Produced by Chris Curnow, Joseph Cooper, Diane Monico, and the Online Distributed Proofreading Team at http://www.pgdp.net. Some images courtesy of The Internet Archive. UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY VOLUME 1 1946-1950 EDITORS E. RAYMOND HALL DONALD S. FARNER DONALD F. HOFFMEISTER H. H. LANE A. BYRON LEONARD EDWARD H. TAYLOR ROBERT W. WILSON MUSEUM OF NATURAL HISTORY UNIVERSITY OF KANSAS LAWRENCE, KANSAS 1950 MUSEUM OF NATURAL HISTORY UNIVERSITY OF KANSAS LAWRENCE, KANSAS PRINTED BY FERD VOILAND, JR., STATE PRINTER TOPEKA, KANSAS 1950 23-2413 CONTENTS 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. 5. Selected records of reptiles and amphibians from Kansas. By John Breukelman and Hobart M. Smith. Pp. 101-112. August 15, 1946. 6. Kyphosis and other variations in soft-shelled turtles. By Hobart M. Smith. Pp. 117-124, 3 figures. July 7, 1947. 7. Natural history of the prairie vole (Mammalian genus Microtus). By E. W. Jameson, Jr. Pp. 125-151, 4 figures in text. October 6, 1947. 8. The postnatal development of two broods of great horned owls (Bubo virginianus). By Donald F. Hoffmeister and Henry W. Setzer. Pp. 157-173, 5 figures in text. October 6, 1947. 9. Additions to the list of the birds of Louisiana. By George H. Lowery, Jr. Pp. 177-192. November 7, 1947. 10. A check-list of the birds of Idaho. By M. Dale Arvey. Pp. 193-216. November 29, 1947. 11. Subspeciation in pocket gophers of Kansas. By Bernardo Villa R. and E. Raymond Hall. Pp. 217-236, 2 figures in text. November 29, 1947. 12. A new bat (Genus Myotis) from Mexico. By Walter W. Dalquest and E. Raymond Hall. Pp. 237-244, 6 figures in text. December 10, 1947. 13. Tadarida femorosacca (Merriam) in Tamaulipas, Mexico. By Walter W. Dalquest and E. Raymond Hall. Pp. 245-248, 1 figure in text. December 10, 1947. 14. A new pocket gopher (Thomomys) and a new spiny pocket mouse (Liomys) from Michoacan, Mexico. By E. Raymond Hall and Bernardo Villa-R. Pp. 249-256, 6 figures in text. July 26, 1948. 15. A new hylid frog from eastern Mexico. By Edward H. Taylor. Pp. 257-264, 1 figure in text. August 16, 1948. 16. A new extinct emydid turtle from the Lower Pliocene of Oklahoma. By Edwin C. Galbreath. Pp. 265-280, 1 plate. August 16, 1948.