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Books Books 1 - 10 of 65 on This has been effected chiefly through the natural selection of numerous successive,....  
" This has been effected chiefly through the natural selection of numerous successive, slight, favorable variations ; aided in an important manner by the inherited effects of the use and disuse of parts; and in an unimportant manner, that is, in relation... "
From the Greeks to Darwin: an outline of the development of the evolution idea - Page 242
by Henry Fairfield Osborn - 1894 - 259 pages
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The Living Age ..., Volume 235

Eliakim Littell, Robert S. Littell - Language Arts & Disciplines - 1902
...which have thoroughly convinced me that species have been modified, during a long course of descent. This has been effected chiefly through the natural selection of numerous successive, slight, favorable variations; aided In an important manner Ъу the inherited effects of the use and disuse...
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The Bibliotheca Sacra, Volume 33

Religion - 1876
...This has been effected chiefly through the natural selection of numerous successive, slight, favorable variations ; aided in an important manner by the inherited...adaptive structures, whether past or present by tho direct action of external conditions, and by variations which seem to us, in our ignorance, to...
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The American Naturalist

Natural history - 1909
...descent. This has been effected chiefly through natural selection of numerous successive, slight favorable variations; aided in an important manner by the inherited...effects of the use and disuse of parts, and in an important manner, that is in relation to adaptive structure, whether past or present, by the direct...
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The Origin of Species by Means of Natural Selection, Or, The Preservation of ...

Charles Darwin - Evolution - 1873 - 458 pages
...which have thoroughly convinced me that species have been modified, during a long course of descent. This has been effected chiefly through the" natural...present, by the direct action of external conditions, and'by variations which seem to us in our ignorance to arise spontaneously. It appears that I formerly...
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Proceedings of the American Association for the Advancement of Science

American Association for the Advancement of Science - Science - 1875
...("Origin of Species," London, 1859, and "Descent of Man" 1871), and his latest utterance is that it has been effected "chiefly through the natural selection of numerous successive slight favorable variations, aided in an important manner by the inherited effects of the use and disuse of...
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Proceedings of the American Association for the Advancement of Science

American Association for the Advancement of Science - Science - 1875
...("Origin of Species," London, 1859, and "Descent of Man" 1871), and his latest utterance is that it has been effected "chiefly through the natural selection of numerous successive slight favorable variations, aided in an important manner by the inherited effects of the use and disuse of...
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The Bibliotheca Sacra, Volume 33

Religion - 1876
...which have thoroughly convinced me that species have been modified during a long course of descent. This has been effected chiefly through the natural selection of numerous successive, slight, favorable variations ; aided in an important manner by the inherited effects of the use and disuse...
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Evolution

Evolution - 1881
...which have thoroughly convinced me that species have been modified during a long course of descent. This has been effected chiefly through the natural selection of numerous successive, slight, favorable variations, aided in an important manner by the inherited effects of the use and disuse of...
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The Origin of Species by Means of Natural Selection: Or, The Preservation of ...

Charles Darwin - Evolution - 1882 - 458 pages
...which have thoroughly convinced me that species have been modified, during a long course of descent. This has been effected chiefly through the natural...important manner by the inherited effects of the use and diause of parts ; and in an unimportant manner, that is in relation to adaptive structures, whether...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - Evolution - 1882 - 458 pages
...which have thoroughly convinced me that species have been modified, during a long course of descent. This has been effected chiefly through the natural...an important manner by the inherited effects of the vise and disuse of parts; and in an unimportant manner, that is in relation to adaptive structures,...
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