The origin of species by means of natural selection or the preservation of favored races in the struggle for life. With additions and corrections from sixth and last english ed. 2 in 1 Bd. New York, Appleton 1899. Mit 1 gefalt. Tabelle. XXVI, 365, VII, 338 S. Olwd. (Vord. Innengelenk angebrochen). - Tls. leicht gebräunt, St.a.T.

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