On-the-Origin-of-Species

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1、OntheOriginofSpeciesbyCharlesDarwinWeb-Books.ComOntheOriginofSpeciesOntheOriginofSpecies.....................................................................................................2Introduction..............................................................................

2、...........................................3VariationUnderDomestication..........................................................................................6VariationUnderNature..................................................................................................

3、...27StruggleForExistence......................................................................................................38NaturalSelection;OrTheSurvivalOfTheFittest...........................................................48LawsOfVariation.................................

4、............................................................................82DifficultiesOfTheTheory.............................................................................................103MiscellaneousObjectionsToTheTheoryOfNaturalSelection...............................

5、.....129Instinct.............................................................................................................................156Hybridism.......................................................................................................................179OnThe

6、ImperfectionOfTheGeologicalRecord...........................................................201OnTheGeologicalSuccessionOfOrganicBeings........................................................219GeographicalDistribution..............................................................

7、.................................239GeographicalDistribution—continued...........................................................................259MutualAffinitiesOfOrganicBeings:Morphology--Embryology--RudimentaryOrgans...........................................................

8、........................................