第46章

类别:其他 作者:Charles Darwin字数:6288更新时间:18/12/21 17:23:57
6th——Weproceededduesouth,andsleptatRancagua。Theroadpassedoverthelevelbutnarrowplain,boundedononesidebyloftyhills,andontheotherbytheCordillera。ThenextdayweturnedupthevalleyoftheRioCachapual,inwhichthehot-bathsofCauquenes,longcelebratedfortheirmedicinalproperties,aresituated。Thesuspensionbridges,inthelessfrequentedparts,aregenerallytakendownduringthewinterwhentheriversarelow。Suchwasthecaseinthisvalley,andwewerethereforeobligedtocrossthestreamonhorseback。Thisisratherdisagreeable,forthefoamingwater,thoughnotdeep,rushessoquicklyoverthebedoflargeroundedstones,thatone’sheadbecomesquiteconfused,anditisdifficulteventoperceivewhetherthehorseismovingonwardorstandingstill。Insummer,whenthesnowmelts,thetorrentsarequiteimpassable; theirstrengthandfuryarethenextremelygreat,asmightbeplainlyseenbythemarkswhichtheyhadleft。Wereachedthebathsintheevening,andstayedtherefivedays,beingconfinedthetwolastbyheavyrain。 Thebuildingsconsistofasquareofmiserablelittlehovels,eachwithasingletableandbench。TheyaresituatedinanarrowdeepvalleyjustwithoutthecentralCordillera。Itisaquiet,solitaryspot,withagooddealofwildbeauty。 ThemineralspringsofCauquenesburstforthonalineofdislocation,crossingamassofstratifiedrock,thewholeofwhichbetraystheactionofheat。Aconsiderablequantityofgasiscontinuallyescapingfromthesameorificeswiththewater。Thoughthespringsareonlyafewyardsapart,theyhaveverydifferenttemperature;andthisappearstobetheresultofanunequalmixtureofcoldwater:forthosewiththelowesttemperaturehavescarcelyanymineraltaste。Afterthegreatearthquakeof1822thespringsceased,andthewaterdidnotreturnfornearlyayear。Theywerealsomuchaffectedbytheearthquakeof1835;thetemperaturebeingsuddenlychangedfrom118to92degs。[1]Itseemsprobablethatmineralwatersrisingdeepfromthebowelsoftheearth,wouldalwaysbemorederangedbysubterraneandisturbancesthanthosenearerthesurface。 Themanwhohadchargeofthebathsassuredmethatinsummerthewaterishotterandmoreplentifulthaninwinter。TheformercircumstanceI shouldhaveexpected,fromthelessmixture,duringthedryseason,ofcoldwater;butthelatterstatementappearsverystrangeandcontradictory。 Theperiodicalincreaseduringthesummer,whenrainneverfalls,can,Ithink,onlybeaccountedforbythemeltingofthesnow:yetthemountainswhicharecoveredbysnowduringthatseason,arethreeorfourleaguesdistantfromthesprings。Ihavenoreasontodoubttheaccuracyofmyinformer,who,havinglivedonthespotforseveralyears,oughttobewellacquaintedwiththecircumstance,——which,iftrue,certainlyisverycurious:forwemustsupposethatthesnow-water,beingconductedthroughporousstratatotheregionsofheat,isagainthrownuptothesurfacebythelineofdislocatedandinjectedrocksatCauquenes;andtheregularityofthephenomenonwouldseemtoindicatethatinthisdistrictheatedrockoccurredatadepthnotverygreat。 OnedayIrodeupthevalleytothefarthestinhabitedspot。Shortlyabovethatpoint,theCachapualdividesintotwodeeptremendousravines,whichpenetratedirectlyintothegreatrange。Iscrambledupapeakedmountain,probablymorethansixthousandfeethigh。Here,asindeedeverywhereelse,scenesofthehighestinterestpresentedthemselves。Itwasbyoneoftheseravines,thatPincheiraenteredChileandravagedtheneighbouringcountry。ThisisthesamemanwhoseattackonanestanciaattheRioNegroIhavedescribed。Hewasarenegadehalf-casteSpaniard,whocollectedagreatbodyofIndianstogetherandestablishedhimselfbyastreaminthePampas,whichplacenoneoftheforcessentafterhimcouldeverdiscover。 Fromthispointheusedtosallyforth,andcrossingtheCordillerabypasseshithertounattempted,heravagedthefarm-housesanddrovethecattletohissecretrendezvous。Pincheirawasacapitalhorseman,andhemadeallaroundhimequallygood,forheinvariablyshotanyonewhohesitatedtofollowhim。Itwasagainstthisman,andotherwanderingIndiantribes,thatRosaswagedthewarofextermination。 September13th——WeleftthebathsofCauquenes,and,rejoiningthemainroad,sleptattheRioClara。FromthisplacewerodetothetownofSanFernando。Beforearrivingthere,thelastland-lockedbasinhadexpandedintoagreatplain,whichextendedsofartothesouth,thatthesnowysummitsofthemoredistantAndeswereseenasifabovethehorizonofthesea。SanFernandoisfortyleaguesfromSantiago;anditwasmyfarthestpointsouthward;forwehereturnedatrightanglestowardsthecoast。Wesleptatthegold-minesofYaquil,whichareworkedbyMr。Nixon,anAmericangentleman,towhosekindnessIwasmuchindebtedduringthefourdaysIstayedathishouse。Thenextmorningwerodetothemines,whicharesituatedatthedistanceofsomeleagues,nearthesummitofaloftyhill。OnthewaywehadaglimpseofthelakeTagua-tagua,celebratedforitsfloatingislands,whichhavebeendescribedbyM。Gay。[2]Theyarecomposedofthestalksofvariousdeadplantsintertwinedtogether,andonthesurfaceofwhichotherlivingonestakeroot。Theirformisgenerallycircular,andtheirthicknessfromfourtosixfeet,ofwhichthegreaterpartisimmersedinthewater。Asthewindblows,theypassfromonesideofthelaketotheother,andoftencarrycattleandhorsesaspassengers。 Whenwearrivedatthemine,Iwasstruckbythepaleappearanceofmanyofthemen,andinquiredfromMr。Nixonrespectingtheircondition。 Themineis450feetdeep,andeachmanbringsupabout200poundsweightofstone。Withthisloadtheyhavetoclimbupthealternatenotchescutinthetrunksoftrees,placedinazigzaglineuptheshaft。Evenbeardlessyoungmen,eighteenandtwentyyearsold,withlittlemusculardevelopmentoftheirbodies(theyarequitenakedexceptingdrawers)ascendwiththisgreatloadfromnearlythesamedepth。Astrongman,whoisnotaccustomedtothislabour,perspiresmostprofusely,withmerelycarryinguphisownbody。Withthisveryseverelabour,theyliveentirelyonboiledbeansandbread。Theywouldpreferhavingbreadalone;buttheirmasters,findingthattheycannotworksoharduponthis,treatthemlikehorses,andmakethemeatthebeans。TheirpayishererathermorethanattheminesofJajuel,beingfrom24to28shillingspermonth。Theyleavethemineonlyonceinthreeweeks;whentheystaywiththeirfamiliesfortwodays。Oneoftherulesofthisminesoundsveryharsh,butanswersprettywellforthemaster。Theonlymethodofstealinggoldistosecretepiecesoftheore,andtakethemoutasoccasionmayoffer。Wheneverthemajor-domofindsalumpthushidden,itsfullvalueisstoppedoutofthewagesofallthemen;whothus,withouttheyallcombine,areobligedtokeepwatchovereachother。 Whentheoreisbroughttothemill,itisgroundintoanimpalpablepowder;theprocessofwashingremovesallthelighterparticles,andamalgamationfinallysecuresthegold-dust。Thewashing,whendescribed,soundsaverysimpleprocess;butitisbeautifultoseehowtheexactadaptationofthecurrentofwatertothespecificgravityofthegold,soeasilyseparatesthepowderedmatrixfromthemetal。Themudwhichpassesfromthemillsiscollectedintopools,whereitsubsides,andeverynowandthenisclearedout,andthrownintoacommonheap。Agreatdealofchemicalactionthencommences,saltsofvariouskindseffloresceonthesurface,andthemassbecomeshard。Afterhavingbeenleftforayearortwo,andthenrewashed,ityieldsgold;andthisprocessmayberepeatedevensixorseventimes; butthegoldeachtimebecomeslessinquantity,andtheintervalsrequired(astheinhabitantssay,togeneratethemetal)arelonger。Therecanbenodoubtthatthechemicalaction,alreadymentioned,eachtimeliberatesfreshgoldfromsomecombination。Thediscoveryofamethodtoeffectthisbeforethefirstgrindingwouldwithoutdoubtraisethevalueofgold-oresmanyfold。 Itiscurioustofindhowtheminuteparticlesofgold,beingscatteredaboutandnotcorroding,atlastaccumulateinsomequantity。Ashorttimesinceafewminers,beingoutofwork,obtainedpermissiontoscrapethegroundroundthehouseandmills;theywashedtheearththusgottogether,andsoprocuredthirtydollars’worthofgold。Thisisanexactcounterpartofwhattakesplaceinnature。Mountainssufferdegradationandwearaway,andwiththemthemetallicveinswhichtheycontain。Thehardestrockiswornintoimpalpablemud,theordinarymetalsoxidate,andbothareremoved; butgold,platina,andafewothersarenearlyindestructible,andfromtheirweight,sinkingtothebottom,areleftbehind。Afterwholemountainshavepassedthroughthisgrindingmill,andhavebeenwashedbythehandofnature,theresiduebecomesmetalliferous,andmanfindsitworthhiswhiletocompletethetaskofseparation。 Badastheabovetreatmentoftheminersappears,itisgladlyacceptedofbythem;fortheconditionofthelabouringagriculturistsismuchworse。 Theirwagesarelower,andtheylivealmostexclusivelyonbeans。Thispovertymustbechieflyowingtothefeudal-likesystemonwhichthelandistilled:thelandownergivesasmallplotofgroundtothelabourerforbuildingonandcultivating,andinreturnhashisservices(orthoseofaproxy)foreverydayofhislife,withoutanywages。Untilafatherhasagrown-upson,whocanbyhislabourpaytherent,thereisnoone,exceptonoccasionaldays,totakecareofhisownpatchofground。Henceextremepovertyisverycommonamongthelabouringclassesinthiscountry。 TherearesomeoldIndianruinsinthisneighbourhood,andIwasshownoneoftheperforatedstones,whichMolinamentionsasbeingfoundinmanyplacesinconsiderablenumbers。Theyareofacircularflattenedform,fromfivetosixinchesindiameter,withaholepassingquitethroughthecentre。Ithasgenerallybeensupposedthattheywereusedasheadstoclubs,althoughtheirformdoesnotappearatallwelladaptedforthatpurpose。Burchell[3]statesthatsomeofthetribesinSouthernAfricadiguprootsbytheaidofastickpointedatoneend,theforceandweightofwhichareincreasedbyaroundstonewithaholeinit,intowhichtheotherendisfirmlywedged。ItappearsprobablethattheIndiansofChileformerlyusedsomesuchrudeagriculturalinstrument。 Oneday,aGermancollectorinnaturalhistory,ofthenameofRenous,called,andnearlyatthesametimeanoldSpanishlawyer。Iwasamusedatbeingtoldtheconversationwhichtookplacebetweenthem。RenousspeaksSpanishsowell,thattheoldlawyermistookhimforaChilian。Renousalludingtome,askedhimwhathethoughtoftheKingofEnglandsendingoutacollectortotheircountry,topickuplizardsandbeetles,andtobreakstones?Theoldgentlemanthoughtseriouslyforsometime,andthensaid,“Itisnotwell,——_hayungatoencerradoaqui_(thereisacatshutuphere)。Nomanissorichastosendoutpeopletopickupsuchrubbish。Idonotlikeit:ifoneofusweretogoanddosuchthingsinEngland,donotyouthinktheKingofEnglandwouldverysoonsendusoutofhiscountry?”Andthisoldgentleman,fromhisprofession,belongstothebetterinformedandmoreintelligentclasses!Renoushimself,twoorthreeyearsbefore,leftinahouseatSanFernandosomecaterpillars,underchargeofagirltofeed,thattheymightturnintobutterflies。 Thiswasrumouredthroughthetown,andatlastthepadresandgovernorconsultedtogether,andagreeditmustbesomeheresy。Accordingly,whenRenousreturned,hewasarrested。 September19th——WeleftYaquil,andfollowedtheflatvalley,formedlikethatofQuillota,inwhichtheRioTinderidicaflows。EvenatthesefewmilessouthofSantiagotheclimateismuchdamper;inconsequencetherearefinetractsofpasturage,whicharenotirrigated。(20th。)Welfollowedthisvalleytillitexpandedintoagreatplain,whichreachesfromtheseatothemountainswestofRancagua。Weshortlylostalltreesandevenbushes;sothattheinhabitantsarenearlyasbadlyoffforfirewoodasthoseinthePampas。Neverhavingheardoftheseplains,IwasmuchsurprisedatmeetingwithsuchsceneryinChile。Theplainsbelongtomorethanoneseriesofdifferentelevations,andtheyaretraversedbybroadflat-bottomedvalleys;bothofwhichcircumstances,asinPatagonia,bespeaktheactionoftheseaongentlyrisingland。Inthesteepcliffsborderingthesevalleys,therearesomelargecaves,whichnodoubtwereoriginallyformedbythewaves:oneoftheseiscelebratedunderthenameofCuevadelObispo;havingformerlybeenconsecrated。DuringthedayIfeltveryunwell,andfromthattimetilltheendofOctoberdidnotrecover。 September22nd——Wecontinuedtopassovergreenplainswithoutatree。ThenextdaywearrivedatahousenearNavedad,onthesea-coast,wherearichHacienderogaveuslodgings。Istayedherethetwoensuingdays,andalthoughveryunwell,managedtocollectfromthetertiaryformationsomemarineshells。 24th——OurcoursewasnowdirectedtowardsValparaiso,whichwithgreatdifficultyIreachedonthe27th,andwasthereconfinedtomybedtilltheendofOctober。DuringthistimeIwasaninmateinMr。Corfield’shouse,whosekindnesstomeIdonotknowhowtoexpress。 IwillhereaddafewobservationsonsomeoftheanimalsandbirdsofChile。ThePuma,orSouthAmericanLion,isnotuncommon。Thisanimalhasawidegeographicalrange;beingfoundfromtheequatorialforests,throughoutthedesertsofPatagoniaasfarsouthasthedampandcoldlatitudes(53to54degs。)ofTierradelFuego。IhaveseenitsfootstepsintheCordilleraofcentralChile,atanelevationofatleast10,000feet。InLaPlatathepumapreyschieflyondeer,ostriches,bizcacha,andothersmallquadrupeds;itthereseldomattackscattleorhorses,andmostrarelyman。InChile,however,itdestroysmanyyounghorsesandcattle,owingprobablytothescarcityofotherquadrupeds:Iheard,likewise,oftwomenandawomanwhohadbeenthuskilled。Itisassertedthatthepumaalwayskillsitspreybyspringingontheshoulders,andthendrawingbacktheheadwithoneofitspaws,untilthevertebraebreak:IhaveseeninPatagoniatheskeletonsofguanacos,withtheirnecksthusdislocated。