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Raamatud Books 1 - 10 of 70 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 - Page 25
by Alfred Russel Wallace - 1871
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The Atlantic Monthly, 6. köide

1860
...species. But they all do tend to bring out the generalization expressed by Mr. Wallace in the formula, that " every species has come into existence' coincident both in time and space with preexisting closely allied species." Not, however, that this ia proved even of existing species as...
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The Atlantic Monthly, 6. köide

1860
...»pecies. But they all do tend to bring out the generalization expressed by Mr. Wallace in the formula, that "every species has come into existence coincident both in time and space with preexisting closely allied species." Not, however, that this is proved even of existing species as...
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The Edinburgh New Philosophical Journal: Exhibiting a ..., 1. köide;13. köide

1861
...attempts to show that species are not fixed, but mutable ; that the formula of Mr Wallace is correct, that " every species has come into existence coincident both in time and space with pre-existing closely allied species;" and that there are transition forms or gradations which connect...
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The Edinburgh New Philosophical Journal

1861
...attempts to show that species are not fixed, but mutable ; that the formula of Mr Wallace is correct, that " every species has come into existence coincident both in time and space with pre-existing closely allied species;" and that there are transition forms or gradations which connect...
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Natural selection not inconsistent with natural theology: A free examination ...

Asa Gray - 1861 - 55 lehte
...species. But they all do tend to bring out the generalization expressed by Mr. Wallace in the formula, that " every species has come into existence coincident both in time and space with pre-existing closely allied species." Not, however, that this is proved even of existing species as...
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Contributions to the Theory of Natural Selection: A Series of Essays

Alfred Russel Wallace - 1870 - 384 lehte
...whole organic world would be seen to be an unbroken and harmonious system Conclusion. It has now been shown, though most briefly and imperfectly, how the..." Every species has come into existence coincident loth in time and space with a pre-existing closely allied species" connects together and renders intelligible...
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The American Naturalist, 4. köide

1871
...and plants; that closely allied animals are closely associated geographically and geologically, so that "every species has come into existence coincident...space with a preexisting closely allied species." The author then proceeds to show how variations in animals occur, and incidentally introduces an ingenious...
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THE JOURNAL OF ANATOMY AND PHYSIOLOGY

G.M.Humphrey,M.D.,F.R.S. and Wm.Turner,M.B. - 1871
...recognized as having furnished the impetus which gave direction to this line of enquiry. proposition that "every species has come into existence coincident...space with a pre-existing closely allied species," which is the QED of the first essay, coupled with "the tendency of varieties to depart indefinitely...
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The American Naturalist, 4. köide

1871
...and plants; that closely allied animals are closely associated geographically and geologically, so that " every species has come into existence coincident...space with a preexisting closely allied species." The author then proceeds to show how variations In animals occur, and Incidentally introduces an ingenious...
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AMERICAN NATUALIST

A.S.Packard,Jr. and F.W. Putnam - 1871
...and plants; that closely allied animals are closely associated geographically and geologically, so that "every species has come into existence coincident...space with a preexisting closely allied species." The author then proceeds to show how variations in animals occur, and Incidentally introduces an ingenious...
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