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Books Books 61 - 70 of 133 on He was more cautious in publication, for in the first edition of the Origin of Species,....  
" He was more cautious in publication, for in the first edition of the Origin of Species, which appeared in the same year, he said: "I am convinced that Natural Selection has been the main, but not the 'exclusive, means of modification. "
From the Greeks to Darwin: an outline of the development of the evolution idea - Page 236
by Henry Fairfield Osborn - 1905 - 259 pages
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Biology, General and Medical

Joseph McFarland - Biology - 1920 - 465 pages
...much careful examination and experimentation. In conclusion Mr. Darwin makes the following statement: "I am convinced that natural selection has been the...main but not the exclusive means of modification." In one of the excerpts given above this language is used: "But if variations useful to any organic being...
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A Text-book of Zoology, Volume 2

Thomas Jeffery Parker, William Aitcheson Haswell - Zoology - 1921
...environment as a factor in evolution. Wallace, on the other hand, is a pure selectionist, while Darwin held " that natural selection has been the main but not the exclusive means of modification." The additions to zoological knowledge made by the voyagers of the eighteenth century have been referred...
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A Text-book of Zoology, Volume 2

Thomas Jeffery Parker, William Aitcheson Haswell - Zoology - 1921
...environment as a factor in evolution. Wallace, on the other hand, is a pure selectionist, while Darwin held " that natural selection has been the main but not the exclusive means of modification." The additions to zoological knowledge made by the voyagers of the eighteenth century have been referred...
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Beacon Lights of History: Great writers. The new era

John Lord, George Spencer Hulbert - History - 1921
...that Darwin does not attribute the modification exclusively to natural selection. What he asserts is : "I am convinced that natural selection has been the...main, but not the exclusive, means of modification." He submits that a false theory would hardly explain in so satisfactory a manner as does the theory...
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The Atlantic Monthly, Volume 6

History - 1860
...as the acknowledged varieties of any one species are the descendants of that species. Furthermore, I am convinced that Natural Selection has been the main, but not exclusive means of modification." This is the kernel of the new theory, the Darwinian creed, as recited...
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Conceptual Issues in Evolutionary Biology

Elliott Sober - Philosophy - 1994 - 506 pages
...placed in a most conspicuous position—namely at the close of the Introduction—the following words: "I am convinced that natural selection has been the...main, but not the exclusive means of modification." This has been of no avail. Great is the power of steady misinterpretation. Romanes, whose once famous...
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Panic Disorder: A Critical Analysis

Richard J. McNally - Psychology - 1994 - 276 pages
...placed in a most conspicuous position—namely at the close of the Introduction—the following words: “I am convinced that natural selection has been...main, but not the exclusive means of modification.” This has been of no avail. Great is the power of steady misinterpretation. (cited in Gould & Lewontin,...
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Without Miracles: Universal Selection Theory and the Second Darwinian Revolution

Gary Cziko - Psychology - 1997 - 394 pages
...Lamarck. As he stated in the first edition of the Origin and repeatedly emphasized in later editions, "I am convinced that natural selection has been the...main but not the exclusive means of modification." 4 We will see later that he also did not reject a providential account of life's initial emergence....
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