On the Origin of Species by Means of Natural Selection: Or The Preservation of Favored Races in the Struggle for Life, Volume 2 |
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Page v
... resemble varieties in being very closely , but unequally , related to each other , and in having restricted ranges 33-47 .. .. CHAPTER III . STRUGGLE FOR EXISTENCE . - Its bearing on natural selection - The term used in a wide sense ...
... resemble varieties in being very closely , but unequally , related to each other , and in having restricted ranges 33-47 .. .. CHAPTER III . STRUGGLE FOR EXISTENCE . - Its bearing on natural selection - The term used in a wide sense ...
Page xii
... resemblance of the hair - claspers of the Acarida . The probable use of the rattle to the Rattle - snake . Helmholtz ... resemblances , enlarged and modified . 382 Homological structure of the feet of certain marsupial 518 384 520 385 ...
... resemblance of the hair - claspers of the Acarida . The probable use of the rattle to the Rattle - snake . Helmholtz ... resemblances , enlarged and modified . 382 Homological structure of the feet of certain marsupial 518 384 520 385 ...
Page 13
... resemble , or are even identical with , those still exist- ing . But this only throws far backwards the history of civilisation , and shows that animals were domesticated at a much earlier period than has hitherto been supposed . The ...
... resemble , or are even identical with , those still exist- ing . But this only throws far backwards the history of civilisation , and shows that animals were domesticated at a much earlier period than has hitherto been supposed . The ...
Page 33
... resemble varieties in being very closely , but unequally , related to each other , and in having restricted ranges . - BEFORE applying the principles arrived at in the last chapter to organic beings in a state of nature , we must ...
... resemble varieties in being very closely , but unequally , related to each other , and in having restricted ranges . - BEFORE applying the principles arrived at in the last chapter to organic beings in a state of nature , we must ...
Page 34
... resemble normal structures in widely different animals . Thus pigs have occasionally been born with a sort of proboscis , and if any wild species of the same genus had naturally possessed a proboscis , it might have been argued that ...
... resemble normal structures in widely different animals . Thus pigs have occasionally been born with a sort of proboscis , and if any wild species of the same genus had naturally possessed a proboscis , it might have been argued that ...
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Common terms and phrases
adapted admit affinities allied species America analogous ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour continued crossed crustaceans degree developed difficulty distinct species doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation formerly forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number habits Hence hybrids important 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 reproductive resemblance rudimentary seeds sexual selection slight South America stamens sterility structure struggle successive supposed tend theory tion variability variations varieties vary whilst whole wings young