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Raamatud Books 31 - 33 of 33 on Every species has come into existence coincident both in time and space with a preexisting....
" Every species has come into existence coincident both in time and space with a preexisting closely allied species," Connects together and renders intelligible a vast number of independent and hitherto unexplained facts. "
Contributions to the Theory of Natural Selection: A Series of Essays - Page 25
by Alfred Russel Wallace - 1870 - 384 lehte
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Origins: Selected Letters of Charles Darwin, 1822-1859. Anniversary Edition.

Charles Darwin, Frederick Burkhardt - 2008 - 253 lehte
...introduction of new species. Annals and Magazine of Natural History 2d ser. 16(1855): 184-96. The law: 'Every species has come into existence coincident...space with a preexisting closely allied species.' 1858 1 CD had sent Hooker his manuscript on variation in large and small genera. It is printed, with...
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Transactions of the Essex Field Club, 3–4. köide

Essex Field Club - 1883
...which has regulated the Introduction of new Species," Mr. Wallace shows by various lines of argument that " every species has come into existence coincident...space with a pre-existing closely allied species." In 1858 Mr. Wallace sent from Ternate another paper, " On the tendency of Varieties to depart indefinitely...
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The Geographic Distribution of Closely Related Species

Robert Greenleaf Leavitt - 1907 - 34 lehte
...published an essay arguing for the evolutionary conception of organic history, the main thesis being this: "Every species has come into existence coincident...space with a pre-existing closely allied species." Thus the evolutionist has been under deep obligation to the taxonomer from the beginning. The obligation...
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