The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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... INDIVIDUAL ( ONTOGENESIS ) IS A RE- PETITION OF THE HISTORICAL DEVELOPMENT OF THE FAMILY ( PHYLOGENESIS ) X. THE GEOGRAPHICAL DISTRIBUTION OF ANIMALS IN THE LIGHT OF THE DOCTRINE OF DERIVATION • XI . THE PEDIGree of VerTEBRATE ANIMALS ...
... INDIVIDUAL ( ONTOGENESIS ) IS A RE- PETITION OF THE HISTORICAL DEVELOPMENT OF THE FAMILY ( PHYLOGENESIS ) X. THE GEOGRAPHICAL DISTRIBUTION OF ANIMALS IN THE LIGHT OF THE DOCTRINE OF DERIVATION • XI . THE PEDIGree of VerTEBRATE ANIMALS ...
Стр. 1
... individual . Every system of philosophy has endeavoured to penetrate into the nature of things , and has originated in the attempt to apprehend the coherency of those great series of material and spiritual phenomena , of which man flat ...
... individual . Every system of philosophy has endeavoured to penetrate into the nature of things , and has originated in the attempt to apprehend the coherency of those great series of material and spiritual phenomena , of which man flat ...
Стр. 2
... individual sciences , or in the sphere of commerce and industry , it is scarcely less wonderful how little certain or advanced is the opinion of the multitude on general questions . Even now , as much as in the days of Aristophanes ...
... individual sciences , or in the sphere of commerce and industry , it is scarcely less wonderful how little certain or advanced is the opinion of the multitude on general questions . Even now , as much as in the days of Aristophanes ...
Стр. 9
... individual parts , may be traced back without difficulty to the anterior extremities of a reptile or a mammal . But the leg of a bird , as a com- plete organ does not har- monize with the leg of other vertebrata until the develop- ment ...
... individual parts , may be traced back without difficulty to the anterior extremities of a reptile or a mammal . But the leg of a bird , as a com- plete organ does not har- monize with the leg of other vertebrata until the develop- ment ...
Стр. 10
... individuals represent series from the lower to the higher , analogous to the various members existing side by side in the same group of animals , -how , for instance , the mammal passes through ... individual ΙΟ THE DOCTRINE OF DESCENT .
... individuals represent series from the lower to the higher , analogous to the various members existing side by side in the same group of animals , -how , for instance , the mammal passes through ... individual ΙΟ THE DOCTRINE OF DESCENT .
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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.