第47章

类别:其他 作者:Charles Darwin字数:5401更新时间:18/12/21 17:23:57
Thepuma,aftereatingitsfill,coversthecarcasswithmanylargebushes,andliesdowntowatchit。Thishabitisoftenthecauseofitsbeingdiscovered;forthecondorswheelingintheaireverynowandthendescendtopartakeofthefeast,andbeingangrilydrivenaway,risealltogetheronthewing。TheChilenoGuasothenknowsthereisalionwatchinghisprey——thewordisgiven——andmenanddogshurrytothechase。SirF。HeadsaysthataGauchointhepampas,uponmerelyseeingsomecondorswheelingintheair,cried“Alion!”Icouldnevermyselfmeetwithanyonewhopretendedtosuchpowersofdiscrimination。Itisassertedthat,ifapumahasoncebeenbetrayedbythuswatchingthecarcass,andhasthenbeenhunted,itneverresumesthishabit;butthat,havinggorgeditself,itwandersfaraway。Thepumaiseasilykilled。Inanopencountry,itisfirstentangledwiththebolas,thenlazoed,anddraggedalongthegroundtillrenderedinsensible。AtTandeel(southoftheplata),Iwastoldthatwithinthreemonthsonehundredwerethusdestroyed。InChiletheyaregenerallydrivenupbushesortrees,andaretheneithershot,orbaitedtodeathbydogs。Thedogsemployedinthischasebelongtoaparticularbreed,calledLeoneros:theyareweak,slightanimals,likelong-leggedterriers,butarebornwithaparticularinstinctforthissport。Thepumaisdescribedasbeingverycrafty:whenpursued,itoftenreturnsonitsformertrack,andthensuddenlymakingaspringononeside,waitstheretillthedogshavepassedby。Itisaverysilentanimal,utteringnocryevenwhenwounded,andonlyrarelyduringthebreedingseason。 Ofbirds,twospeciesofthegenusPteroptochos(megapodiusandalbicollisofKittlitz)areperhapsthemostconspicuous。Theformer,calledbytheChilenos“elTurco。”isaslargeasafieldfare,towhichbirdithassomealliance;butitslegsaremuchlonger,tailshorter,andbeakstronger: itscolourisareddishbrown。TheTurcoisnotuncommon。Itlivesontheground,shelteredamongthethicketswhicharescatteredoverthedryandsterilehills。Withitstailerect,andstilt-likelegs,itmaybeseeneverynowandthenpoppingfromonebushtoanotherwithuncommonquickness。 Itreallyrequireslittleimaginationtobelievethatthebirdisashamedofitself,andisawareofitsmostridiculousfigure。Onfirstseeingit,oneistemptedtoexclaim,“Avilelystuffedspecimenhasescapedfromsomemuseum,andhascometolifeagain!”Itcannotbemadetotakeflightwithoutthegreatesttrouble,nordoesitrun,butonlyhops。Thevariousloudcrieswhichitutterswhenconcealedamongstthebushes,areasstrangeasitsappearance。Itissaidtobuilditsnestinadeepholebeneaththeground。Idissectedseveralspecimens:thegizzard,whichwasverymuscular,containedbeetles,vegetablefibres,andpebbles。Fromthischaracter,fromthelengthofitslegs,scratchingfeet,membranouscoveringtothenostrils,shortandarchedwings,thisbirdseemsinacertaindegreetoconnectthethrusheswiththegallinaceousorder。 Thesecondspecies(orP。albicollis)isalliedtothefirstinitsgeneralform。ItiscalledTapacolo,or“coveryourposterior;“andwelldoestheshamelesslittlebirddeserveitsname;foritcarriesitstailmorethanerect,thatis,inclinedbackwardstowardsitshead。Itisverycommon,andfrequentsthebottomsofhedge-rows,andthebushesscatteredoverthebarrenhills,wherescarcelyanotherbirdcanexist。Initsgeneralmanneroffeeding,ofquicklyhoppingoutofthethicketsandbackagain,initsdesireofconcealment,unwillingnesstotakeflight,andnidification,itbearsacloseresemblancetotheTurco;butitsappearanceisnotquitesoridiculous。TheTapacoloisverycrafty:whenfrightenedbyanyperson,itwillremainmotionlessatthebottomofabush,andwillthen,afteralittlewhile,trywithmuchaddresstocrawlawayontheoppositeside。 Itisalsoanactivebird,andcontinuallymakinganoise:thesenoisesarevariousandstrangelyodd;somearelikethecooingofdoves,otherslikethebubblingofwater,andmanydefyallsimiles。Thecountrypeoplesayitchangesitscryfivetimesintheyear——accordingtosomechangeofseason,Isuppose。[4] Twospeciesofhumming-birdsarecommon;Trochilusforficatusisfoundoveraspaceof2500milesonthewestcoast,fromthehotdrycountryofLima,totheforestsofTierradelFuego——whereitmaybeseenflittingaboutinsnow-storms。InthewoodedislandofChiloe,whichhasanextremelyhumidclimate,thislittlebird,skippingfromsidetosideamidstthedrippingfoliage,isperhapsmoreabundantthanalmostanyotherkind。 Iopenedthestomachsofseveralspecimens,shotindifferentpartsofthecontinent,andinall,remainsofinsectswereasnumerousasinthestomachofacreeper。Whenthisspeciesmigratesinthesummersouthward,itisreplacedbythearrivalofanotherspeciescomingfromthenorth。 Thissecondkind(Trochilusgigas)isaverylargebirdforthedelicatefamilytowhichitbelongs:whenonthewingitsappearanceissingular。 Likeothersofthegenus,itmovesfromplacetoplacewitharapiditywhichmaybecomparedtothatofSyrphusamongstflies,andSphinxamongmoths;butwhilsthoveringoveraflower,itflapsitswingswithaveryslowandpowerfulmovement,totallydifferentfromthatvibratoryonecommontomostofthespecies,whichproducesthehummingnoise。Ineversawanyotherbirdwheretheforceofitswingsappeared(asinabutterfly)sopowerfulinproportiontotheweightofitsbody。Whenhoveringbyaflower,itstailisconstantlyexpandedandshutlikeafan,thebodybeingkeptinanearlyverticalposition。Thisactionappearstosteadyandsupportthebird,betweentheslowmovementsofitswings。Althoughflyingfromflowertoflowerinsearchoffood,itsstomachgenerallycontainedabundantremainsofinsects,whichIsuspectaremuchmoretheobjectofitssearchthanhoney。Thenoteofthisspecies,likethatofnearlythewholefamily,isextremelyshrill。[1]Caldeleugh,inPhilosoph。Transact。for1836。 [2]AnnalesdesSciencesNaturelles,March,1833。 M。Gay,azealousandablenaturalist,wasthenoccupiedinstudyingeverybranchofnaturalhistorythroughoutthekingdomofChile。 [3]Burchess’sTravels,vol。ii。p。45。 [4]Itisaremarkablefact,thatMolina,thoughdescribingindetailallthebirdsandanimalsofChile,neveroncementionsthisgenus,thespeciesofwhicharesocommon,andsoremarkableintheirhabits。Washeatalosshowtoclassifythem,anddidheconsequentlythinkthatsilencewasthemoreprudentcourse?Itisonemoreinstanceofthefrequencyofomissionsbyauthors,onthoseverysubjectswhereitmighthavebeenleastexpected。PreviousChapterNextChapterTheVoyageoftheBeagle-Chapter13TheVoyageoftheBeaglebyCharlesDarwinPreviousChapterNextChapterChapter13-ChiloeandChonosIslandsNOVEMBER10th——TheBeaglesailedfromValparaisotothesouth,forthepurposeofsurveyingthesouthernpartofChile,theislandofChiloe,andthebrokenlandcalledtheChonosArchipelago,asfarsouthasthePeninsulaofTresMontes。Onthe21stweanchoredinthebayofS。Carlos,thecapitalofChiloe。 Thisislandisaboutninetymileslong,withabreadthofratherlessthanthirty。Thelandishilly,butnotmountainous,andiscoveredbyonegreatforest,exceptwhereafewgreenpatcheshavebeenclearedroundthethatchedcottages。FromadistancetheviewsomewhatresemblesthatofTierradelFuego;butthewoods,whenseennearer,areincomparablymorebeautiful。Manykindsoffineevergreentrees,andplantswithatropicalcharacter,heretaketheplaceofthegloomybeechofthesouthernshores。 Inwintertheclimateisdetestable,andinsummeritisonlyalittlebetter。Ishouldthinktherearefewpartsoftheworld,withinthetemperateregions,wheresomuchrainfalls。Thewindsareveryboisterous,andtheskyalmostalwaysclouded:tohaveaweekoffineweatherissomethingwonderful。ItisevendifficulttogetasingleglimpseoftheCordillera: duringourfirstvisit,onceonlythevolcanoofOsornostoodoutinboldrelief,andthatwasbeforesunrise;itwascurioustowatch,asthesunrose,theoutlinegraduallyfadingawayintheglareoftheeasternsky。 Theinhabitants,fromtheircomplexionandlowstature;appeartohavethree-fourthsofIndianbloodintheirveins。Theyareanhumble,quiet,industrioussetofmen。Althoughthefertilesoil,resultingfromthedecompositionofthevolcanicrocks,supportsarankvegetation,yettheclimateisnotfavourabletoanyproductionwhichrequiresmuchsunshinetoripenit。 Thereisverylittlepastureforthelargerquadrupeds;andinconsequence,thestaplearticlesoffoodarepigs,potatoes,andfish。Thepeoplealldressinstrongwoollengarments,whicheachfamilymakesforitself,anddyeswithindigoofadarkbluecolour。Thearts,however,areintherudeststate;——asmaybeseenintheirstrangefashionofploughing,theirmethodofspinning,grindingcorn,andintheconstructionoftheirboats。Theforestsaresoimpenetrable,thatthelandisnowherecultivatedexceptnearthecoastandontheadjoiningislets。Evenwherepathsexist,theyarescarcelypassablefromthesoftandswampystateofthesoil。Theinhabitants,likethoseofTierradelFuego,moveaboutchieflyonthebeachorinboats。 Althoughwithplentytoeat,thepeopleareverypoor:thereisnodemandforlabour,andconsequentlythelowerorderscannotscrapetogethermoneysufficienttopurchaseeventhesmallestluxuries。Thereisalsoagreatdeficiencyofacirculatingmedium。Ihaveseenamanbringingonhisbackabagofcharcoal,withwhichtobuysometrifle,andanothercarryingaplanktoexchangeforabottleofwine。Henceeverytradesmanmustalsobeamerchant,andagainsellthegoodswhichhetakesinexchange。 November24th——Theyawlandwhale-boatweresentunderthecommandofMr。(nowCaptain)Sulivan,tosurveytheeasternorinlandcoastofChiloe;andwithorderstomeettheBeagleatthesouthernextremityoftheisland;towhichpointshewouldproceedbytheoutside,soasthustocircumnavigatethewhole。Iaccompaniedthisexpedition,butinsteadofgoingintheboatsthefirstday,IhiredhorsestotakemetoChacao,atthenorthernextremityoftheisland。Theroadfollowedthecoast;everynowandthencrossingpromontoriescoveredbyfineforests。Intheseshadedpathsitisabsolutelynecessarythatthewholeroadshouldbemadeoflogsofwood,whicharesquaredandplacedbythesideofeachother。Fromtheraysofthesunneverpenetratingtheevergreenfoliage,thegroundissodampandsoft,thatexceptbythismeansneithermannorhorsewouldbeabletopassalong。IarrivedatthevillageofChacaoshortlyafterthetentsbelongingtotheboatswerepitchedforthenight。 Thelandinthisneighbourhoodhasbeenextensivelycleared,andthereweremanyquietandmostpicturesquenooksintheforest。Chacaowasformerlytheprincipalportintheisland;butmanyvesselshavingbeenlost,owingtothedangerouscurrentsandrocksinthestraits,theSpanishgovernmentburntthechurch,andthusarbitrarilycompelledthegreaternumberofinhabitantstomigratetoS。Carlos。Wehadnotlongbivouacked,beforethebarefootedsonofthegovernorcamedowntoreconnoitreus。SeeingtheEnglishflaghoistedattheyawl’smast-head,heaskedwiththeutmostindifference,whetheritwasalwaystoflyatChacao。Inseveralplacestheinhabitantsweremuchastonishedattheappearanceofmen-of-war’sboats,andhopedandbelieveditwastheforerunnerofaSpanishfleet,comingtorecovertheislandfromthepatriotgovernmentofChile。Allthemeninpower,however,hadbeeninformedofourintendedvisit,andwereexceedinglycivil。Whilewewereeatingoursupper,thegovernorpaidusavisit。Hehadbeenalieutenant-colonelintheSpanishservice,butnowwasmiserablypoor。Hegaveustwosheep,andacceptedinreturntwocottonhandkerchiefs,somebrasstrinkets,andalittletobacco。 25th——Torrentsofrain:wemanaged,however,torundownthecoastasfarasHuapi-lenou。ThewholeofthiseasternsideofChiloehasoneaspect;itisaplain,brokenbyvalleysanddividedintolittleislands,andthewholethicklycoveredwithoneimperviousblackish-greenforest。 Onthemarginstherearesomeclearedspaces,surroundingthehigh-roofedcottages。