The Doctrine of Descent and DarwinismD. Appleton, 1875 - 334 من الصفحات |
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الصفحة 1
... of the present day , the followers and reformers of Schopenhauer's system , re- gard the world as a mere accumulation of discomfort and conflict , from which the sage may escape by a complete withdrawal into himself , and a return , by.
... of the present day , the followers and reformers of Schopenhauer's system , re- gard the world as a mere accumulation of discomfort and conflict , from which the sage may escape by a complete withdrawal into himself , and a return , by.
الصفحة 5
... merely superficial clas- sification of organisms . Man , as consisting of flesh and blood , seemed , indeed , akin to the higher animals ; but so long as their descent , their actual consanguinity was not discussed , so long as nothing ...
... merely superficial clas- sification of organisms . Man , as consisting of flesh and blood , seemed , indeed , akin to the higher animals ; but so long as their descent , their actual consanguinity was not discussed , so long as nothing ...
الصفحة 8
... mere classification of the stars and constellations , and the knowledge of their apparent motions , so do we also range our material in large groups , and this in the manner offered by the historical development of science . What first ...
... mere classification of the stars and constellations , and the knowledge of their apparent motions , so do we also range our material in large groups , and this in the manner offered by the historical development of science . What first ...
الصفحة 9
... mere description of nature . But it yields a far more accurate knowledge . In many cases . it discloses , for ... merely by the subsequent anchylosis of bones , which generally re- main separate . The complete leg of the bird ( A ) ...
... mere description of nature . But it yields a far more accurate knowledge . In many cases . it discloses , for ... merely by the subsequent anchylosis of bones , which generally re- main separate . The complete leg of the bird ( A ) ...
الصفحة 10
... merely descriptive . branch of erudition . But if we now perceive how the evolutionary stages of individuals represent series from the lower to the higher , analogous to the various members existing side by side in the same group of ...
... merely descriptive . branch of erudition . But if we now perceive how the evolutionary stages of individuals represent series from the lower to the higher , analogous to the various members existing side by side in the same group of ...
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عبارات ومصطلحات مألوفة
according adaptation already Ammonites Amphibians animal world apes appearance Ascidian become birds brain causes Cetacea character characteristics comparative anatomy complete connection continent Darwin dentition derivation diverge doctrine of Descent Echinoderms embryonic Eocene exhibit 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 intermediate forms islands lancelet language larva larvæ likewise linguistic Linnæus 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 sponges strata structure systematic terrestrial animals Tertiary theory of selection tion transformation transition true Ungulata Ungulates varieties vegetal vertebral column Vertebrata vertebrate animals whole
مقاطع مشهورة
الصفحة 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...
الصفحة 160 - I had not formerly sufficiently considered the existence of many structures which appear to be, as far as we can judge, neither beneficial nor injurious ; and this I believe to be one of the greatest oversights as yet detected in my work.
الصفحة 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.