The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 5
... position of man as an absolute endowment , or a self - evident axiom . This continued as long as natural science was limited to a merely superficial clas- sification of organisms . Man , as consisting of flesh and blood , seemed ...
... position of man as an absolute endowment , or a self - evident axiom . This continued as long as natural science was limited to a merely superficial clas- sification of organisms . Man , as consisting of flesh and blood , seemed ...
Стр. 11
... disputed only by naturalists , who , like Barrande , years ago anchored themselves to inalterable convictions in science , as in creed , to dogmas . These groups of facts , thus mutually referring to each POSITION OF PALEONTOLOGY . II II.
... disputed only by naturalists , who , like Barrande , years ago anchored themselves to inalterable convictions in science , as in creed , to dogmas . These groups of facts , thus mutually referring to each POSITION OF PALEONTOLOGY . II II.
Стр. 25
... position betwixt plants and animals . We gain the conviction that the roots of the vegetal . and animal kingdoms are not completely sundered , but , to continue the simile , mèrge imperceptibly into each other by means of a connective ...
... position betwixt plants and animals . We gain the conviction that the roots of the vegetal . and animal kingdoms are not completely sundered , but , to continue the simile , mèrge imperceptibly into each other by means of a connective ...
Стр. 29
... position of an animal in the system is defined , first , by the general attributes , which it has in common with the forms harmonizing with it in the main characters of their organization ; and , secondly , by the more special ...
... position of an animal in the system is defined , first , by the general attributes , which it has in common with the forms harmonizing with it in the main characters of their organization ; and , secondly , by the more special ...
Стр. 32
... position , and connects them more closely with the next division . In this , that of the Vermes , the systematizer of the old school finds his real difficulty ; in so many ways do they deviate from each other , so great is the distance ...
... position , and connects them more closely with the next division . In this , that of the Vermes , the systematizer of the old school finds his real difficulty ; in so many ways do they deviate from each other , so great is the distance ...
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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.