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 xvii
... distinct creations in and for those islands respectively . Always , also , it may be well to bear in mind that by the word ' creation ' the zoologist means ' a process he knows not what . " " He amplifies this idea by adding that when ...
... distinct creations in and for those islands respectively . Always , also , it may be well to bear in mind that by the word ' creation ' the zoologist means ' a process he knows not what . " " He amplifies this idea by adding that when ...
Page xxi
... distinct have descended from a single parent - form . In June , 1859 , Professor Huxley gave a lecture before the Royal Institution on the ' Persistent Types of Animal Life . ' Referring to such cases , he remarks , " It is difficult to ...
... distinct have descended from a single parent - form . In June , 1859 , Professor Huxley gave a lecture before the Royal Institution on the ' Persistent Types of Animal Life . ' Referring to such cases , he remarks , " It is difficult to ...
Page 8
... distinct trees , growing under different conditions , have sometimes yielded nearly the same variety - for instance , buds on peach - trees producing nectarines , and buds on common roses producing moss - roses - we clearly see that the ...
... distinct trees , growing under different conditions , have sometimes yielded nearly the same variety - for instance , buds on peach - trees producing nectarines , and buds on common roses producing moss - roses - we clearly see that the ...
Page 14
... distinct from those of Germany , and so with Hungary , Spain , etc. , but that each of these kingdoms possesses several peculiar breeds of cattle , sheep , etc. , we must admit that many domestic breeds must have originated in Europe ...
... distinct from those of Germany , and so with Hungary , Spain , etc. , but that each of these kingdoms possesses several peculiar breeds of cattle , sheep , etc. , we must admit that many domestic breeds must have originated in Europe ...
Page 18
... distinct breeds . Now , hardly any cases have been ascertained with certainty of hybrids from two quite distinct species of animals being perfectly fertile . Some authors believe that long - continued domestication eliminates this ...
... distinct breeds . Now , hardly any cases have been ascertained with certainty of hybrids from two quite distinct species of animals being perfectly fertile . Some authors believe that long - continued domestication eliminates this ...
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Common terms and phrases
accumulated adapted admit affinities allied species America analogous ancient appear beak become bees believe belonging birds breeds cause cells characters climate closely allied colour continued crossed crustaceans degree developed difficulty distinct species domestic animals doubt effects eggs embryo existing extinct extremely facts favourable female fertilised fertility flowers formation formerly forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number habits Hence hybrids important increase individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellę larvę less living male mammals manner Marsupials migration modified descendants natural selection naturalists nearly nest occasionally occur oceanic islands offspring organisation organs parent peculiar perfect pigeon pistil pollen present preserved principle probably produced quadrupeds ranked reciprocal crosses remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed tend theory tion variability variations varieties vary whilst whole wings young