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" Any existing species, animal or vegetable, when placed under conditions different from its previous ones, immediately begins to undergo certain changes of structure fitting it for the new conditions. . . . There is at work a modifying influence of the... "
From the Greeks to Darwin: an outline of the development of the evolution idea - Page 215
by Henry Fairfield Osborn - 1905 - 259 pages
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Illustrations of Universal Progress: A Series of Discussions

Herbert Spencer - Philosophy - 1864 - 446 pages
...successive modifications ; yet, they can show that any existing species—animal or vegetable—when placed under conditions different from its previous...changes of structure fitting it for the new conditions. They can show that in successive generations these changes continue, until ultimately the new conditions...
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Illustrations of universal progress: a series of discussions

Herbert Spencer - Philosophy - 1870 - 446 pages
...successive modifications ; yet, they can show that any existing species—animal or vegetable—when placed under conditions different from its previous...changes of structure fitting it for the new conditions. They can show that in successive generations these changes continue, until ultimately the new conditions...
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Illustrations of Universal Progress: A Series of Discussions

Herbert Spencer - Philosophy - 1865 - 451 pages
...successive modifications; yet, they can show that any existing species—animal or vegetable—when placed under conditions different from its previous...changes of structure fitting it for the new conditions. They can show that in successive generations these changes continue, until ultimately the new conditions...
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Illustrations of universal progress: a series of discussions

Herbert Spencer - Philosophy - 1865 - 451 pages
...successive modifications; yet, they can show that any existing species—animal or vegetable—when placed under conditions different from its previous...changes of structure fitting it for the new conditions. They can show that in successive generations these changes continue, until ultimately the new conditions...
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Illustrations of Universal Progress: A Series of Discussions

Herbert Spencer - Philosophy - 1867 - 451 pages
...successive modifications; yet, they can show that any existing species—animal or vegetable—when placed under conditions different from its previous...undergo certain changes of structure fitting it for t/ie new conditions. They can show that in successive generations these changes continue, until ultimately...
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Essays: scientific, political, and speculative, Volume 1

Herbert Spencer - Philosophy - 1868
...successive modifications; yet, they can show that any existing species—animal or vegetable—when placed under conditions different from its previous...changes of structure fitting it for the new conditions. They can show that in successive generations these changes continue, until ultimately the new conditions...
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Illustrations of universal progress

Herbert Spencer - Philosophy - 1875 - 451 pages
...successive modifications ; yet, they can show that any existing species—animal or vegetable—when placed under conditions different from its previous...undergo certain changes of structure fitting it for tlie new conditions. They can show that in successive generations these changes continue, until ultimately...
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Evolution, Old and New: Or, The Theories of Buffon

Samuel Butler - Evolution - 1879 - 384 pages
...Papers.” modifying influences . . . . they can show that any existing species—animal or vegetable—when placed under conditions different from its previous...changes of structure fitting it for the new conditions. They can show that in successive generations these changes continue until ultimately the new conditions...
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Evolution, old and new; or, The theories of Buffon, dr. Erasmus Darwin, and ...

Samuel Butler - 1879 - 384 pages
...Papers." modifying influences .... they can show that any existing species—animal or vegetable—when placed under conditions different from its previous...changes of structure fitting it for the new conditions. They can show that in successive generations these changes continue until ultimately the new conditions...
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