The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 7
... say then that we must obtain a foundation for the theory of derivation or descent , for the doctrine of the gradual and direct development of the higher and now - existing organisms from lower ancestral forms - in short , for the ...
... say then that we must obtain a foundation for the theory of derivation or descent , for the doctrine of the gradual and direct development of the higher and now - existing organisms from lower ancestral forms - in short , for the ...
Стр. 8
... say , with series of phenomena mutually connected as causes and effects , the knowledge of which , therefore , leads at once to results satisfactory and tranquillizing to the mind . This description , at first limited to the exterior ...
... say , with series of phenomena mutually connected as causes and effects , the knowledge of which , therefore , leads at once to results satisfactory and tranquillizing to the mind . This description , at first limited to the exterior ...
Стр. 10
... say that the astragalus ( c ) re- places the tarsus and metatarsus . But this is not the case ; for the chick in the egg ( B ) shows that the bird's leg consists of the thigh , or femur ( a ) , and the shank or tibia ( b ) , two tarsal ...
... say that the astragalus ( c ) re- places the tarsus and metatarsus . But this is not the case ; for the chick in the egg ( B ) shows that the bird's leg consists of the thigh , or femur ( a ) , and the shank or tibia ( b ) , two tarsal ...
Стр. 11
... say , without any incomprehensible act of creation ; and during this slow transformation of the earth's crust , we see living beings also gradually increasing , differentiating , and perfecting themselves . Yet more . As was first ...
... say , without any incomprehensible act of creation ; and during this slow transformation of the earth's crust , we see living beings also gradually increasing , differentiating , and perfecting themselves . Yet more . As was first ...
Стр. 13
... says , " are not even miracles . They do not even repeal the laws of nature ; they merely release single occurrences ... say that it is contrary to the nature of the stone that gravity should be apparently overpowered for a few moments ...
... says , " are not even miracles . They do not even repeal the laws of nature ; they merely release single occurrences ... say that it is contrary to the nature of the stone that gravity should be apparently overpowered for a few moments ...
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Часто встречающиеся слова и выражения
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.