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Food habits of the vireos : a family of insectivorous birds - Chapin, Edward A. (Edward Albert) 1894 -1969 (U.S. Dept. of Agriculture, 1925)

Food of our more important flycatchers - Beal, F. E. L. (Foster Ellenborough Lascelles), 1840 -1916 (U.S. Dept. of Agriculture, Biological Survey, 1912)

The food of the robin - Wilcox, Earley Vernon, 1869 - (1892)

Food of the robins and bluebirds of the United States - Beal, F. E. L. (Foster Ellenborough Lascelles), 1840 -1916 (U.S. Dept. of Agriculture, 1915)

The food of the shore fishes of Certain Wisconsin lakes - Pearse, A. S. (Arthur Sperry), 1877 -1956 (Govt. print. off, 1918)

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General and professional biology : with special reference to man - Menge, Edward John von Komorowski, 1882 -1941 (Bruce Pub. Co, 1928)

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General biology - Mavor, James Watt, 1883 -1963 (Macmillan Co, 1947)

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General zoology - Guthrie, Mary Jane, 1895 - (Wiley, 1957)

General zoölogy; practical, systematic and comparative; being a revision and rearrangement of Orton's Comparative zoölogy - Orton, James, 1830 -1877 (American book company, 1903)

Genetics - Herskowitz, Irwin Herman, 1920 - (Little, Brown, 1965)

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The grasshoppers of Kansas - Claassen, P. W. (Peter Walter), 1886 -1937 (University of Kansas, 1917)

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Guide to the insects of Connecticut - Wheeler, William Morton, 1865 -1937 (Printed for the State Geological and Natural History Survey, 1911)

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