The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
Результаты поиска по книге
Результаты 1 – 5 из 35
Стр. 28
... divisions of the alimentary canal are each provided with special glands . The rich psychical life , all the actions which imply intelligence , SYSTEMATIC ARRANGEMENT . 29 calculation , and perception of external 28 TIIE DOCTRINE OF DESCENT ...
... divisions of the alimentary canal are each provided with special glands . The rich psychical life , all the actions which imply intelligence , SYSTEMATIC ARRANGEMENT . 29 calculation , and perception of external 28 TIIE DOCTRINE OF DESCENT ...
Стр. 29
... division of labour . In one animal , as in the other , life is spent in the function of self - preservation and the maintenance of the species , or reproduction ; in both , the cycle of phenomena is limited , unbroken ; but the means of ...
... division of labour . In one animal , as in the other , life is spent in the function of self - preservation and the maintenance of the species , or reproduction ; in both , the cycle of phenomena is limited , unbroken ; but the means of ...
Стр. 30
... divisions , in each of which expression is given to a peculiar constitution , arrangement , and distribution of the organs ; in short , to a peculiar style . The sum of these characteristic . peculiarities , as well as the whole of the ...
... divisions , in each of which expression is given to a peculiar constitution , arrangement , and distribution of the organs ; in short , to a peculiar style . The sum of these characteristic . peculiarities , as well as the whole of the ...
Стр. 32
... 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 between the lower and the higher forms ; and after ...
... 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 between the lower and the higher forms ; and after ...
Стр. 40
... division . Frequently , however , it does not stop at bisection ; the motion of the minute constituents , which causes the fission , proceeds in such a manner that the halves are again divided , and the quarters yet again , the whole ...
... division . Frequently , however , it does not stop at bisection ; the motion of the minute constituents , which causes the fission , proceeds in such a manner that the halves are again divided , and the quarters yet again , the whole ...
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
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
Популярные отрывки
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.