A New Theory of Organic EvolutionW. Blackwood and Sons, 1903 - 174 páginas |
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Página 14
... become an unshakable conviction , we may accept it without hesitation . " Now , evidence of this character is pro- vided by the uniform experience of skilful breeders of all domestic animals ; but we shall deal only with the breeding of ...
... become an unshakable conviction , we may accept it without hesitation . " Now , evidence of this character is pro- vided by the uniform experience of skilful breeders of all domestic animals ; but we shall deal only with the breeding of ...
Página 24
... become a higher expres- sion of the type of its race than either parent , is it selected for improvement of the herd . Selective breeding thus co - operates with Nature , and thereby attains more promptly CROSS - FERTILISATION OF OATS ...
... become a higher expres- sion of the type of its race than either parent , is it selected for improvement of the herd . Selective breeding thus co - operates with Nature , and thereby attains more promptly CROSS - FERTILISATION OF OATS ...
Página 26
... If mulattoes married whites , they might ulti- mately become absorbed in the white popu- lation , but this is doubtful . It has been stated that octoroons die at an early age , and it may be that where the 26 THE HUMAN RACE.
... If mulattoes married whites , they might ulti- mately become absorbed in the white popu- lation , but this is doubtful . It has been stated that octoroons die at an early age , and it may be that where the 26 THE HUMAN RACE.
Página 50
... become perfect in a successor . This explanation of the origin of frag- mentary organs also explains why stages of evolution that , according to Darwinism , should be continuous in the embryo , do not appear in the embryonic development ...
... become perfect in a successor . This explanation of the origin of frag- mentary organs also explains why stages of evolution that , according to Darwinism , should be continuous in the embryo , do not appear in the embryonic development ...
Página 62
... become “ a case of some general law of Nature " when it can be explained ? Was it a " miracle " that water should rise above its level into a vacuum before Torricelli explained the nature of a vacuum , and afterwards only a case of some ...
... become “ a case of some general law of Nature " when it can be explained ? Was it a " miracle " that water should rise above its level into a vacuum before Torricelli explained the nature of a vacuum , and afterwards only a case of some ...
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According to Darwin accumulation of beneficial ADAM BEDE antecessor appeared Author beneficial differences Blackwood breeder cattle cessive CHAPTER Cheap Edition Cheaper Church of Scotland CLASSICS FOR ENGLISH cloth colour common-sense conclusions conditions of existence Crown 8vo Darwin Darwinian Demy 8vo disuse domestic animals embryo ence evidence evolution evolved expression of type Fcap force French morocco genera George Eliot germ-cell germ-plasm gilt top growth habits History hybrids hypothesis J. G. Lockhart Jacquard loom JAMES JOHN Lectures less highly specialised limp LL.D loom mammal Maps modification natural selection numerous Illustrations OLIPHANT organisation organs Origin of Species paper cover People's Edition phenomena Philosophy Photogravure physique plant Poems Portrait Post 8vo Prof progeny rock-pigeon Romance royal 8vo Scottish Second Edition Second Impression secondary causes seed selective breeding Specific life-force specific variation struggle for existence successive types successor theory Third Edition tion University of Edinburgh vols whale wild species WILLIAM
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