Wolcott, Robert H. (Robert Henry) 1868-1934 creator University of Nebraska (Lincoln campus) Department of Zoology. text nyu New York London McGraw-Hill Book Company, inc. c1946 1946 3d ed. monographic eng

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xviii, 719 p. : ill., diagrs. ; 24 cm. by Robert H. Wolcott ... Revised by the staff of the Department of Zoology at the University of Nebraska as a memorial to the author. cf. Acknowledgment. Includes index. Zoology Biology QL47 .W7 1946 574 WOA 46006676 DLC 730215 20141119155444.0 8810870