The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 63
... continents finally attained its integral configuration . Within its limits fall the erection and upheaval of the great mountain chains , the Cordilleras , Alps , Himalayas , and others ; the outlines of the continents were , mean- while ...
... continents finally attained its integral configuration . Within its limits fall the erection and upheaval of the great mountain chains , the Cordilleras , Alps , Himalayas , and others ; the outlines of the continents were , mean- while ...
Стр. 64
... continents , as it will likewise be seen that during this era the higher terrestrial animals made . their appearance . The characters shown by the three great divisions . of the triassic formation are very various , especially as TRIAS ...
... continents , as it will likewise be seen that during this era the higher terrestrial animals made . their appearance . The characters shown by the three great divisions . of the triassic formation are very various , especially as TRIAS ...
Стр. 66
... continent covered with the latter ( that is to say , with the productive carboniferous strata ) , were seized with an opposite movement , and therefore sank , there would be deposited on the surface now again gradually becoming the bed ...
... continent covered with the latter ( that is to say , with the productive carboniferous strata ) , were seized with an opposite movement , and therefore sank , there would be deposited on the surface now again gradually becoming the bed ...
Стр. 78
... continents , not indeed without sundry local oscillations , are approximating to their present configuration , the impress of the Mammalia becomes predominant . Under the influence of elevations and depressions , of several glacial ...
... continents , not indeed without sundry local oscillations , are approximating to their present configuration , the impress of the Mammalia becomes predominant . Under the influence of elevations and depressions , of several glacial ...
Стр. 84
... continent had risen from the sea in regular progression . " I believe that I am not straying far from the truth , " he says , " if I affirm that in the infancy of the world all the mainland was submerged and covered by an enormous ocean ...
... continent had risen from the sea in regular progression . " I believe that I am not straying far from the truth , " he says , " if I affirm that in the infancy of the world all the mainland was submerged and covered by an enormous ocean ...
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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
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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 - 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.
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.