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" 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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Transactions of the Essex Field Club, 3. köide

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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Reviews of works on botany and related subjects, 1834-1887

Asa Gray - 1889
...indeed be expressed so as not to assert that the connection is genetic, as in Mr. Wallace's formula : " Every species has come into existence coincident both in time and space with preexisting closely allied species." Edward Forbes, who may be called the originator of this whole...
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Scientific Papers, 1. köide

Asa Gray - 1889
...indeed be expressed so as not to assert that the connection is genetic, as in Mr. Wallace's formula : " Every species has come into existence coincident both in time and space with preexisting closely allied species." Edward Forbes, who may be called the originator of this whole...
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Natural Selection and Tropical Nature: Essays on Descriptive and Theoretical ...

Alfred Russel Wallace - 1891 - 492 lehte
...no doubt, be softened down by intermediate groups, and the whole organic world would bo seen to be an unbroken and harmonious system. Conclusion It has...imperfectly, how the law that " Every species has come into existent* coincident h>th in time and space with a pre-existing closely allied sjtecif^," connects...
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The American Naturalist

1907
...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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The Encyclopedia Britannica: A Dictionary of Arts, Sciences ..., 28. köide

Hugh Chisholm - 1911
...Introduction of New Species " (Ann. and Mag. Nat. Hist., 1855, p. 184). He states the law as follows: " Every species has come into existence coincident both...space with a pre-existing closely allied species." He justly claims that such a law connected and explained a vast number of independent facts. It was,...
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The Encyclopaedia Britannica: Ton to Zym

1911
...Introduction of New Species" (Ann. and Mac. Nat. Hist., 1855, p. 184). He states the law as follows: " Every species has come into existence coincident both...space with a pre-existing closely allied species." He justly claims that such a law connected and explained a vast number of independent facts. It was,...
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Alfred Russel Wallace, Letters and Reminiscences

Alfred Russel Wallace, Sir James Marchant - 1916 - 507 lehte
...system." The article, in which we can see a great generalisation struggling to be born, ends thus: " It has now been shown, though most briefly and imperfectly,...species has come into existence coincident both in time ahd space with a pre-existing closely allied species,' connects together and renders intelligible a...
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Impressions of Great Naturalists: Reminiscences of Darwin, Huxley, Balfour ...

Henry Fairfield Osborn - 1924 - 214 lehte
...paper suggested the when and where of the occurrence of new forms, but not the how. He concludes : It has now been shown, though most briefly and imperfectly,...number of independent and hitherto unexplained facts. In February, 1858, during a period of intermittent fever at Ternate, the how arose in his mind with...
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Annual Report - Entomological Society of Ontario

Entomological Society of Ontario - 1888
...celebrated article on the law regulating the introduction of new species. This paper endeavored to show that every species has come into existence coincident...space with a pre-existing closely allied species. In further communications Mr. Wallace explained the protective resemblances between animals on the...
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