1962. Osteological observations on New World Bufo. Amer. Midl. Nat., 67:157-183. January. 1965. Evolutionary trends in frogs. Amer. Zoologist, 5:309-318. VINSON, G. L. and BRINEMAN, J. H. 1963. Nuclear Central America, hub of Antillean Transverse Belt. Amer. Assoc. Petrol. Geol., Mem. 2:101-112. WHITMORE, F. C., JR. and STEWART, R. H. 1965. Miocene mammals and Central American seaways. Science, 148:180-185. April 9. ZWEIFEL, R. G. 1956. Two pelobatid frogs from the Tertiary of North America and their relationships to fossil and Recent forms. Amer. Mus. Novitates, 1762:1-45. April 6. 1958. Results of the Archbold Expeditions. No. 78. Frogs of the Papuan hylid genus _Nyctimystes_. Amer. Mus. Novitates, 1896:1-51. July 22. 1964. Life history of _Phrynohyas venulosa_ (Salientia: Hylidae) in Panama. Copeia, no. 1:201-208. March 26. _Transmitted March 14, 1966._ [] 31-3430 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 individuals request copies 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 some of the costs of production, is to be included. * An asterisk designates those numbers of which the Museum's supply is exhausted. 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. *1. The avifauna of Micronesia, its origin, evolution, and distribution. By Rollin H. Baker. Pp. 1-359, 16 figures in text. June 12, 1951. *2. A quantitative study of the nocturnal migration of birds. By George H. Lowery, Jr. Pp. 361-472, 47 figures in text. June 29, 1951. 3. Phylogeny of the waxwings and allied birds. By M. Dale Arvey. Pp. 473-530, 49 figures in text, 13 tables. October 10, 1951. *4. Birds from the state of Veracruz, Mexico. By George H. Lowery, Jr. and Walter W. Dalquest. Pp. 531-649, 7 figures in text, 2 tables. October 10, 1951. Index. Pp. 651-681. *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.