circularstructure ~500. Edge-ground here 4Food carbonresiduesfromfoursherdsfoundat Cueva Bustamante(R. Majecito,east Panama) (Figure2), formerly assignedto theMonagrillostyle(Cooke and Ranere,1992c,p. 270) returned datesbetween690 ± 40 B.R and 420 ± 40 B.R [cal A.D. 1310-1620]) (contraCooke and Ranere [1992c,p. 270]). 144 Cooke stonesfound (Cooke and Ranere,1992c,p. 273) recalla largerpile of grinding at thevillageofReal Alto,Ecuador(PipernoandPearsall,1998,Plate5.2). Only willenablearchaeologists to estimate howmuch however, décapageexcavations, of thelivingspace in theseapparentvillageswas actuallyoccupiedat a given time. Hoopes' proposal(1987, p. 507, 1992a,p. 70) thatEarlyTronadorais the tradition 4500-2500 B.P.), earliestvariantof a northern (approximately pottery of Nicaraguato thecentralCosta Rican whichextendedfromthelake district andtypologically andadjacentCaribbeanslopes,hasbeensubstantiated highlands the of who modified Corrales 159-160), (2000, proposed contemporaneity by pp. does not look like a first thisstylewithfiveothers.5EarlyTronadorapottery antecedents. fromearlier,as yetunidentified butrathera development attempt at structures Sheets' researchteamfoundevidenceforroundpole-and-thatch as a "small sedentary TronadoraVieja (G-163), whichtheyinterpret village." of theArenal undertephrafroman eruption was stratified The earlieststructure volcanoat ~3800 B.P.(Bradley,1994; Sheets,1994b,pp. 314-315). Maize was groundhereon metateswithlegs (ratherthancrudemillingbases). Kernelsand theearliestcarbonized recoveredfromthreehearthsrepresent cupulefragments fromthelandbridge(3330-2930cai B.C.)(Mahaneyetal, 1994, maizefragments pp. 305-306). was In Panamawestof theSantaMaríadrainagewhereMonagrillopottery or not been has of the earliest ceramics the either elucidated, chronology produced, did Ranere from elsewhere entered this (1980a,p. 28) (CostaRica?). region pottery until2450-2150B.P.In thefertile in Rio Chiriquirockshelters notrecordpottery active valleysof CerroPuntaand El Hato,on thewesternslopesof therecently inthepaleoecologicalor either Bariivolcano,thereis nosignofhumanoccupation, forhuman records,untilafter3000 B.P.Threeprimary hypotheses archaeological forests and Caribbean and humid into this cool beyonditderived region dispersals maize Panama: in western fromtheLinares-Ranere (1) having farming, project in theseasonallydryPacificfoothillsand plainsof westernPanama originated above1500 muntil forests and/or adjacentCostaRica,didnotexpandintomontane 3000-2000B.P.whenitsappearance theendofthemillennium appearstohavebeen humid Caribbeanforests of the settlement the sudden;(2) perennially permanent moveddown fromthecordillera was notachieveduntil~1500 B.P.,whenfarmers Barii of the of three to second in tothecoast(partially response volcano) eruptions underwent subsequently {see also Behling,2000); and(3) Caribbeanpopulations on the distinct fromthatofcoevalandancestral an adaptiveradiation populations with them 1977 ties social Pacificsidealthoughtheymaintained (Linares, 'a, strong 1980a,c,e;Linaresetal., 1975). Behling's(2000) pollenrecordfromtheVolcánlakesinthelowerofthetwo data.The fact witharchaeological basinsstudiedby Linares'teamis consistent 5Diñarte,La Pochota, Barva,andLos Sueños. Chaparrón, ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 145 thatitidentifies humanimpactson thelandscapebyclearanceandtheuse "strong of fire"after~2860 B.P.,however,vouchesforan earlierimmigration thanthe oneproposedbyLinaresandalso wouldexplainsomedatesthatformerly seemed anomalouslyearly(Linares,1980f,p. 109; Linaresand Sheets,1980; Linares etal, 1975;Shelton,1984).The factthatclearsignsofextensive with agriculture maizeareapparent after~3240 B.P.at LagunaZoncho,located30 kmsouthwest of Volcán(Clementand Horn,2001), conforms withthehypothesis thatslashand-burn in the cordillera became after maize races agriculture possibleonly had acquiredphysiologicaladaptationsto cool moistclimates(Galinat,1980; withCorrales'(2000) Linares,1977a;Linaresetal, 1975).It also is harmonious of an nucleus of farmers located in the Valle del Generaland proposal early watersheds of Costa whose southern tradition is Rica, Térraba-Sierpe earlypottery distinct from the coeval northern tradition.6 Black Creek from the modally pottery southern Caribbeancoastalplainof CostaRica was in place between3440 ± 40 B.P.and 2580 ±40 B.P.(1880-590 cai B.C.)(Baldi, 2001), indicating thatsome stretches of thehumidAtlanticCoast were settledlong beforethe forestson theisolatedAguacatePeninsula(Bocas del Toro)whereLinares(1980c,e,f)did notdetectarchaeological sitesolderthan~1400 B.P.Northrop and Horn(1996) that a disturbance horizon identifiable in sediments from Lake Bonillita propose ~2560 B.P.represents a firstincursionof maize-usingfarmersintothe upper in thecoastallowlands,a similar (Caribbean)ReventazónValley.Further north, horizon is visible at La Selva B.P.(Hornand Kennedy,2000). ~2700 farming Thesemovements correlate withthedistribution oftheLa Montañaceramicstyle, whichis coeval withBlack Creekand is also a memberof Corrales'southern tradition. pottery Ovategrinding stonesaccompanytheLa Montañapottery (Snarskis,1984, 8.3 seem moreappropriate forpreparing maizethanrootcrops. Fig. n-p). They Severalresearchers haveproposed, thatmaizeandmaniocweredietarily however, and ecologicallydichotomous. Stimulatedoriginallyby Harris's(1969, 1972) and seed-culture vegeculture complexes,thisidea has been fueledin tropical Americabytwoindemonstrable assumptions, namely,thatsmallflakesof silicarichstonewereusedforgrating manioc andthatflatceramicplateswith cyanogenic raisededgesweregriddlesforbakingbitter(toxic)manioccakes (Acuña,1983; Birdand Cooke, 1978a; Corrales,2000, p. 39; Fonseca,1992; Snarskis,1992, evidenceforcyanogenic p. 143; Stone,1966,p. 27). Thereis no documentary varieties of maniochavingbeencultivated on thelandbridge.Perry(2002a) has foundmaizestarch onsimilartoolsfromVenezuela.Manyotherkindsofplantsare fibrous taxaandpalmkernels).Maniocandmaizearelikelyto have grated(e.g., beendietarily fromthetimetheirancestral cultivars crossedpaths complementary millennia Their microremains arefoundtogether on earlyPanamanian many ago. tools(Pipernoand Hoist,1998). Theyremainedcomplementary on the grinding 6Curré, Danzara,BlackCreek,La Montaña,and Sarigua(centralPanama). 146 Cooke landbridgeuntilafter inareaswithseasonaldrought. Spanishconquest.Boththrive Maniocdoes wellon poorsoils wheremaizedoes not.It producesmorecalories per unitarea thanmaize,whichhas considerably higherlevelsof proteinthan manioctubers(Bray,1984,pp. 315-319; Cooke,1992;Linares,1979). In sum,availablesediment andarchaeological datafrom core,paleobotanical, centraland easternPanamainvitethehypothesis thatfarmers, whoopenedplots forcultivation thevegetation and who cultivated maize, by fellingand burning graduallydispersedfromearlierpopulationnucleiin drierareas on thePacific in thewakeofthephytophysiological slopesintomorehumidforests adaptations of thisand accompanying cultigensbetween7000 and 4000 B.P.(Hansell and havebeenlinear Ranere,1997; Piperno,1985). This dispersalwoulddoubtfully sincethelandbridgeis todaycharacterized inclimate, local variations bystriking Holocenedrierperiods,whichwouldhavefacilitated drainage,and topography. treefellingandforest thesepatterns. To evaluate disturbance, mayhaveinfluenced themvis-à-vishumanbehavior, itis necessary inthelocaleffects tofactor however, oftheEl Niño/Southern seemsto haveincreasedin Oscillation,whoseregularity themid-Holoceneand whosepresent-day effectsare oftenfeltdifferentially on thePacificandAltanticsidesofthelandbridge(Curtisetal, 1996,1999;Hodell et al, 1995; Lachniet,personalcommunication, 2003; Leyden,1997, Leyden et al, 1993). Significantly, thereis evidencethattheperiod7000-4000 B.P.was drierthantodayon thecentralCaribbeanof Panama(Bartlettand Barghoorn, 1973;cf.Rull,1996). is northon theland bridge,data on thedispersalof earlyfarmers Farther hasaddressedpreceramic restricted toceramicperiodsbecauseverylittleresearch sitesoutsidePanama{butsee Lange,1984b).Thereis,besides,littleevidencefor incoastalPacificlowlands(Hoopes,1988,1996),either pre-3500B.P.occupations siteshave been missedby surveyteamsor because because thecorresponding were not here. and statistical however, analysisofpottery, living Stylistic people in slash-and-burn farmers were two nuclei of that there Nicaragua early suggests halfofCosta ofthenorthern andCostaRica: one in theseasonallydryhighlands Rica andadjacentNicaragua,theotherinthesoutheast (ValledelGeneral,Térrabaareasprobablyaccounts out of these lowland Coto, Chiriqui).Dispersal Sierpe, recordjust forthe patternof forestclearancevisiblein thepaleovegetational in is this observation of Froma phylogenetic summarized. view, stimulating point the Chibchan of initial nodes of about the of discussions divergence relating light on thespreadof attendant languagesand gene pools to culturaldiversification Cooke and et Ranere,1992c; (Barrantes al, 1990; Constenla,1991; agriculture between in correlations confide to It is Corrales,2000). overly though, premature, anda specificclusterofpeopleandtheirproto-languages: traditions theseartifact and surveycoveragetoo thetimedepthis simplytoo great,the14Cchronology and the historical and amongspeakers geographicalrelationships incomplete, Chibchanlanguagesand betweentheseand speakersof Matagalpan of northern defined. languagestooimprecisely ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 147 of culturaland theuniformity Care also shouldbe takennotto overstress subsistence duringsuchearlytimeswhenpopulationslivedin small, geography Talamancapreceramic peopleswho livedin thewestern dispersedsettlements. 6600 to4300 B.P.usedstonetoolassemofPanamafromapproximately highlands ofPaleoindianassemblagesandarequiteunlikethose features blagesthatretained thereRanereproposed, totheeast(Ranere,1980a,b,c,d). oftheircoevalneighbors inmorehumidorinaccessiblepartsofthelandbridge remained fore,thatforagers longafterpeoplein drierareasbeganto farm.Dickau (personalcommunication, 2004) reports isolatinga smallsampleof starchgrainsthatappearto be froma site.Zamia was an earlyfood Zamia speciesat theTalamancaPhase Hornito-1 sourcein theWestIndiesand was cultivated by theFloridaSeminoie(Berman and Pearsall,2000; Cardwell,1987; Veloz-Maggiolo,1992). It is possiblethat Dickau's researchwill identify other,morewidespreadcultigenson Talamanca of Ranere'shypothesis toolsand thusfostera re-assessment (1980a, p. 43) that what theTalamanca Come were farmers." forest "notall earlytropical may, people from coevalpeocultural differentiation infer stonetoolinventory's idiosyncrasies identified 3 Sheets and Panama in central Cooke, 14) (1994b, 1996). p. (Ranere ples hiatusbetweena pre-5000B.P.Archaicforaging a temporal population(Fortuna ofmodin Tronadora B.P. and villages thevicinity farming phase) post-3800 Early Costa Rica (Hoopes (1994a) offersan opposing ernLake Arenalin northwest view). ofa withregardtothenatureandtiming also is recommendable Temperance humanpresencealongtheCaribbeanslopesofthelandbridge.Paleoindianswere activein Caribbeanand montaneLGS forests(Ranereand Cooke,2003). Sites whosestonetoolssuggestoccupationsbetween10,000and 7000 B.P.havebeen inCaribbeanCostaRica (Acuña,1983,2000) andPanama(Griggsetal, reported is provided confirmation Ranere andCooke,1991).Indirect 2002; bymanateeribs foundin a 6000 B.P.middenat CerroMangote(centralPanama,Pacific),which thereonlyacrossthecordillerafromtheCaribbean(Cooke and can havearrived recordedpeoplesengaged andethnohistorically Later Ranere,1992c). prehistoric across mountainrangesand betweenthe in constantcommercialinteractions Atlanticand PacificCoasts. Small-scaleeconomicenterprises may have been and wettest even the remotest the of to stimulate penetration enough important in earlier advocated the before forests pages.If true, agricultural expansion long thanby is morelikelyto be elucidatedin thefuture thispattern by archaeology paleoecology. TERRITORIES, TRADE, AND SOCIAL RELATIONS thatthe withHoopes's(1992a) observation Mostresearchers arecomfortable a Formative of a scheme,i.e., generalizeddevelopmental once-popular concept differences "mother-culture" (Ford,1969),obscuresimportant among pantropical 148 Cooke smallercommunities ofthe land-bridge politiesthatdevelopedoutofthesimpler, becamemoreproductive inresponsetogenetic preceding periodas (1) agriculture increasedandnucleated, and(3) social taxa,(2) populations changesincultivated tensionswereaggravated. Froma geographical pointof view,accelerateddiverafter~2500 B.P.wereconditioned notonlybytheintrinsic genceandcomplexity microenvironmental thatI stressed on theopeningpage,butalso by heterogeneity to technologies, goods,andpeoplefromMesoamericaand northern propinquity SouthAmerica(Hoopes, 1992b; Linares 1977a, 1979). Materiallyit is exemfeatures. frombeinga plifiedby widespreadand interrelated Pottery progressed merereceptacle toa mediumforideologicalexpression as plastically executedand ones,appearedand diverpainteddesigns,includingzoo- and anthropomorphic sified.Largerand functionally morecomplexvesselsbearwitnessto innovative and intricate decorativetechniquessuchas differential firing, negativepainting, calciumcarbonatefiller,and the simultaneous use of severalpigments(Baldi, 2001; Baudez etal, 1993; Bonillaetal, 1987;Cooke,1995;Cooke etal, 2000; Corrales,2000; Fonseca, 1997; Hoopes, 1996; Sánchez,1995; Shelton,1984). levelsof crafting in response,notonlyto Grindingtoolsattainedsophisticated and importance of foods,such as large-kernelled changesin the morphology in mostsamplesofcarbonizedplantmacroremaize(nownumerically dominant of thiscultigen, whichis mains),butalso to theincreasing symbolicimportance of somecultureareas(Bird,1980; Einhaus,1980, evidenton thestonestatuary p. 466; Galinat,1980;Graham,1992;Linares,1980a,p. 243; Linaresetal, 1975; ofobsidMahaneyetal, 1994;Snarskis,1981).In GranNicoyatheproliferation ian toolsreflects bothimproving technicalskillsand expandingtradenetworks. inlargenumPolishedstonetools(axes,chisels,etc.)werenowmadeeverywhere orreworked at specificsettlements bers,oftenfashioned (Linares,1980a,p. 242; Sheetset al, 1980). This burgeoning was surelyrelatedto theneeds industry in riverine or lacustrine zones of farming settlements concentrated increasingly whichhadto be removedto borderedwithmaturegalleryandperipheral forests, oflargedugoutcanoes gainaccessto deepcolluvialsoils,andtotheconstruction forthecolonizationof offshore islands(e.g., Taboga and Taboguilla[Panama] and Isla del Caño7 [Costa Rica]) (Finchand Honetschlager, 1986; Stirlingand In blades some areas the art of 1964b). makingprismatic (present during Stirling, butwithitsown technical Paleoindiantimesbutsubsequently lost)reappeared, idiosyncrasies (Langeetal, 1992,pp. 163-165;RanereandCooke,1996).Lastly and crafted and mostimportantly, expertly prestigeand ritualitemsproliferated new contacts,demands,ideologies,and social tensions,whichby at stimulated ofpolitieswithmanyofthecharacterleastby 1300 B.P.had led to theformation isticsofchiefdoms. on Isla Caño go backtotheSinancrá thatsettlements 7Badilla(personalcommunication, 2003) reports dated period(1500-300 B.C.). Taboguillawas occupiedby ~2000 B.P. to judge froma recently vesselfromButlerIsland(Lake Alajuela)(1990 ± 40 B.P. [cal B.C. 60-cal A.D. 90]), whichis very and Stirling similartovesselsreported (1964b) on thisisland. byStirling ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 149 CulturalGeography in materialcultureallow archaedifferences Before~2500 B.P.important forethnicand withimplications traditions regionalartifact ologiststo identify Butitwasnotuntilafterthisdatethatcultureareascame differentiation. linguistic in tothefore.Thepredominant conceptsincethedawnofarchaeology geographic theregion(Holmes,1888;Joyce,1916),cultureareasareeitherpoliticaldivisions towhichtheappendageGreaterorGranhas beenappended(i.e.,Greater Nicoya, features GranChiriqui,GranCodé etc.)orphysiogeographic (i.e.,inCostaRica, and centralPacificCoast) (Cooke, thecentralvalley,centralAtlanticwatershed 2002b; 1984; Corralesand Quintanilla,1996; Lange, 1984a,b;Martín-Rincón, that Snarskis,1981; Sánchez,2000). Most publishedreportsand mapsintimate betweenthemwererigidlyfixedin timeand space untilcontact. theboundaries studiesof subreThis is, of course,nottrue.Detailedgeographical-historical to (1) the attention are culture areas within increasingly drawing particular gions in settlement volcanic events of chance (i.e., redirecting eruptions) importance (Linareset al, 1975; Sheets,1994b,p. 318); (2) sociopoliticalfragmenhistory andnucleationattendant tation,whichresultednotonlyfrompopulationgrowth - theterm butalso fromgrowingcompetitiveness intensification on agricultural ofchangesin is oftenused(Snarskis,1981,p. 84); (3) theinfluence balkanization betweenthelocation ontherelationship andsocialinteractions economicpriorities andbetweenthese andartifact ofrawmaterialsources,craftcenters, distribution, et Cooke and and settlement al, 2003a; Creamer, (e.g., geography demography in of the manufacture 1983; Sheets,1994b);(4) community-level specialization small commodities certaingoods thatwereimportant (e.g., regionalexchange andritualitems,polychrome metates, polishedaxes,and- north pottery, prestige ofPanama- obsidiantools)(Drolet,1986,1992; Lange etal, 1992;Ranereand zones,inwhich 1980;Sheetsetal., 1980);and(5) fluctuating Rosenthal, boundary at culture area of cultural materials than therewasa greater (e.g., epicenters mixing and Sánchez Linares de 1968; Cooke, Linares, 1980b; Cooke,1980; 2000). Sapir, with who workin GranChiriquiare documenting For example,archaeologists smaller of into the diversification spatial pottery successively improving precision someunitscharacterized developments by stylistic categorieswhoseposterior timesbelie a commonorigin(Baldi, 2001; Baudez et al, 1993; Corrales,2000; Hoopes, 1996; Kudarauskaset al, 1980; Linares,1980f).At thesametime,the ofceramics cohesiveness ofthiscultureareaaftertheintroduction sociopolitical and the a shared artistic is confirmed common traditions, exchangeof by ideology, inferred from items. cultural and Changing geography pottery everyday prestige to be harmonious withlinguistic andgeneticdata, distributions appearstherefore whichpointtorecent(<1000 years)divisionsofthisarea'sChibchansintogeminatepolitieseachwiththeirownlanguage,i.e.,theBribriandCabécar,Chánguena andDorasque,BugleandNgobé,and,morearguably, CotoandBrunca(Barrantes etal, 1990;Constenla,1985;Corrales,2000). 150 Cooke It is important, to be temperate aboutrelating nonetheless, specificclusters of pottery to specificrecentethnias.Althoughthepostcontact culturalgeograto unravelfromexistingwritten sourcesbephyof the Caribbeanis difficult cause of multipleexternalpressureson nativepolities,it can be arguedon the basis of ethnohistoric data thattheancestorsof thepre-Columbian people who livedaroundtheLagunade Chiriquí,at siteslikeCerroBrujo,wereChánguena andnotGuaymi{contraLinaresandRanere,1971,1980) whoatcontactwerelocatedfarther eastbetweentheCricamolaandCalovéboraRivers(Castillero,1994, pp. 188-200). An additionalstimulusto culturaldiversification on the land bridgewas providedby thearrivalof migrant peoples fromMesoamericato GranNicoya that probablyno earlierthan1400 B.P.The archaeologicalrecorddemonstrates each of thesegroups,whosegenesisoccurredin Mesoamerica,quicklyslotted underwent acculturation andecologicalradiation, intolocal economicnetworks, and followeddifferent (Benavideset al., 1992; Bonilla demographic trajectories etai, 1987; Lange,1984b;Vásquez, 1994). Evenso, theChorotegaandNicarao in the1520s(Healy,1980,pp. 21-22; Oviedoy Valdés, languageswerethriving 1849,p. 390). Theirspeakerswerestillknownas naguatatosin thelatesixteenth century (e.g.,Fernández,1886,p. 205). Thisis whytheSpanishwhoinvadedthis from wherethedifferent thenorthin the1520scouldpinpoint groupsthey region werescattered called"Mexicans"wereliving.In fact,theircommunities among thoseof indigenouspeoples,someof whom,liketheHuétar,spokea Chibchan them(Constenla,1984, languageandwerenotalwayspeaceablydisposedtowards 1991,pp. 30-45; Healy,1980,p. 21; Santosetal., 1994).GranNicoyaatSpanish communities to severaldifcontactwas morelikelyto havecomprised belonging ferent ones(Langeetal, 1992,p. 13). ethnias(Ibarra,1991,2001)thanmultiethnic Chiefdoms Thereis a generalconsensus(butsee Roosevelt,1979) thatpre-Columbian in complexity. These kinpolitieson thelandbridgedid notsurpasschiefdoms live in cities, which lacked did not stratified societies, based,moderately writing, not but andwereorganizedintosmall,sometimes expansive populous politically territories (Earle, 1991), are evidentovermuchof the land bridgeby contact whether therequisite (Helms,1979; Ibarra,1990; Romoli,1987). It is doubtful economic nucleation, integration, populationdensitiesand degreesof settlement in thisstudyarea before2500 wereattainedanywhere and social differentiation B.P.Most scholars,in fact,postponethegenesisof chiefdomsin theirregional chronologicalschemesuntil2000 or 1500 B.P.,by whichdates archaeological and meaningful craftspecialization, evidenceforcategoricwealthdifferences, are apparentin and function in archaeologicalsite size, complexity variability severalcultureareas (Briggs,1989; Drolet,1984, 1992; Fonseca,1992; Haller, ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 151 2004; Hoopes, 1991; Linares1977b, 1980a,pp. 241-244; Quilterand Blanco, of thedatesof thepolychrome 1995). Reassessments pottery producedat Sitio wealthdifferentials Contepushtheevidenceforindisputable based on rankor statusin GranCodé evencloserto contact(after1300 B.P.)(Cooke eta/.,2000). scheme,i.e.,fromsomekind Forcingthesedataintoa progressive developmental of tribeintosome kindof chiefdom(Fonseca, 1992; Hoopes, 1991) or intoa lateraldichotomization alongthesame lines ("tribes"coeval with"chiefdoms" [Creamerand Haas, 1985]),obscuresthecoevalexistenceuntilSpanishcontact ofmanytypesofcommunities, manylevelsofpopulation densityandnucleation, and different subsistence emphases,oftenin thesame culturearea or economic interaction sphere(Linares,1977a,1979). of theterm Oberg(1955) is oftencreditedwithhavingbeen theinventor chiefdom whosetheoretical formalization occurredafterWorldWarII (Sahlins, 1958; Service,1962). Even so, Lothrop'sexcavationof theSitioContein Codé (Panama)between1930and 1933(Lothrop,1937,1942a)first openedNewWorld to the of few a adult males held who eyes archaeologists' opulence swayoversmall territories un-orunderendowed withpublicworks.Relyingas muchon noticeably contactperiodSpanishdocuments as modernscholars,Lothropunderlined many behavioraltraitsconsideredarchetypical of chiefdomseven thoughhe did not use thistermhimself(Briggs,1989; Lothrop,1937,pp. 9-29; cf. Helms,1979; Linares,1977b;Roosevelt,1979).8 Researchers nowprefermulti-to unicausal(primemover)explanations for theformation and maintenance of chiefdoms(Drennan,1995; Flannery, 1972). thegreatest Worldwide, degreeofvariability amongthese"autonomous political units"(Carneiro,1981,p. 45) concernsthearticulation ofbirthright, achievement, and and the between and authority, prestige, power, relationship gradesofsanctity socialhierarchy. Thesefeatures characterize thehierarchical of chieftypologies domsthatseveralscholarshaveproposed(Goldman,1970,pp. 20-24; Sahlins, 1958,pp. 11-12; Stewardand Faron,1959,pp. 241-245). Theyhave been the aboutthenatureof land-bridge chiefdoms focus,too,of disagreements (Briggs, 1989;Helms,1979,1982;Hoopes,1991,1992a;Linares,1977b;Roosevelt,1979; thanfrom Snarskis,1981,1987).Theyareeasierto gleanfromthedocumentary thearchaeologicalrecord.Even so, one detectsconsiliencewithregardto the of thefollowingfeatures:(1) chieflypowerwas deeplyrootedin commonality andmonopolizedbymales;(2) thetransference of power genealogicalhierarchy withinhigh-rank social unitsin each chiefdomwas based as much(or more)on achievement as on ascription andwas oftenaccompaniedbyinternecine tension; 8Thus,on social groups:"theIndianswholived(in Codé) weredividedintomanygroupseachruled . .; on insignia:"each chiefhad his own devicewithwhichhis by a chiefand varioussub-chiefs". followers blazonedthemselves". . .; on warfare:"warwas wagedbythenativesofPanamafrequently andformanyreasons,ofwhichthechief(ones) wereto acquiremorelandsandacquireprestige". .. on social classes:"although thecommunities in whichthenativeslivedwerenotlarge,theirsociety was dividedintoseveraldistinct ranks." 152 Cooke theirsuccessby accumulative behaviorakinto potlatching (3) chiefsadvertised a certaindegreeofcontroloverfoodproduction in orderto financeso(involving cial gatherings); livedat specialsettlements, often (4) chiefsandtheirentourages movingbackandforth amongvarioussites(accordingtoSpanishchroniclers they livedin specialhouses,whichmayhavebeenconfusedformeetinghouses);(5) at siteswhosespecialfeaturesalludeto theirbeingcentersof power,thereis a correlation betweensimplearchitecture andmonolithic andsymbolsof sculpture, bothaggressivebehaviorand fecundity (expressedby imagesof humanfemales and maize); (6) frequent warfarefocusedon raidsand skirmishes amongrival chiefsin nearbyterritories and was accompaniedbythemistreatment of prisonforcedlabor,branding, andloss ofburialprivileges; ers,including mutilation, (7) a degreeofresourceredundancy amongthemostpopulousor richestchiefdoms thelong-term prevented politicaldominanceof anyone of them;and (8) to acorideologically whichwere significant badgesofoffices, quirespecialsumptuary traderoutes, oftenexhibited at specialplacesandduringburials,chiefscontrolled items(Drennan,1991, landsortowards prestige especiallythosethatledtodistant 1995, 1996; Fitzgerald,1996; Haller,2004; Helms, 1976, 1979, 1994; Ibarra, 1990;Lange,1992a;Linares,1977b;Linaresetal, 1975;Snarskis,1987). PrestigeGoods, EsotericIdeas, and theRelevanceofDistance to ExchangeRelationsand Elite Formation totherelationship betweenideology, Therelevanceoflong-distance contacts of discussions wealth,and poweron theland bridgehas been at theforefront forthe Helms eversinceanthropologist originally Mary developed hypothesis, foundinpreCarlSauer(1966),thatmostmetalornaments mulatedbygeographer crafted ones- wereproducedin ColumbianPanama- andall themostexquisitely eliteseitherobtainedthemvia continental Colombia.She arguedthatPanamanian themselves toColombiancenters.Such crafters orbytraveling oritinerant traders contactsand exchangeswithdistantlandsand elitesconsolidatedtheinfluence andpowerofPanamanianchiefsbyallowingthemtouse valuableprestige goods the andthatoftheirentourages as rewardsandto enhancetheirsanctity through of esoteric 36-70, 140; 1992, 1979, 1994). knowledge(Helms, pp. acquisition whichcanbetraced InMesoamerica, scholarsassociateearlyeliteinteraction, with demandforfineceramicsdecorated backto 3500-2500B.P.,to an increasing and objectscraftedfromgreenstone, certainideologicallychargedmotifs, shiny and and pearloysters[Spondylus ironminerals,and marineshells(e.g., thorny Clark and 1975, Pires-Ferreira, 1991; Blake,1989;Love, Pinctada])(Clark,1991; andchalcedonieswereprimary CostaRica,jadeite,serpentine, 1976).In northern 2500 and 1300 B.P.and betweenapproximately forskilledcrafting commodities ofeliteexchangeanddisplayonthe tobe theearliestmanifestation areconsidered landbridge(Bishopet ai, 1993; Chenault,1988; Guerrero, 1988; Sharer,1984; ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 153 Snarskis,1984). Opinionsabouthow and by whomthisjadeite was obtained and whoactuallyused it haveswungfroma bias towardsMesoamericaas their fonsetorigo(Baiser,1980; Easby,1968, 1981; Stone,1973) to a morebalanced thatbothlocal andimported materials wereusedforthemanufacture proposition of threekindsof elite-centered (1) amulets,(2) stonemaceheads paraphernalia: orceremonial and ceremonial stonestoolsandgrinding stones sticks, (3) digging (or metates)(BishopandLange,1993,p. 129; Lange,1993,p. 288, Langeetal, 1992;Snarskis,1984,pp. 176-178,215-219). CostaRicanlapidariesusedmostly localjadelikestonesand (probably)an unidentified local jadeitesource(Bishop and Lange, 1993,p. 129). Imported itemswereinvariably madeofjadeitefrom theMotaguaValleysourcein Guatemala(Langeetal., 1981). These ritualor prestigeartifactclasses share zoomorphicicons, e.g., earedandhook-beaked crocodiles, birds,humming birds,bats, raptors, parrotlike and felids(Fonseca and Scaglion, 1978; Snarskis,1986). Because thesetaxa are symbolsof standard cosmologicalspacesthroughout tropicalAmerica,e.g., toattribute a Mesoamerican forests, earth,andsky,itis perhapsa hyperbole origin tothem(Snarskis,1985,p. 26). Evenso, CostaRicanlapidaryworkharksbackto olderMesoamerican artistic inthesamewaythatearlyland-bridge traditions, goldworkadvertises its antecedents in continental Colombia(Bray, iconographically 1981, 1992). Rare Olmec,Izapan,and Classic Maya jadeite amuletsand slate mirror backsfoundin CostaRica (somewithlegibleglyphs)werenotmadethere (Graham,1993; Lange, 1993,p. 284; Parsons,1993; Stoneand Baiser,1965). Theywererecycledand (probably)heirloomed(Graham,1992,p. 191; Lange, 1984b,p. 171; Snarskis,1984,p. 219). Thishintsthattherawmaterialwas more valuableto therecipients thanthefinishedartifacts and theirforeignideology. SouthofcentralCostaRica,wherenojadeitesourceis known,lapidariesworking between2000 B.P.and before1000 B.Rpreferred approximately agate,quartzite, and Some largebarsandbarpendantsarebeautifully crafted sericite, serpentine. andmusthavebeenespeciallyesteemedas bothprestige andritualobjects(Cooke et al, 2000, Fig. 8.7 v and w; Hearneand Sharer,1992,plates38-40; Lothrop, 1937,plate3; cf.Helms,1993). Metalobjectsarefirst recorded onthelandbridge~ 1800 B.P.9In Bray's opinion (1992, 1997) metallurgy spreadherefromtheSinú,Tairona,and Quimbaya centersofcontinental Colombia.Whether theyweremovedby landor bysea or transmitted or itinerant craftsmen is archaeologically unfathomable. bydiffusion Since canoe-borne tradefromthenorthis well documented in theethnohistoric 9Theearliestcontextualized metalpieceswerefoundin feature16 at CerroJuanDiaz - a copperring andfragments ofornaments froma disturbed tomb,whichwereassociatedwitha humantoothdentin dateof 1780± 40 B.P. (cal A.D. 130-370).Isaza, working underthedirection ofHeatherLechtman, foundtracesofplatinum in a fragment ofa spread-eagled birdin thisfeature as wellas evidencefor theweldingofthinplateswithdifferent ofcopper.Although thesetraitsarecharacteristic quantities of theLa Tolita-Esmeraldas regionbetweenColombiaand Ecuador,platinumis presentin some Panamanianores,andit is premature to attribute theseobjects'originto theformer region(Cooke eta/.,2003a; Cookeand Sánchez,1998;Ichon,1980,pp. 197,321). 154 Cooke similarexchangeswithtraders fromthesoutharelikelyandwould record, however, ofInitialGroupornaments in CaribbeanCostaRica before explaintheclustering 1500 B.R(Bray,1981,p. 154; Cooke and Sánchez,2001; Graham,1996; Stone and Baiser,1965). The earliestmetalartifacts foundin land-bridge gravesmay havebeenmadeincontinental Colombia.Evenso,localgoldworking stylesdevelresorted totheirowntechnical opedrapidly, idiosyncrasies (Fleming,1992;Howe, sharedmanyiconographie detailswithotherlocally 1986),and,mostimportantly, producedmedia(i.e.,shelljewelryandpaintedandmodeledpottery) (Bray,1992; Cooke andBray,1985; Sánchezand Cooke, 1998; Snarskis,1986).The productionofcastgoldfigurines andhammered plaquesis documented archaeologically and historically in Costa Rica and Panamaand continuedintothe 17thcentury A.D.(Bray,1981,p. 156; Lange, 1992a,p. 129,Fig. 14; Snarskis,1985,p. 26). Metalornaments datedbetween1800and 1300B.P.atCerroJuanDíaz werefound associatedwithritualparaphernalia, i.e., Spondylusbead and felidteethaprons Itis possible,then,that and/or necklaces,polishedstonebars,andincenseburners. ornaments at first slotted into ritual activities such as shamanism andcuring gold 2000; Saunders,2003). Onlylaterdid (Cooke,2003b;Cookeetal, 2000; Quilter, behaviorof theyacquiretheexotericrolenecessitated by theself-aggrandizing adult which is evident after B.P. at some 1300 sites males, wealthy clearly mortuary suchas SitioConte(Briggs,1989; Lothrop,1937),in stonestatuary (Fernández and Qunitanilla, 2003; Graham,1992, 1996), and also in Spanishdescriptions of warriorsgoing to battlebedeckedwithshininggold finery(Cooke et al, 2003a). The coeval use of gold and jadeite has been documented in Costa Rica But after B.P. 's in ~1500 1998;Snarskis,2003). (e.g.,Herrera, jadeite importance and Costa Rica diminished as cast and hammered ornaments Nicaragua tumbaga becamemorewidelydistributed. AlongthecoastofPanamaBay,a similarchange in priorities theproduction ofbeads andpendantsmade appearsto haveaffected ofthorny andpearloysters(Spondylus andPinctada),whoseapogeeoccurred between1800and 1200B.P.(Cooke,1998a;Cooke etai, 2000; Ichon,1980).10It is oflocalpopulations possiblethatitsdeclinewasrelatedtohumanoverexploitation of theseshells.Or perhapsSpondylusartifacts werewornonlyin certainritual contexts thecase,polychrome orbyyoungpeople(Briggs,1989).Whichever potin the distinctive of Gran Codé (Labbé, 1995;Lothrop,1942a; terypainted style less abundant at siteslocatedeastoftheEl Sánchez,2000) becameconsiderably thenewdemands Vallemassifafter1200B.P.thanitwasbeforethatdate,as though ideandideologiesstimulated novelexchangerelationships relatedtothegrowing of metal ores and which artifacts, hypothetically ologicalandpoliticalimportance of exchangecenterssuchas Cupica wouldhave led to thegrowingimportance (Colombia)(Bray,1984) and evenchangesin thesocial or ethniccomposition outof inshoreestuarine 10Ornaments fashioned shells,suchas Anudaragrandis,weremanufactured untilafterSpanishcontact(Cooke etal, 2000). ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 155 ofcoastalsettlements aroundtheGulfof Panamaand itsislands(Cooke, 1998a; Cooke et al., 2000; Sánchezand Cooke, 2000). Copperand gold ores are parabundantin outwashand alluvialgravelsalongthecentralCaribbean ticularly and Cordillera of Panamaand in theDanen (Cooke et al, 2003a), whereasin thePacific,Spondylusand Pinctada are concentrated aroundrockyand coralislands.Recentresearchin theBelén,Coclé del Norte,and IndioRivers fringed in Panamahas identified sites- somewithextensive especiallylargeprehistoric stonewalledterraces in proximity to localitieswheretheSpanishextracted alluvialgold(Cooke etal, 2003a). Similarsiteswithmoreimpressive architecture arewellknownfromtheCaribbeanwatershed in CostaRica (e.g.,Guayabo,Las Mercedes,andLa Cabana)(Fonseca,1981,1992;Hartman, 1991;Snarskis,1984). Chiefswhoseterritories includedgoldandcopperdeposits, andlavas, basalts,tuffs fineclays,andscarcepigments wouldhavebeenable toexchangethesematerials fortheagricultural produceofneighboring politiessituatedin areasbettersuited to theproduction offoodstuffs. In 1502,Columbus'son Ferdinand referred to thecoastbetweenAlmirante and the River Coclé del Norte as "active Bay tradingcountry"(Cooke et al., sourcesstatethatthe"Mexican"traderspresenton 2003a). Laterdocumentary theCaribbeancoastatandaftercontactwenttherespecifically toobtaingoldand cacao (Lothrop,1942b).It is unclearwhichgoods wouldhave been offered to localpeopleinexchangefortheseproducts. I knowofonlyfivepublishedartifacts fromPanamathatcanbe objectively attributed toMesoamerican and manufacture, one whose the southern of the land is only originbeyond edge bridge indisputable (Cooke et ai, 2003a; Lothrop,1942a,fig.440). All are smallportableobjects, and none was foundin a professional excavation.Exactlywhereon the land articles that reached and Mexicansitesweremanufactured is a bridge Mayan difficult to answer. Current does not admit their question knowledge attributing toa particular provenience regionsuchas "Veraguas"or"Coclé."Metalfigurines cast in Bray'sInitialand International Stylesexhibitfarless regionalstylistic differentiation thando pottery andstonetools.Largegapsexistinthedistribution ofarchaeologically contexualized goldwork, especiallyineasternPanamaandthe AtratoBasin,wherethereis documentary evidenceforimportant metalworking centers.Finishedornaments werecomposedof variablequantitiesof generally water-borne auriferous ores,which,whenintentionally alloyed,are notoriously difficult toattribute tospecificmineralsources(Bray,1977,1992,1997;Fleming, 1992;Graham,1996;contraLothrop,1950,1952). Tradeandexchange,ofcourse,werenotexclusively eliteactivities. Contact accountsaboundwithreferences to themovement of a wide periodethnohistoric of goodsamongpolitiesthatdwelledin thesame,contiguous, or nearby variety territories or spheresof influence habitats chiefly (Helms,1979) butin different withdistinct inventories. OviedoyValdés'sreference totheCuevans'barproduct thepreeminence ofthisbehavior. tering everything theyowned(p. 132) underlines Humidforestproducts, the i.e., incense,medicinalplants,resins(forembalming 156 Cooke and felid dead), cacao, vegetabledyes,petpeccaries,birdsand tapirs,feathers, inlistsoftradeditemsthatwereexchangedfornonteeth,claws,andpelts,figure forest marineshells,andsaltfish(e.g., items,e.g.,humancaptives,cottontextiles, Andagoya,1994 [1519],p. 29; Núñezde Balboa, 1994 [1513],pp. 23-24; Ibarra, 1990;Oviedoy Valdés,1853,p. 140). It is clearthatpeoplecaptured duringskirmisheswerecoercedintobecomingporters forthistrade,whichtheruggedterrain ofmuchof theisthmuswouldhavemadequiteonerous(Oviedoy Valdés,1853, p. 140). Some Panamanianchiefs,wholivedinland,controlled "ports"on one or bothcoastswheremarineproductswereobtained.Marketsin GranNicoyawere vibrantplaces of exchange.Theywerecalled tiánguezby theNicarao,cognate withAztectianquiztli in thechiefvillageof (Fowler,1989,p. 187). At markets NatainGranCodé (Panama),peopleexchangedcoastalproducesuchas crabsfor maize(Espinosa,1994b[1516],p. 49). The relativeabundanceof severalspecies of marinefishat SitioSierra,located12.5 kmup theSantaMariaRiverfromthe coast,suggestsmarket-type exchange(Cooke andRanere,1999).A Panamanian - Escoria(RiverSantaMaria)- made"arms"(presumably chiefdom stoneand/or woodenweapons)forthesurrounding territories 1994b[1516], (Espinosa, p. 54). In highland stone tools were at most households while Chiriqui, chipped produced axes to have been the work of and Sheets, (Linares polished appear specialists 1980).Axe quarriesfoundbyGriggs(1998) intheveryhumidCaribbeanfoothills ofcentralPanamaproducedblanks,whichwerepresumably exchangedwithpeowho lived at on the Pacific side there (Cooke,1977).Although ple largervillages was somereciprocal of fine between Gran and exchange polychromes Nicoya centralandcoastalPacificCostaRica,thiswas sporadic(Guerrero etal, 1994;Lange, 1992a,p. 127; Snarskis,1984,p. 222); compositional analysishas shownthatthe movement ofclayvessels(evenbeautifully crafted ones)wasstrongly intraregional inGranNicoyawherea sampleofa wareformerly believedtobe Mesoamerican - provedto havebeenlocallymade(Bishop,1992;Bishopetal, 1992, Usulután pp. 160-162; Lange, 1992b,pp. 435-436). On theotherhand,elementalanalyin fromHonduranand Guatemalanquarries ses showthatobsidianwas brought km to from their of use 450 up points (Healy et al, 1996,p. 21; Salgado and Sheets et Zambrana,1992/1993; ai, 1990;Strossetai, 1992).In western Panama, obsidianis restricted to poor-quality local materials(Ranere,1980c,pp. 319320). thelocationofproducers andrecipients ofartifacts is Accurately identifying a prerequisite forunderstanding anotherimportant of relations aspect exchange inland-bridge chiefdoms: thedevelopment ofspecializedcrafting alongsideolder Drolet that in the of household (1992) proposed Diquis subpatterns production. ceramic stone of Gran wares,polished jewelry,andround region Chiriquifancy stoneballs weremade at specialcenterssubsidizedby theleadership(see also, fromhouseholdto specialized Fernándezand Qunitanilla, 2003). The transition in of obsidian tools is evident Gran Nicoya (Valerioand Salgado, production 2000). ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 157 documents indicatethatmetalornaments werean important Contact-period oflocalandregionalexchangenetworks theacquisition ofores component linking inalluvialandhilloutwashdepositstospecializedcrafting. Artisans atthevillages oftwoPanamanian chiefs,Comogre(lowerChucunaque)andCori(nearmodern PanamaCity)crafted made-to-order whichwereexchangedforraw ornaments, districts (Cooke et al, 2003). ChiefCoutoo Coctuin goldobtainedin outlying southeastern Costa Rica was renownedas a goldsmith (Snarskis,1985,p. 26). WhenFernándezde Oviedowas livingat HispanicizedNata (centralPanama)in 1527he wouldsendhisnativeslavesoutto barter cottonblanketsandhammocks for"goodqualitygold"withpeoplelivingintheunconquered regionsofVeragua (Cooke andRanere,1992c,p. 285; Oviedoy Valdés,1853,p. 499). Territories, Special sites,Gatherings,and Genealogies On theland bridge,as elsewherein tropicalAmerica,estimating thesize ofnativepopulations is curtailed drastic decline by demographic duringthefirst fewdecades betweeninitialSpanishcontact(arguablyprecededby old world of diseases)and thefirstroyalcensusfiguresobtainedduringtheestablishment theencomienda Since rates 1994, system(Castillero, pp. 36-64). mortality during - perhapsup to 90thisperiodaregenerally assumedto havebeencatastrophic 95% (e.g., Abel-Vidor,1981)- thenumbersof people presentat contactmust havebeenconsiderably moreelevatedthanthoserecorded encomienda bythefirst figures. TheSpanishterm considered provinciais generally byscholarstoequatewith theterritory of a singlechiefdom, whichitselfcomprisedseveralvillages(e.g., Helms,1979,Figs.6, 8,9; Lothrop,1937,Fig.2; Romoli,1987,p. 33,map).Using data,Romoli(1987, pp. 29-31) calculatedthatat Spanishcontact documentary there were89 chiefdoms in Cuevanterritory (1501-1519) (easternPanamaand northern which covered km2. If we 25,000 Colombia), acceptherestimatefor theCuevanpopulationas 230,000,chiefdomsaveraged2854 people (density: 10 persons/km2). Ibarra(1984,pp. 58-59) estimated thepopulation ofthelargest of tenchiefdomsin thecentralAtlanticwatershedand centralvalleyof Costa vis-à-visthe Rica, Guarco,as 5550 people in 1569, surelyan underestimation situation in 1502.On thebasisof archaeological surveydata,LinaresandSheets thepopulationof theVolcánarea of highlandChiriqui (1980, p. 54) estimated ~1350 B.P.at 2430 people (density:39/km2), by whichtimethereis evidence forsiteand socialhierarchies. their less reliableestimateson an average Basing of 600 peopleper villagelocatedaboutevery3 km up theSanta Maria River ofthechiefdom (Weiland,1984),Cookeetal. (2003b)proposethatthepopulation of Escoria,withan estimatedarea of 176 km2,was ~7800 (density:44/km2). ChiefComogreis saidbyOviedoy Valdés(1853,p. 9) tohavebeenabletorecruit 3000 warriors and to haveruledover10,000people.SpanishcaptainGasparde 158 Cooke Espinosaguessedthepopulationof thevillagewherechiefNata livedat M 500 thelargestinthe people(Espinosa,1994b[1516],p. 44). The villageofTurrialba, chiefdom ofGuarco,had2100 people(Ibarra,1984). Thattheabove figuresare disproportionately eclecticand dangerously apwas recently underlined proximate byHaller's(2004) footsurveyof 104 sq. km. in theParitàvalleyin centralPanama.Basinghis populationestimateson the betweenthearea and densityof occupationof sites,rather thansite relationship area alone,Hallerproposeda maximumpre-Columbian populationofjust over 1000forhissurveyarea.Notwithstanding Haller'scautionary however, approach, it seemslikelyto me thatthelargestprovinciasdescribedby theSpanishon the landbridgewouldhavehadpopulations intherangeof2000-10,000people,with In villagesof morethan1000 people in themostdenselypopulatedterritories. areas of veryhighsubsistencepotential,such as thelake regionof Nicaragua andlargefluvio-estuarine thefigure systems, mayhavebeenconsiderably higher. If thelowerend of thisestimation seemsoverlysmallforthepopulationof a havederiveda population of2000 peoplefromfielddata chiefdom, archaeologists obtainedintheValleyofOaxaca (Mexico)between3100 and2450 B.P.(Drennan, andpublicarchitecture are 1991,p. 268) - a periodduringwhichstatusdifferences tothoseofmanyoftheland-bridge chiefdoms inthelastfewcenturies comparable ofthepre-Columbian periodandatcontact. wererelatedtolinguistic andethnicdiversity is Exactlyhowthesechiefdoms a difficult evidencesouthofGranNicoya questiontoanswerbecausedocumentary is difficult to interpret. In thewesternChiriquícordilleraand in centralPanama, each chiefdom is recordedas havingitsownlanguage,sufficiently differentiated forinterpreters to have been neededin social encounters amongnativepolities (Andagoya,1994[1519],pp.33-34; OviedoyValdés,1849,p. 235, 1855,p. 117). Incentral CostaRica,severalchiefdoms spokethesamelanguage(Huetar)(Ibarra, as havingbeenspoken 1984). Althougha singleCuevan"language"is reported overa territory in whichRomoliidentified Oviedoy Valdés 90 chiefdoms, nearly refers to"manydifferences ofvocabulary" acrossthisregion.Itis possible,theredialectalvariation fore,thattherewas considerable (as wouldbe expected)orthat, "Cuevan" a was or koine in used forcommunication conversely, linguafranca like the of Amazonia. On the one Oviedo relations, hand, exchange linguageral womenfrom y Valdés(1853,pp. 132-133) saysthatCuevanchiefsdidnotmarry who on the other it is clear thatchiefs hand, people spoke"foreign"languages; in centralPanamatookwivesfromneighboring territories eventhoughtheywere in conflict withthem.Otherlinguistic features thatanthropologists haverecorded forneotropical such as peoples, linguistic exogamy(Jackson,1983) and theuse of ritualspeechmodes alongsidedemoticones, are difficult to decipherfrom documents. After~2500 B.P.considerableregionaldifferences developedon theland with to residential structures and sites. bridge regard funerary Manyofthesecan be explainedbyculturaldiversity, ofcourse,bylocal environmental conditioned, ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 159 and rainfall).In thenorth, conditions fromGranChiriquiinto (e.g.,topography or walls (Corralesand Quintanilla, GranNicoya,houseshad stonefoundations 1996,figs.5-9, 5-10; Drolet,1992;Quilter, 2004; Snarskis,1981,figs.16,20,32). Gravesoftenusedstonewalls,floors, andlids(Snarskis,1981,fig.13; 1992,figs.9 and 10). SouthofGranChiriqui, on thePacificside,theextensive use ofstonehas notbeenreported forarchaeological whichhadclayfloors,sometimes dwellings, canewalls,androofsmadeofpalmorgrassthatch (Carvajaletal, inpress;Cooke, 1998d;Isaza, 1993).11Eventhemostlavishtombshereweresimpleexcavations madein theunderlying soil or cutthrough bedrock.Theywerenotembellished withstonealthough structures inthemannerof manywerecoveredbyperishable recentKunamortuary enclosures. Oftenburialsweremadeunderneath structures, Cooke et 1989; al, 2000; Díaz, 1999; Isaza, 1993; including dwellings(Briggs, Linné,1929,pp. 247-252; Lothrop,1937; Sánchez,1995). Spanishchroniclers describemortuary housesin whichtheembalmedor desiccatedbodies of elite were laid outwithall theirfinery personages (Espinosa,1994a[1519]pp. 63-64; A round structure foundat CerroJuanDíaz has 1912, 218). Martyr, p. recently beeninterpreted as a mortuary house(Carvajaletal, inpress).On theCaribbean slopesbetweenBocas del ToroandthePanamaCanal,ithasnotbeendetermined whether somesiteswithstone-faced terracesandstonefloorsserveda residential orceremonial function (Cooke etal, 2003a; Cookeetal, 2003b,p. 6). All overtheland bridge,areas reservedonlyforburialsalso are known, established atsomedistancefromresidential areas,oftenon thetopsofhighhills. Someoftheseareofan earlyceramicdate(3000-2000B.P.)(Biese, 1967;Cooke, 1995; Harte,1966; Stirlingand Stirling,1964a). Others,such as Panteonde la Reina(Rivas,CostaRica) (Quilter, elites. 2000),weretheresting placesofwealthy A smallnumberof sitesalso exhibitnonresidential features thatare either earthen oremploycobblesandflagstones forpavements, entirely plazas,terraces, structures. Theseareoftenaccompaniedbyspecial drains,andforfacingearthen ofGranChiriqui,stoneballs. burials,stonestatuary, and,in theDiquis subregion An interesting of their distribution is that aspect theyare farfewerin number thantheprovinciasdescribedby theSpanish.In westernPanama,forexample, - endowedwitha ceremonialplatform, Barriles huge ceremonialmetatesand - seemstohaveservedatleasttwoterritories, doublesculptures ofhumanfigures each one of which,it can be argued,has featurescoincidentwiththoseof an autonomous chief dorn(Haberland,1973;Linaresetal, 1975;LinaresandSheets, La 1980). PitahayaandVillalbaaretheonlysiteswithmoundsandcolumnsknown Cañoceremonial alongtheGulfofChiriqui(Linares,1980b,d).TheSitioConte/El in Gran Codé is endowed with lines of and precinct columns, sculpted unsculpted animalfigures in theround,and stonepavements, whichtogether appearto have 11Therearetwo references tostone'sbeingusedforbuilding inPanama:'Cateba' (Bocas documentary del Toro)(Columbus,1959,p. 243) and Comogre(Danen) wherethe"chief'shouse"(perhapsa withstonewalls congresshouse)measured1150 x 80 yardsand was madeoutofwoodreinforced 1912,p. 219). (Martyr, 160 Cooke BurialremainsattheSitioContesectorsuggestthatthis formed a specialprecinct. a fewveryrichandsuccessful ones. was theresting placeofadultmales,including wereburiedthere(Briggs,1989;Cookeetal, 2000; Few womenandno children Cookeetal, 2003a; Lothrop,1937;Torresde AraúzandVelarde,1978).Although in whereverywealthypeople wereburiedhavebeen reported othercemeteries thisculturearea (e.g., Finca Calderónon theAzueroPeninsula)(Cooke et al., and pavements 2003a; Haller,2004; Ladd, 1964), no similarsitewithstatuary of Costa Rica, thereare On thecentralAtlanticwatershed has been identified. twolargeclustersof ceremonialsites,each of whichcoversan area of about10 km2(Guayabo,La Zoila,NajeraandLas Mercedes,La Cabana,CostaRica Farm) (Hartman,1991; Snarskis,1992,p. 157). The distribution ofthesespecialsitesraisesinteresting questionsabouttheir and aboutthesocial universes function theywouldhaveserved.Some surviving ethniason thelandbridgestillplayritualgameswhosepreparation requiresthe is a lots The balsería amounts of food for of of Ngobé people. provision large and Others ball well-documented 1971, 1976). speargames example(Young, - wereobservedbytheSpanishinPanama(CookeandRanere, contests throwing of theor1992c). These ceremoniesnotonlyenhancethepoliticalaspirations Valdés and Oviedo but also reaffirm (1853, y groupsolidarity history. ganizers of the social of the real had an understanding meaning anthropologist's p. 138) rites: "these Cuevan called which areyfunerary areytos, accompanied gatherings "are theirliterature tos" he remarked, (memoriales)." (letras)or remembrances existed It is reasonableto supposethata historical-cum-genealogical relationship territories. betweenarchaeologicalceremonialcentersand severalsurrounding ofheredSome surviving ethnias,suchas theBribriandCabécar,retainmemories and to clans to territories certain of (Stone,1961). leadership particular itaryrights andethfromarchaeological behaviorinferred All overthelandbridge,mortuary concernwithlookingafterthe toan overriding datadrawsourattention nohistoric burialritualsforrichandpooralike, ancestors(cf. Helms,1998a): (1) multistage houseswhere for skulls the reburial of (2) kept longperiodsoftime,(3) mortuary ancestorsweredisplayed,(4) thereuseof theembalmedremainsof prominent tombsoverseveralgenerations, arts,and (6) (5) theremovalof earlierfunerary for or people(e.g.,Briggs, pantheons necropolises important speciallydesignated 1989; Cooke,2001a; Diaz, 1999). artreferthe of land-bridge studiessuggestthatmanyfeatures Iconographie betweenspecialpeople and specialanimals,which beholderto therelationship and sometimeshumanized.This relationare sometimesdepictedrealistically, of rankednamedclans and otherlandmemories the Talamancans' recalls ship and hero myths(Helms,1995,2000; Stone,1961).In Gran bridgepeople'sorigin is or iguana(Helms' preference) crocodile a humanized Codé, (mypreference) An dominant. more to have become it a widespreadicon.Throughtime, appears back inference is thata socialgroupthattraceditsancestry admittedly speculative in is this to a crocodileachievedpoliticalascendancy. Although image frequent ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 161 richgravesat Sitio Conteafter~1300 B.P.,in whichit is depictedwithhighstatushumanattireand weapons(Cooke, 1998c, 2003a; Cooke et al, 2003a; andgeHelms,1977),italso was usedbypeopleof modestmeans.A historical linkedterritories, whichthrough time amongideologically nealogicalrelationship becamepolitically becauseofrivalries amonggroupsorindividuals, antagonistic withtheresidenceof membersof rankeddescentgroupsin several is consistent provincias. tellsus thatwarfarewas endemicamongland-bridge chiefEthnohistory doms.The iconography of statuary andthepostcontact situation drawsourattensuchas thedisplayofhumanheads.Physical tionconstantly torelevant behaviors, is notinformative aboutthephysicaldamagecausedby however, anthropology, Anearlierdescription skirmishes. ofmutilation (Lothrop,1954)shouldbe reevaluatedwithcautioninthelightofmorerecentmortuary data,whereasthegeneralized instancesof skullsas offerings can be explainedas ritualrather thanbelligerent behavior(Diaz, 1999; Martín-Rincón, 2002a). At Spanishcontact,conflictwas mostfrequent fissioned) amongthemostcloselyrelated(ormostrecently groups. Thisbaffled Oviedoy Valdés(1853, p. 129) whothought thatskirmishes among Cuevanfactions intheDarién"seemedtohaveno purpose."Antagonistic polities, undera warleaderinthefaceofforeign bandedtogether incursions however, (e.g., warfare was symbolically Andagoya,1994 [1519],p. 35). Probably, meaningful onlyamongpeoplewho shareda commonancestry beinginvolvedwithrivalry, and and skillsandbravado. food, women, stealing goods prestige exhibiting CONCLUSION Duringthe last 20 yearsor so, a consensusopinionhas formedamong and specialistsin otherrealmsofhistorical archaeologists inquirythatsurviving sectorsoftheNativeAmerican of the Central American landbridge population to Chibchan and Chocoan are most assignedbylinguists languagegroups closely relatedhistorically to each otherand are morelikelyto descendfroma preColumbianpopulation, whichresidedon or adjacentto thelandbridgefora very than from recent fromcontinental areas.Native longtime, long-distance migrants Americans havebeenpresentin somewell-studied central Panama regions(e.g., andnorthwest CostaRica) continually sincehumansfirst intheLateGlacial arrived Panamapopulations weresubstantial Stage.Incentral enoughtohaveconsiderably modified thelandscapeapproximately between11,000and 7000 B.P.,initially as hunters andgatherers, and after9000 B.P.as cultivators whoexponentially burnt andclearedhillslopeforests. Onlyat thenorthern edgeofthelandbridgehas the arrival ofpeopleswhoseethnogenesis canbe attributed toMesoamericaduring the been and these incursions documented, pre-Columbian period adequately postdate ~1400 B.P.The factthattheirMesoamericanlanguagessurviveduntilconquest hereis evidenceeither forconsiderable cultural resilience orfora largeimmigrant 162 Cooke that of acculturation and subsistence adaptation populationin spiteof theeffects recordhas documented thearchaeological quitewell. Afterinitialhumanmovements duringtheLGS, theland bridge'srole as of cropsand is clearestin relationto thetransference passagewayin prehistory someof whichhad important consequencesforlocal and regional technologies, Jadeiteand obsidianused formakingeveryday culturaland social trajectories. sources.The stimulus Mesoamerican obtainedfromdistant toolsweresometimes downfromMesoamericaintoNicaraguaand formakingpottery mayhavefiltered northern introduced fromcontinental was indisputably Costa Rica. Metallurgy era.Evenso, land-bridge oftheChristian SouthAmericasoonafterthebeginning to thedemands materials andtechnologies peoplesquicklyadaptedtheseforeign of theirown local and regionalmarketsand ideologicaluniverses.Greenstone, artifacts endedupbeingmadeinconsiderable agate,marineshell,andgold-copper centerswhoserawmaterialswerenotnecessarily numbersby local production orcoastobtainedfromdistanceslongerthana valley-to-valley, mountain-to-coast, to attributed that can be In finished to-island fact, objects unequivocally journey. distantculturesare scarcein thenorth,and veryrarein thesouth.Theywere wasnottheir thatforeignness defacedandmended,suggesting principal frequently to value.To claimthatexoticprestigegoods broughtfromafarwereirrelevant wellface and to in the of their leaders is and societies copious fly land-bridge datafora causallinkbetweencrafting, researched trade, ideology, anthropological are less well elucidatedfromthe theserelationships and power.Nevertheless, current archaeologicalrecordforthelandbridgethanmanyrecentmonographs of strange and articlespropose.This caveat applies equallyto identifications whose the bear such as ornatus), animals, (Tremarctos depictionon spectacled to animal attributed can be GranCodé polychrome speciesthat objectively pottery suchas raccoons(Cooke,2003a; contraHelms,1998b). werelocallyabundant, ofa constant recordis thesocialrelevance inthearchaeological Moretangible materialsandobjectsobtainedor manufacand sumptuary demandforeveryday inregionswithverydifferent marinelittorals, turedintwoecologicallycontrasting was mostintense habitats.If cooperation basal geologiesand in vastlydifferent are replete documents so was conflict: nearest contact-period neighbors, among that a pattern of raidsby local leaderson thenearestterritory, withdescriptions in tropicalregionstheworldover.Spanish situation is typicaloftheethnographic relatesuchbellicosebehaviorto thedesireof leadersfor documents repeatedly to take regalia. captives(especiallywomen),andto stealhigh-status revenge, At Spanishcontactin theearly1500s therewas considerablevariationin on the theirsettlement thesize of local populations, types,andtheirpermanence If the commentators. on not lost observant that were Spanish landscape,facts most strikfrom the derived once that units anthropologists cultural-geographic forest the land on differences bridge i.e., simple"tropical ing environmental onthePacific, cultures" mostly mostlyontheCaribbeanandcomplex"chiefdoms" ofNativeAmericanson theCentralAmericanLand-Bridge Prehistory 163 barriers dividedbyhighmountain (Steward,1948; Stewardand Faron,1959)to identify howdifferent itbehoovesarchaeologists nowappearoverlysimplistic, intolarger inthismultitude ofhabitatswereintegrated ofcommunities categories taskthanit seems socialunitsat different pointsin time.This is a moredifficult has focusedon drier,moreaccessibleareasto thedetriment becausearchaeology ofmorehumidandmoreinaccessibleonesevenwhenthereis sounddocumentary evidencethatthelatterwerein places denselysettledbeforeSpanishcontact.If to clustersof archaeologicalsitesin a territory that givingthename"chiefdom" equateswitha Spanishprovinciaseems a justifiableprocedurein thelightof thelimitsof a chief'sterritory andhow determining anthropological knowledge, in or interacted withit therole of smaller,dispersedcommunities participated foranalysesof materialculture surveyprojectsand funding requirescontinuing thataddressphysicalas well as stylistic and typologicalattributes. The relative of special siteswithfeaturesthatunderline their scarcityand spatialclustering ritualand or politicalimportance therewere suggeststhat,above thechiefdom, - to judge fromtheethnographic social units record, larger,equallyimportant somekindofdescentgrouporgroupings ofethniaswithcloselyrelatedlanguages andmemories ofcommonorigins, sharedsongsandpraises,andconflicts between realandmythical social and personalities groups. to tribes,languagefamilies,language Relatingspecificgroupsof artifacts or other ofChibchansandChocoansandtheir clusters, proto-languages, groupings ancestors is methodologically because are tempting languageandgenetichistory about the and in situ diversification of eloquent gradual prolonged populations residenton the land bridge.But it is fraught withdifficulties, because firstly, it is notnecessarily truethatthemeasuresarchaeologists mostregularly use for cultures and were coterminous with identifying types styles specificlanguages or gene pools; secondly,because we knowfromthehistoricrecordthatrecent ethniashave adjustedtheirterritories in responseto politicaland social factors of the last 500 yearsof Europeanoccupation;and, thirdly, because it is very difficult togaugetheeffects ofextinctions oflanguagesandpeoples(documented orotherwise) on phylogenetic relationships amongpresent-day groups.The most of these is that extinctions of the Cuevan striking problematical polity. termsChibchanorChocoanto describea historical area Usingthelinguistic - as has becomethecustomin of interaction of whichthe land bridgeis part recentdecades(Cooke,1992;Fonseca,1992,1997;FonsecaandCooke,1994)makessenseas longas theconstruct is usedheuristically. 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