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
... action - Extinction caused by Natural Selection - Divergence of Character , related to the diversity of inhabitants of any small area , and to naturalisation - Action of Natural Selection , through Divergence of Character and Extinction ...
... action - Extinction caused by Natural Selection - Divergence of Character , related to the diversity of inhabitants of any small area , and to naturalisation - Action of Natural Selection , through Divergence of Character and Extinction ...
Page xiv
... action of the physical conditions of life , something to the crossing of already existing forms , and much to use and disuse , that is , to the effects of habit . To this latter agency he seems to attribute all the beautiful adaptations ...
... action of the physical conditions of life , something to the crossing of already existing forms , and much to use and disuse , that is , to the effects of habit . To this latter agency he seems to attribute all the beautiful adaptations ...
Page xvi
... action of the conditions of life . He clearly saw , how- ever , the full force of the principle of natural selection . The celebrated geologist and naturalist , Von Buch , in his ex- cellent Description Physique des Isles Canaries ...
... action of the conditions of life . He clearly saw , how- ever , the full force of the principle of natural selection . The celebrated geologist and naturalist , Von Buch , in his ex- cellent Description Physique des Isles Canaries ...
Page xix
... action incessante sur les êtres vivants détermine , à toutes les époques de l'existence du inonde , la forme , le volume , et la durée de chacun d'eux , en raison 66 de sa destinée dans l'ordre de choses dont il fait Historical Sketch .
... action incessante sur les êtres vivants détermine , à toutes les époques de l'existence du inonde , la forme , le volume , et la durée de chacun d'eux , en raison 66 de sa destinée dans l'ordre de choses dont il fait Historical Sketch .
Page 5
... directly on the whole organisation or on certain parts alone , and indirectly by affecting the reproductive system . With respect to the direct action , we must bear in mind that in every CHAP . I. 3 Variation under Domestication .
... directly on the whole organisation or on certain parts alone , and indirectly by affecting the reproductive system . With respect to the direct action , we must bear in mind that in every CHAP . I. 3 Variation under Domestication .
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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 formations formerly forms fossil Fritz Müller genera genus geological Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ larvæ 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 theory tion variability variations varieties vary whilst whole wings young