The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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... FORMS OF WATER IN RAIN AND RIVERS , ICE ÁND GLACIERS . By J. TYNDALL , LL . D. , F. R. S. With 26 Illustrations . Price , $ 1.50 . " " II . PHYSICS AND POLITICS ; OR , THOUGHTS ON THE APPLICATION OF THE PRINCIPLES OF " NATURAL SELECTION ...
... FORMS OF WATER IN RAIN AND RIVERS , ICE ÁND GLACIERS . By J. TYNDALL , LL . D. , F. R. S. With 26 Illustrations . Price , $ 1.50 . " " II . PHYSICS AND POLITICS ; OR , THOUGHTS ON THE APPLICATION OF THE PRINCIPLES OF " NATURAL SELECTION ...
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... 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 REFERENCE TO DARWIN . 7.
... 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 REFERENCE TO DARWIN . 7.
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... forms now spread over the earth . As astronomy begins with the mere classification of the stars and constellations , and the knowledge of their apparent motions , so do we also range our material in large groups , and this in the manner ...
... forms now spread over the earth . As astronomy begins with the mere classification of the stars and constellations , and the knowledge of their apparent motions , so do we also range our material in large groups , and this in the manner ...
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... form is like- wise usually radiate . Besides a peculiar chalky deposit , or greater or less calcification of the skin covering , a system of water - canals forms a characteristic of this family . With these are connected the rows of ...
... form is like- wise usually radiate . Besides a peculiar chalky deposit , or greater or less calcification of the skin covering , a system of water - canals forms a characteristic of this family . With these are connected the rows of ...
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Dr. Schmidt (Eduard Oskar), Oscar Schmidt. characteristics of form and internal structure ; and it is very easy to select from every type forms in which the distinctive marks , comprised in the systematic diagnosis , may be displayed in ...
Dr. Schmidt (Eduard Oskar), Oscar Schmidt. characteristics of form and internal structure ; and it is very easy to select from every type forms in which the distinctive marks , comprised in the systematic diagnosis , may be displayed in ...
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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.