On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life |
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Page 2
... the generous assistance which I have received from very many naturalists , some of them personally unknown to me . I cannot , however , let this opportunity pass without expressing my deep obligations to 2 INTRODUCTION .
... the generous assistance which I have received from very many naturalists , some of them personally unknown to me . I cannot , however , let this opportunity pass without expressing my deep obligations to 2 INTRODUCTION .
Page 3
... naturalist , reflecting on the mutual affinities of organic beings , on their embryological rela- tions , their ... Naturalists continually refer to external con- ditions , such as climate , food , & c . , as the only possible cause ...
... naturalist , reflecting on the mutual affinities of organic beings , on their embryological rela- tions , their ... Naturalists continually refer to external con- ditions , such as climate , food , & c . , as the only possible cause ...
Page 4
... naturalists . From these considerations , I shall devote the first chapter of this Abstract to Variation under Domestication . We shall thus see that a large amount of hereditary modification is at least possible ; and , what is equally ...
... naturalists . From these considerations , I shall devote the first chapter of this Abstract to Variation under Domestication . We shall thus see that a large amount of hereditary modification is at least possible ; and , what is equally ...
Page 6
... naturalists enter- tain , and which I formerly entertained - namely , that each species has been independently created - is erro- neous . I am fully convinced that species are not im- mutable ; but that those belonging to what are ...
... naturalists enter- tain , and which I formerly entertained - namely , that each species has been independently created - is erro- neous . I am fully convinced that species are not im- mutable ; but that those belonging to what are ...
Page 14
... naturalists— namely , that our domestic varieties , when run wild , gradually but certainly revert in character to their aboriginal stocks . Hence it has been argued that no deductions can be drawn from domestic races to species in a ...
... naturalists— namely , that our domestic varieties , when run wild , gradually but certainly revert in character to their aboriginal stocks . Hence it has been argued that no deductions can be drawn from domestic races to species in a ...
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Common terms and phrases
accumulated adapted affinities allied species America amount analogous ancient animals appear become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo Europe existing exterminated extinct extremely facts favourable Fcap fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ less living male mammals manner Marsupials migration modification modified descendants natural selection naturalists nearly nest oceanic islands offspring organisation perfect pigeons plants pollen present probably produced progenitor racters ranked reciprocal crosses remarked resemble rock-pigeon rudimentary organs seeds sexual selection Silurian slight South America sterility structure struggle successive supposed tend theory tion variability variations varieties vary whole widely