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Books Books 1 - 10 of 36 on by slow steps to the more and more complete reduction of a part, until at last it....  
" by slow steps to the more and more complete reduction of a part, until at last it became rudimentary—as in the case of the eyes of animals inhabiting dark caverns, and of the wings of birds inhabiting oceanic islands, which have seldom been forced by... "
Evolution, Old and New: Or, The Theories of Buffon - Page 375
by Samuel Butler - 1879 - 384 pages
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On the Origin of Species by Means of Natural Selection: Or The Preservation ...

Charles Darwin - Evolution - 1866 - 593 pages
...has led in successive generations to the gradual reduction of various organs, until they have become rudimentary,—as in the case of the eyes of animals...inhabiting oceanic islands, which have seldom been forced to take flight, and have ultimately lost the power of flying. Again, an organ useful under certain...
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On the origin of species by means of natural selection ; or, The ...

Charles Darwin - Evolution - 1875 - 458 pages
...probable that disuse has been tin 1 main agent in rendering organs rudimentary. It would at first lead by slow steps to the more and more complete reduction...part, until at last it became rudimentary,—as in the caso of the eyes of animals inhabiting dark caverns, and of the wings of birds inhabiting oceanic islands,...
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The Origin of Species by Means of Natural Selection: Or, The Preservation of ...

Charles Darwin - Evolution - 1882 - 458 pages
...probable that disuse toS&%&ds&b main »# Bl ° rendering organs rudimentary. It would at first lead by slow steps •to the more and more complete reduction of a port, until at last it became rudimentary,—as in the case of the eyes cf animals inhabiting dark...
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Journal of the Transactions of the Victoria Institute, Or ..., Volume 16

Religion and science - 1883
...Darwin, " That disuse has been the main agent in rendering organs rudimentary. It would at first lead by slow steps to the more and more complete reduction of a part, until at last it became rudimentary." Again. The rudimentary structure is, we are told, the result of the disuse of the fully-developed...
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The American Journal of Psychology, Volume 11

Karl M. Dallenbach, Madison Bentley, Edwin Garrigues Boring, Margaret Floy Washburn - Psychology - 1899
...lead by slow steps to the more complete reduction of a part, until at last it became rudimentary, as in the case of the eyes of animals inhabiting dark...have seldom been forced by beasts of prey to take flight, and have ultimately lost the power of flying. Again, an organ useful under certain conditions...
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Nature Versus Natural Selection: An Essay on Organic Evolution

Charles Clement Coe - Evolution - 1895 - 591 pages
...probable that disuse has been the main agent in rendering organs rudimentary. It would at first lead by slow steps to the more and more complete reduction of a part, until at last it became rudimentary, as in the case of the eyes of animals inhabiting dark caverns."—(Origin of Species,...
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Nature Versus Natural Selection: An Essay on Organic Evolution

Charles Clement Coe - Evolution - 1895 - 591 pages
....probable that disuse has been the main agent in rendering organs rudimentary. It would at first lead by slow steps to the more and more complete reduction of a part, until at last it became rudimentary, as in the case of the eyes of animals inhabiting dark caverns."—(Origin of Species,...
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Charles Darwin's Works: The origin of species by means of natural selection ...

Charles Darwin, Sir Francis Darwin - Science - 1896
...probable that disuse has been the main agent in rendering organs rudimentary. It would at first lead by slow steps to the more and more complete reduction of a part, until at last it became rudimentary, —as in the case of the eyes of animals inhabiting dark caverns, and of the wings of...
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The American Journal of Psychology, Volume 11

Granville Stanley Hall, Edward Bradford Titchener - Psychology - 1900
...lead by slow steps to the more complete reduction of a part, until at last it became rudimentary, as in the case of the eyes of animals inhabiting dark...have seldom been forced by beasts of prey to take flight, and have ultimately lost the power of flying. Again, an organ useful under certain conditions...
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