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1、TheVariationofAnimalsandPlantsunderDomesticationVolumenICharlesDarwinWorkreproducedwithnoeditorialresponsibilityNoticebyLuarnaEdicionesThisbookisinthepublicdomainbecausethecopyrightshaveexpiredunderSpanishlaw.Luarnapresentsithereasagifttoitscus-tomers,whileclarifyingthe
2、following:1)Becausethiseditionhasnotbeensuper-visedbyoureditorialdeparment,wedisclaimresponsibilityforthefidelityofitscontent.2)Luarnahasonlyadaptedtheworktomakeiteasilyviewableoncommonsix-inchreaders.3)Toalleffects,thisbookmustnotbecon-sideredtohavebeenpublishedbyLuarn
3、a.www.luarna.comINTRODUCTION.Theobjectofthisworkisnottodescribeallthemanyracesofanimalswhichhavebeendomes-ticatedbyman,andoftheplantswhichhavebeencultivatedbyhim;evenifIpossessedtherequisiteknowledge,sogiganticanundertak-ingwouldbeheresuperfluous.Itismyinten-tiontogiveu
4、ndertheheadofeachspeciesonlysuchfactsasIhavebeenabletocollectorob-serve,showingtheamountandnatureofthechangeswhichanimalsandplantshaveunder-gonewhilstunderman'sdominion,orwhichbearonthegeneralprinciplesofvariation.Inonecasealone,namelyinthatofthedomesticpigeon,Iwilldesc
5、ribefullyallthechiefraces,theirhistory,theamountandnatureoftheirdifferences,andtheprobablestepsbywhichtheyhavebeenformed.Ihaveselectedthiscase,because,asweshallhereaftersee,thema-terialsarebetterthaninanyother;andonecasefullydescribedwillinfactillustrateallothers.ButIsh
6、allalsodescribedomesticatedrabbits,fowls,andducks,withconsiderablefulness.Thesubjectsdiscussedinthisvolumearesoconnectedthatitisnotalittledifficulttodecidehowtheycanbebestarranged.Ihavedeter-minedinthefirstparttogive,undertheheadsofthevariousanimalsandplants,alargebodyo
7、ffacts,someofwhichmayatfirstappearbutlittlerelatedtooursubject,andtodevotethelatterparttogeneraldiscussions.WheneverIhavefounditnecessarytogivenumerousde-tails,insupportofanypropositionorconclu-sion,smalltypehasbeenused.(Hereshownwith[].)Thereaderwill,Ithink,findthispla
8、naconvenience,for,ifhedoesnotdoubtthecon-clusionorcareaboutthedetails,hecaneasilypassthemover;yetImaybepermitt