The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 2
... turn away indignantly if required to believe that anything not entirely natural occurred in the most complicated machine , in the most elaborate product of the chemical retort , or in the strangest results 2 THE DOCTRINE OF DESCENT .
... turn away indignantly if required to believe that anything not entirely natural occurred in the most complicated machine , in the most elaborate product of the chemical retort , or in the strangest results 2 THE DOCTRINE OF DESCENT .
Стр. 39
... entirely absolute ; especially if the possibility , nay even the necessity , has been perceived of the primordial generation or parent- less origin of the lowest organic beings from inorganic matter ( of which more hereafter ) , and if ...
... entirely absolute ; especially if the possibility , nay even the necessity , has been perceived of the primordial generation or parent- less origin of the lowest organic beings from inorganic matter ( of which more hereafter ) , and if ...
Стр. 79
... are interposed . The former either vanish entirely or outlast the more recent periods , and continue in scanty remnants down • to the present day . The formations mostly have their GENERAL CHARACTER OF ANTEDILUVIAN WORLD . 79.
... are interposed . The former either vanish entirely or outlast the more recent periods , and continue in scanty remnants down • to the present day . The formations mostly have their GENERAL CHARACTER OF ANTEDILUVIAN WORLD . 79.
Стр. 90
... entirely neglected . Later , it is true , the genea- logical idea of the common descent of all individuals of each separate species was supplemented by the physio- logical definition that all the individuals of every species are capable ...
... entirely neglected . Later , it is true , the genea- logical idea of the common descent of all individuals of each separate species was supplemented by the physio- logical definition that all the individuals of every species are capable ...
Стр. 102
... have now become the corner - stones of science . Is species therefore , we again inquire , to be entirely abandoned ? Not so , for several reasons . Even assuming that so - called good species , in the sense 102 THE DOCTRINE OF DESCENT .
... have now become the corner - stones of science . Is species therefore , we again inquire , to be entirely abandoned ? Not so , for several reasons . Even assuming that so - called good species , in the sense 102 THE DOCTRINE OF DESCENT .
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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.