A Review of the Middle American Tree Frogs of the Genus PtychohylaDuellman, William Edward
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The Forests of Mount Rainier National ParkAllen, G. F. (Grenville F.)
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Essays in Natural History and AgricultureGarnett, Thomas
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Mazedonien : $b Erlebnisse und Beobachtungen eines Naturforschers im Gefolge des deutschen HeeresDoflein, Franz
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Flowers of mountain and plainClements, Edith S. (Edith Schwartz)
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Apes and Monkeys: Their Life and LanguageGarner, R. L. (Richard Lynch)
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Studies in the Theory of Descent (Volumes 1 and 2)Weismann, August
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Speciation of the Wandering ShrewFindley, James S. (James Smith)
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Food Habits of the Thrushes of the United StatesBeal, F. E. L. (Foster Ellenborough Lascelles)
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A New Subspecies of Wood Rat (Neotoma mexicana) from ColoradoFinley, Robert B.
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Synopsis of Some Genera of the Large Pyrenomycetes: Camillea, Thamnomyces, EngleromycesLloyd, C. G. (Curtis Gates)
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The Ornithosauria: An elementary study of the bones of Pterodactyles made from fossil remains found in the Cambridge Upper Greensand, and arranged in the Woodwardian Museum of the University of CambridgeSeeley, H. G. (Harry Govier)
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Grundriß der menschlichen Erblichkeitslehre und Rassenhygiene (2/2): Menschliche Auslese und RassenhygieneLenz, Fritz
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Life among the butterfliesRandolph, Vance
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Migration of Birds (1950)Lincoln, Frederick Charles
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Last Words on Evolution: A Popular Retrospect and SummaryHaeckel, Ernst
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International Weekly Miscellany of Literature, Art and Science — Volume 1, No. 2, July 8, 1850Various
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The honey bee: a manual of instruction in apicultureBenton, Frank
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Evolution and creationHardwicke, Herbert Junius
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The Dwelling HousePoore, George Vivian
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