The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 5
... able , unrebuked , to indulge his whim , by specially discussing our race in his description of the ass . Only when , quite recently , the world became aware that the word " affinity , " hitherto uttered with supreme indifference , was ...
... able , unrebuked , to indulge his whim , by specially discussing our race in his description of the ass . Only when , quite recently , the world became aware that the word " affinity , " hitherto uttered with supreme indifference , was ...
Стр. 7
... able to survey the whole ramified and complicated problem of the doctrine of Descent , and its foundation by Darwin , and to enable him to understand its cardinal points . But we must first dispose of a preliminary question of uni ...
... able to survey the whole ramified and complicated problem of the doctrine of Descent , and its foundation by Darwin , and to enable him to understand its cardinal points . But we must first dispose of a preliminary question of uni ...
Стр. 16
... able to reduce to a single formula the motions of the largest heavenly body and of the lightest atom . To such a mind nothing would be uncertain , and the future , like the past , would lie open before it . The human mind in all the ...
... able to reduce to a single formula the motions of the largest heavenly body and of the lightest atom . To such a mind nothing would be uncertain , and the future , like the past , would lie open before it . The human mind in all the ...
Стр. 26
... able to accommodate our- selves to the idea of a living mass either absolutely formless and undefined , or defined arbitrarily and acci- dentally . Let any one , who either cannot or will not . do this , pause for a moment to ...
... able to accommodate our- selves to the idea of a living mass either absolutely formless and undefined , or defined arbitrarily and acci- dentally . Let any one , who either cannot or will not . do this , pause for a moment to ...
Стр. 38
... able to adduce any reason why the classes and types should be able to break through their limits , and indeed most frequently without feeling any need of accounting for the failure of the rigid system . III . The Phenomena of ...
... able to adduce any reason why the classes and types should be able to break through their limits , and indeed most frequently without feeling any need of accounting for the failure of the rigid system . III . The Phenomena of ...
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according adaptation already Ammonites Amphibians animal world apes appearance Ascidian become birds brain carboniferous causes Cetacea character characteristics comparative anatomy complete connection continent Darwin dentition derivation diverge doctrine of Descent Echinoderms embryonic Eocene exhibit existence external facts families fauna fish formation fossil Ganoids Gastrula genera genus geological Goethe grade gradually groups Haeckel heredity higher horse human hypothesis idea individual infer Insectivora intermediate forms islands lancelet language larva larvæ likewise linguistic lower mammals Marsupials Medusa ment merely metamorphosis modifications morphological mutability natural selection observation Oolite organisms origin peculiar pedigree perfect period phase phenomena placenta plants polypes possess present primordial progenitors races relations remains reproduction reptiles resemblance Rütimeyer says scarcely scientific separate sexual Silurian skull species strata structure systematic terrestrial animals Tertiary theory of selection tion transformation transition true Ungulata Ungulates varieties vertebral column Vertebrata vertebrate animals whole
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Стр. 162 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.18 Darwin always knew that his views would be controversial. A few days before The Origin of Species appeared, Darwin wrote, in a letter to Wallace, 'God knows what...
Стр. 160 - Na'geli on plants, and the remarks by various authors with respect to animals, more especially those recently made by Professor Broca, that in the earlier editions of my Origin of Species I perhaps attributed too much to the action of natural selection or the survival of the fittest.