1935. Studies on some of the small mammals of central New York. Roosevelt Wildlife Annals, 4(No. 1):1-120, 8 pls., 22 figs. in text, 35 tables, 4 maps, December, 1935. VERGEER, T. 1948. Frog catches mouse in natural environment. Turtox News, 26:91, March, 1948. VINOGRADOV, B. S. 1925. On the structure of the external genitalia in Dipodidae and Zapodidae (Rodentia) as a classificatory character. Proc. Zool. Soc. London, Part 1:577-585, 6 pls., 1925. WHITLOW, W. B., and HALL, E. R. 1933. Mammals of the Pocatello Region of southeastern Idaho. Univ. California Publ. Zool., 40:235-276, 3 figs. in text, September 30, 1933. WILLIAMS, C. S. 1938. Aids to the identification of mole and shrew hairs with general comments on hair structure and hair determination. Jour. Wildl. Mgt., 2:239-250, 1 pl., 9 figs. in text, October, 1943. WILSON, R. W. 1936. A Pliocene rodent fauna from Smiths Valley, Nevada. Carnegie Inst. Publ., 473:15-34, 2 pls., May 21, 1936. 1937. Pliocene rodents of western North America. Carnegie Inst. Publ., 487:21-73, 2 figs. in text, July 23, 1937. _Transmitted October 9, 1953._ UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY Institutional libraries interested in publications exchange may obtain this series by addressing the Exchange Librarian, University of Kansas Library, Lawrence, Kansas. Copies for individuals, persons working in a particular field of study, may be obtained by addressing instead the Museum of Natural History, University of Kansas, Lawrence, Kansas. There is no provision for sale or this series by the University Library which meets institutional requests, or by the Museum of Natural History which meets the requests of individuals. However, when individuals request copies from the Museum, 25 cents should be included, for each separate number that is 100 pages or more in length, for the purpose of defraying the costs of wrapping and mailing. * An asterisk designates those numbers of which the Museum's supply (not the Library's supply) is exhausted. Numbers published to date, in this series, are as follows: Vol. 1. 1. The pocket gophers (Genus Thomomys) of Utah. By Stephen D. Durrant. Pp. 1-82, 1 figure in text. August 15, 1946. 2. The systematic status of Eumeces pluvialis Cope, and noteworthy records of other amphibians and reptiles from Kansas and Oklahoma. By Hobart M. Smith. Pp. 85-89. August 15, 1946. 3. The tadpoles of Bufo cognatus Say. By Hobart M. Smith. Pp. 93-96, 1 figure in text. August 15, 1946. 4. Hybridization between two species of garter snakes. By Hobart M. Smith. Pp. 97-100. August 15, 1946.