14 resultados para Selection negativity

em Biodiversity Heritage Library, United States

A selection of Hexandrian plants, belonging to the natural orders Amaryllidae and Liliacae /from drawings by Mrs. Edward Bury, Liverpool ; engraved by R. Havell.

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Contributions to the theory of natural selection. A series of essays. By Alfred Russel Wallace ...

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Darwinism to-day; a discussion of present-day scientific criticism of the Darwinian selection theories, together with a brief account of the principal other proposed auxiliary and alternative theories of species-forming,

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On germinal selection as a source of definite variation, by August Weismann, tr. from the German by Thomas J. McCormack.

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The descent of man, and selection in relation to sex. By Charles Darwin ...

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The descent of man, and selection in relation to sex / by Charles Darwin.

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The descent of man, and selection in relation to sex. By Charles Darwin ...

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The origin of species by means of natural selection : or The preservation of favored races in the struggle for life / by Charles Darwin.

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On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life.

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The descent of man, and selection in relation to sex. By Charles Darwin.

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The descent of man, and selection in relation to sex / by Charles Darwin.

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The descent of man, and selection in relation to sex.

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Darwinism; an exposition of the theory of natural selection, with some of its applications, by Alfred Russel Wallace.

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Relationships among the living genera of beaked whales with classifications, diagnoses, and keys. a selection from the collection of Mr. and Mrs. Harold G. Duckworth. [Exhibition] December 1, 1968-January 12, 1969.

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v.53:no.4(1968)

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