The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
Результаты поиска по книге
Результаты 1 – 5 из 36
Стр. 20
... further advanced than Schopenhauer and his adherents , who for the idea of Force substitute that of Will ; for we have analyzed into their several self - conditioned momenta a multitude of processes , which the word " Will ...
... further advanced than Schopenhauer and his adherents , who for the idea of Force substitute that of Will ; for we have analyzed into their several self - conditioned momenta a multitude of processes , which the word " Will ...
Стр. 22
... further down , below the world of nerves , a sensation should exist which we are not capa- ble of understanding ? And it probably must be so . For as a body that we feel could not exist unless it consisted of atoms that we do not feel ...
... further down , below the world of nerves , a sensation should exist which we are not capa- ble of understanding ? And it probably must be so . For as a body that we feel could not exist unless it consisted of atoms that we do not feel ...
Стр. 34
... further observation , that of gra- dations within the type . When we previously compared the polype and the bee , and were obliged to assign to each a very different rank , a portion of this difference of grade is certainly due to the ...
... further observation , that of gra- dations within the type . When we previously compared the polype and the bee , and were obliged to assign to each a very different rank , a portion of this difference of grade is certainly due to the ...
Стр. 49
... further we go back in the history of their development , the more do we find the embryos alike , both on the whole and in the individual parts . " Only gradually do the characters appear which mark the greater , and later those which ...
... further we go back in the history of their development , the more do we find the embryos alike , both on the whole and in the individual parts . " Only gradually do the characters appear which mark the greater , and later those which ...
Стр. 50
... further than , at that time , was possible for Von Baer . It is not merely a question of those general analogies in the segregation of tissues from an indiffer- ent rudimentary mass , but of homologies in the distri- bution , form , and ...
... further than , at that time , was possible for Von Baer . It is not merely a question of those general analogies in the segregation of tissues from an indiffer- ent rudimentary mass , but of homologies in the distri- bution , form , and ...
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.