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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 - Page 25
by Alfred Russel Wallace - 1871
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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
...whole organic world would bo seen to be an unbroken and harmonious system. Conclusion It has now been shown, though most briefly and 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 Encyclopaedia Britannica: A Dictionary of Arts, Sciences ..., 28. köide

Hugh Chisholm - 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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The Encyclopedia Britannica: A Dictionary of Arts, Sciences ..., 28. köide

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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Alfred Russel Wallace: Letters and Reminiscences, 1. köide

Alfred Russel Wallace, Sir James Marchant - 1916 - 507 lehte
...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, how the...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
...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, how the...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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