1960. Birth and behavior of a brood of cottonmouths, _Agkistrodon piscivorus piscivorus_, with notes on tail-luring. Herpetologica, 16:125-129. WILLSON, P. 1908. Snake poisoning in the United States: a study based on an analysis of 740 cases. Arch. Int. Med., 1(5):516-570. WOLFF, N. O., and GITHENS, T. S. 1939a. Record venom extraction from water moccasin. Copeia, 1939(1):52. 1939b. Yield and toxicity of venom from snakes extracted over a period of two years. Copeia, 1939(4):234. WOOD, J. T. 1954a. The distribution of poisonous snakes in Virginia. Virginia Jour. Sci., 5(3):152-167, 4 maps. 1954b. A survey of 200 cases of snake-bite in Virginia. Amer. Jour. Trop. Med. and Hyg., 3(5):936-943. WOOD, J. T., HOBACK, W. W., and GREEN, T. W. 1955. Treatment of snake venom poisoning with ACTH and cortisone. Virginia Med. Month, 82:130-135. WRIGHT, A. H., and WRIGHT, A. A. 1957. Handbook of snakes of the United States and Canada. Comstock Publ. Assoc., Cornell Univ. Press, 2:ix + 565-1106 pp. YAMAGUTI, S. 1958. Systema helminthum. Interscience Publ., Inc., New York, 3 vols., 5 parts, 1:xi + 1575 pp., 2:vii + 860 pp., 3:1261 pp. YERGER, R. W. 1953. Yellow bullhead preyed upon by cottonmouth moccasin. Copeia, 1953(2):115. _Transmitted June 20, 1966._ 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. When copies are requested from the Museum, 25 cents should be included (for each 100 pages or part thereof) for the purpose of defraying the costs of wrapping and mailing. For certain longer papers an additional amount indicated below, toward the cost of production, is to be included. Materials published to date in this series are as follows. * An asterisk designates those numbers of which the Museum's supply (not necessarily the Library's supply) is exhausted. Materials published to date, in this series, are as follows: Vol. 1. Nos. 1-26 and index. Pp. 1-638, 1946-1950. *Vol. 2. (Complete) Mammals of Washington. By Walter W. Dalquest. Pp. 1-444, 140 figures in text. April 9, 1948. *Vol. 3. Nos. 1-4 and index. Pp. 1-681. 1951. *Vol. 4. (Complete) American weasels. By E. Raymond Hall. Pp. 1-466, 41 plates, 31 figures in text. December 27, 1951. Vol. 5. Nos. 1-37 and index. Pp. 1-676, 1951-1953. *Vol. 6. (Complete) Mammals of Utah, _taxonomy and distribution_. By Stephen D. Durrant. Pp. 1-549, 91 figures in text, 30 tables. August 10, 1952. Vol. 7. Nos. 1-15 and index. Pp. 1-651, 1952-1955. Vol. 8.