The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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... HEREDITY - REVERSIÓN - VARIABILITY — ADAPTATION - RESULTS OF USE AND Disuse of ORGANS - DIFFERENTIATION LEADING TO PERFECTION • 165 IX . The DevelopMENT OF THE INDIVIDUAL ( ONTOGENESIS ) IS A RE- PETITION OF THE HISTORICAL DEVELOPMENT ...
... HEREDITY - REVERSIÓN - VARIABILITY — ADAPTATION - RESULTS OF USE AND Disuse of ORGANS - DIFFERENTIATION LEADING TO PERFECTION • 165 IX . The DevelopMENT OF THE INDIVIDUAL ( ONTOGENESIS ) IS A RE- PETITION OF THE HISTORICAL DEVELOPMENT ...
Стр. 89
... hereditary prejudice , and partly contrive to be deliberately blind to all that evidently contradicts the immutability of species . Since Linnæus referred to the Creation , he attributed the individuals to a species , of which the ...
... hereditary prejudice , and partly contrive to be deliberately blind to all that evidently contradicts the immutability of species . Since Linnæus referred to the Creation , he attributed the individuals to a species , of which the ...
Стр. 125
... heredity and adaptation , but his theories and convictions lack the emphasis of detailed evidence . Yet his subtle apprehension of life may be evinced by his interpretation of instinct . According to him , all acts of instinct are ...
... heredity and adaptation , but his theories and convictions lack the emphasis of detailed evidence . Yet his subtle apprehension of life may be evinced by his interpretation of instinct . According to him , all acts of instinct are ...
Стр. 154
... heredity in the two series must be excluded likewise , some other adequate solution must be sought . The case of the converging species of sponges may throw a light , feeble though it be , upon the obscure pro- cesses of the organic ...
... heredity in the two series must be excluded likewise , some other adequate solution must be sought . The case of the converging species of sponges may throw a light , feeble though it be , upon the obscure pro- cesses of the organic ...
Стр. 164
... by the establishment of the more valuable varieties . We shall repeatedly have occasion to draw upon the rich supplies of his researches . Heredity - Reversion - Variability - Adaptation - Results of 164 THE DOCTRINE OF DESCENT .
... by the establishment of the more valuable varieties . We shall repeatedly have occasion to draw upon the rich supplies of his researches . Heredity - Reversion - Variability - Adaptation - Results of 164 THE DOCTRINE OF DESCENT .
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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
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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.