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" Natural selection acts only by the preservation and accumulation of small inherited modifications, each profitable to the preserved being... "
Lectures & Essays by John Tyndall: (Cullings from "Fragments of Science") ... - Page 20
by John Tyndall - 1903 - 120 pages
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On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

Charles Darwin - 1866 - 668 pages
...valleys or to the formation of the longest lines of inland cliff's. Natural selection can act only by the preservation and accumulation of small inherited...modifications, each profitable to the preserved being; and as modern geology has almost banished such views as the excavation of a great valley by a single...
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Nature, Volume 10

Sir Norman Lockyer - 1874 - 562 pages
...supervenes, and those to whom the favourable quality has been transmitted in excess will assuredly triumph. It is easy to see that we have here the addition of...is here dealing, not with imaginary, but with true cause; ; nor can we fail to discern what vast modifications may be produced by natural selection in...
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Every Saturday

1874 - 532 pages
...still more rigorously carried out than in the case of domestication ; for not only are unfavorable specimens not selected by nature, but they are destroyed....imaginary, but with true causes ; nor can we fail to diicern what vast modifications may be produced by natural selection in periods sufficiently long....
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The Year-book of Facts in Science and Art

1875 - 360 pages
...supervenes, and those to whom the favourable quality has been transmitted in excess will assuredly trinmph. This is what Mr. Darwin calls " Natural Selection,"...modifications, each profitable to the preserved being." If Darwin, like Bruno, rejects the notion of creative power acting after human fashion, it certainly...
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The medical vocabulary

Robert Fowler - 1875 - 586 pages
...working out this selection, and во fixing and augmenting these improvments. A condition of Nature which acts by the preservation and accumulation of...modifications, each profitable to the preserved being. — Darwin, Na'turalist (L. natura, nature). One that studies, or is versed iu, Natural History. Naturalized...
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On the origin of species by means of natural selection ; or, The ...

Charles Darwin - 1875 - 504 pages
...of the deepest valleys or the formation of long lines of inland cliffs. Natural selection acts only by the preservation and accumulation of small inherited...modifications, each profitable to the preserved being ; and as nv.dern geology has almost banished such views as the excavation of a great valley by a single...
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Fragments of Science: A Series of Detached Essays, Addresses, and Reviews

John Tyndall - 1876 - 706 pages
...are unfavourable specimens not selected by nature, but they are destroyed. This is what Mr. Dai-win calls ' Natural Selection,' which ' acts by the preservation...interpenetrates and leavens the vast store of facts that be and others have collected. We cannot, without shutting our eyes through fear or prejudice, fail...
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The Problem of Human Life: Embracing the "evolution of Sound" and "evolution ...

Alexander Wilford Hall - 1877 - 546 pages
...the preservation and accumulation of variations which are beneficial. " " Natural selection acts only by the preservation and accumulation of small inherited...modifications, each profitable to the preserved being." — Origin of Sptciet, pp. 75, 97. Now, how simple a process it proves to be to "break down" this theory...
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The Problem of Human Life: Embracing the "evolution of Sound" and "evolution ...

Alexander Wilford Hall - 1880 - 544 pages
...preservation and accumulation of variations which are beneficial." ' ' Natural selection acts only\ry the preservation and accumulation of small inherited...modifications, each profitable to the preserved being." — Origin of Species, pp. 75, 97. Now, how simple a process it proves to be to "break down" this theory...
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The Problem of human life : embracing the "evolution of sound" and ...

Alexander Wilford Hall - 1883 - 552 pages
...having tome advantage over other forms in the struggle for existence." "Natural selection acts only by the preservation and accumulation of small inherited modifications, each profitable to tAe preserved teiitg." — Origin of Species, pp. 75, 96. Then, it is clear, since it would not profit...
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