The Doctrine of Descent and DarwinismD. Appleton, 1875 - 334 من الصفحات |
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الصفحة 5
... higher animals ; but so long as their descent , their actual consanguinity was not discussed , so long as nothing was demanded beyond their juxtaposition , ac- cording to the analogy of their characteristics , without any scrutiny of ...
... higher animals ; but so long as their descent , their actual consanguinity was not discussed , so long as nothing was demanded beyond their juxtaposition , ac- cording to the analogy of their characteristics , without any scrutiny of ...
الصفحة 7
... , for the doctrine of the gradual and direct development of the higher and now - existing organisms from lower ancestral forms - in short , for the doctrine of the continuity of life , we must begin with a survey of the.
... , for the doctrine of the gradual and direct development of the higher and now - existing organisms from lower ancestral forms - in short , for the doctrine of the continuity of life , we must begin with a survey of the.
الصفحة 10
... higher , analogous to the various members existing side by side in the same group of animals , -how , for instance , the mammal passes through stages at which the lower vertebrata remain fixed , -a connection , at first sight POSITION ...
... higher , analogous to the various members existing side by side in the same group of animals , -how , for instance , the mammal passes through stages at which the lower vertebrata remain fixed , -a connection , at first sight POSITION ...
الصفحة 13
... higher will and a higher power . Of this we have many analogies in lower spheres . If my arm hurls a stone into the air , this is contrary to the nature of the stone , and is not an effect of the law of gravitation , but the ...
... higher will and a higher power . Of this we have many analogies in lower spheres . If my arm hurls a stone into the air , this is contrary to the nature of the stone , and is not an effect of the law of gravitation , but the ...
الصفحة 14
... higher moral object ; the domain of ethics is higher than that of physics , and therefore a higher causality , which physicists have no right to criticise , has suspended the chain of cause and effect with which you naturalists are ...
... higher moral object ; the domain of ethics is higher than that of physics , and therefore a higher causality , which physicists have no right to criticise , has suspended the chain of cause and effect with which you naturalists are ...
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عبارات ومصطلحات مألوفة
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
مقاطع مشهورة
الصفحة 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...
الصفحة 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.
الصفحة 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.