The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life |
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Page vi
... parent - Ex- plains the grouping of all organic beings - Advance in organ- isation - Low forms preserved - Convergence of Character- Indefinite multiplication of species - Summary • . 97 CHAPTER V. LAWS OF VARIATION . Effects of changed ...
... parent - Ex- plains the grouping of all organic beings - Advance in organ- isation - Low forms preserved - Convergence of Character- Indefinite multiplication of species - Summary • . 97 CHAPTER V. LAWS OF VARIATION . Effects of changed ...
Page xxv
... parent - form . In June , 1859 , Professor Huxley gave a lecture be- fore the Royal Institution on the Persistent Types of Animal Life . ' Referring to such cases , he remarks , " It is difficult to comprehend the meaning of such facts ...
... parent - form . In June , 1859 , Professor Huxley gave a lecture be- fore the Royal Institution on the Persistent Types of Animal Life . ' Referring to such cases , he remarks , " It is difficult to comprehend the meaning of such facts ...
Page 7
... somewhat differ- ent from , those to which the parent species had been exposed under nature . There is , also , some probability in the view propounded by Andrew Knight , that this 3 CHAP . I. ] VARIATION UNDER DOMESTICATION .
... somewhat differ- ent from , those to which the parent species had been exposed under nature . There is , also , some probability in the view propounded by Andrew Knight , that this 3 CHAP . I. ] VARIATION UNDER DOMESTICATION .
Page 9
... parent or from some more remote ancestor . Even strongly - marked differences occasionally appear in the young of the same litter , and in seedlings from the same seed - capsule . At long intervals of time , out of millions of ...
... parent or from some more remote ancestor . Even strongly - marked differences occasionally appear in the young of the same litter , and in seedlings from the same seed - capsule . At long intervals of time , out of millions of ...
Page 15
... parent — say , once amongst several million individuals - and it reappears in the child , the mere doctrine of chances almost compels us to attribute its reappearance to inheritance . Every one must have heard of cases of albinism ...
... parent — say , once amongst several million individuals - and it reappears in the child , the mere doctrine of chances almost compels us to attribute its reappearance to inheritance . Every one must have heard of cases of albinism ...
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Common terms and phrases
adapted affinities allied species America ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour common continent crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellę larvę less living males mammals manner marsupials migration modified descendants natural selection naturalists nearly nest occasionally offspring organisation organs parent peculiar perfect pigeon pistil pollen present principle probably produced progenitor quadrupeds ranked remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed swimbladder tend theory tion trees variability variations varieties vary whilst whole wings young