Biblioteca Digital

5 resultados para auxiliary bearing

em Biodiversity Heritage Library, United States

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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Russia then and now, 1892-1917; my mission to Russia during the famine of 1891-1892, with data bearing upon Russia of to-day, by Francis B. Reeves; with thirty-four illustrations.

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Geology and geochronology of the mammal-bearing Tertiary of the Valle de Santa María and Río Corral Quemado, Catamarca Province, Argentina / Larry G. Marshall -- , Bryan Patterson -- .

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n.s. no.9(1981)

The family Diadectidae and its bearing on the classification of reptiles / Everett Claire Olson --

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v.11:no.1(1947)

Spirazines; a type of chemical structure bearing upon the constitution of proteins and the cause of life, by Carl F. Krafft.

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