1953. The amphibians and reptiles of the Lake Texoma area. Texas Jour. Sci., 1953(4):465-471. Boyer, D. A. and Heinze, A. A. 1934. An annotated list of the amphibians and reptiles of Jefferson County, Missouri. Trans. Acad. Sci. St. Louis, 28(4):183-200. Branson, E. B. 1904. Snakes of Kansas. Univ. Kansas Sci. Bull., 12(13):353-430. Brattstrom, B. H. 1953a. Records of Pleistocene reptiles and amphibians from Florida. Quart. Jour. Florida Acad. Sci., 16(4):243-248. 1953b. The amphibians and reptiles from Rancho La Brea. Trans. San Diego Soc. Nat. Hist., 11(14):365-392. 1955. Pliocene and Pleistocene amphibians and reptiles from southeastern Arizona. Jour. Paleontology, 29(1):150-154. Breckenridge, W. J. 1944. Reptiles and amphibians of Minnesota. Univ. Minnesota Press, 202 pp. Brimley, C. M. 1903. Notes on the reproduction of certain reptiles. Amer. Nat., 37:261-266. Brons, H. A. 1882. Notes on the habits of some western snakes. Amer. Nat., 16:564-567. Brumwell, M. J. 1951. An ecological survey of the Fort Leavenworth Military Reservation. Amer. Midl. Nat., 45(1):187-231. Burt, C. E. 1927. An annotated list of the amphibians and reptiles of Riley County, Kansas. Occas. Papers Mus. Zool. Univ. Michigan, 189:1-9. 1933. Some distributional and ecological records of Kansas reptiles. Trans. Kansas Acad. Sci., 36:186-208. 1935. Further records of the ecology and distribution of amphibians and reptiles in the Middle West. Amer. Midl. Nat., 16(3):311-336. Burt, C. E. and Hoyle, W. L. 1934. Additional records of the reptiles of the central prairie region of the United States. Trans. Kansas Acad. Sci., 37:193-216. Cagle, F. R. 1942. Herpetological fauna of Jackson and Union counties, Illinois. Amer. Midl. Nat., 28(1):164-200. Carpenter, C. C. 1958. Reproduction, young, eggs and food of Oklahoma snakes. Herpetologica, 14:113-115. Carr, A. F. Jr. 1940. A contribution to the herpetology of Florida. Univ. Florida Publ. Biol. series, 3:iv + 118 pp. Clark, R. F. 1949. Snakes of the hill parishes of Louisiana. Jour. Tennessee Acad. Sci., 24(4):244-261. Clarke, R. F. 1958. An ecological study of reptiles and amphibians of Osage County, Kansas. Emporia State Research Studies, 7(1):1-52. Cohen, E. 1948. Emergence of _Coluber c. constrictor_ from hibernation. Copeia, 1948:137-138. Committee on Herpetological Common Names 1956. Common names for North American amphibians and reptiles. Copeia, 1956(3):172-185. Conant, R. 1938. The reptiles of Ohio. Amer. Midl. Nat., 20(1):1-200.