1943. A check list of North American amphibians and reptiles. Fifth edition. Bull. Mus. Comp. Zool., 93(1):xix + 260 pp. STERNBERG, C. M. 1926. Notes on the Edmonton Formation of Alberta. Canadian Field Nat., 40(5):102-04, May. STILLE, W. T., and EDGREN, R. A., JR. 1948. New records for amphibians and reptiles in the Chicago area, 1939-1947. Bull. Chicago Acad. Sci., 8(7):195-202. STOCKWELL, G. A. 1878. On some peculiarities in the anatomy of soft-shelled turtles. The Zoologist, 3rd Ser., 2(23):401-07, November. STONE, W. 1906. Notes on reptiles and batrachians of Pennsylvania, New Jersey and Delaware. Amer. Nat., 40(471):159-70, March. STRECKER, J. K. 1909. Notes on the herpetology of Burnet County, Texas. Bull. Baylor Univ., 12(1):1-9, January. 1915. Reptiles and amphibians of Texas. Bull. Baylor Univ., 18(4):1-82, August. 1924. Notes on the herpetology of Hot Springs, Arkansas. Bull. Baylor Univ., 27(3):29-47, September. 1926. A list of reptiles and amphibians collected by Louis Garni in the vicinity of Boerne, Texas. Contr. Baylor Univ. Mus., No. 6:1-9. 1926a. Notes on the herpetology of the east Texas timber belt. 2. Henderson County amphibians and reptiles. Contr. Baylor Univ. Mus., 7:3-7, July 15. 1927. Observations on the food habits of Texas amphibians and reptiles. Copeia, 1927(162):6-9, January-March. 1928. Occurrence of the spotted night snake (Hypsiglena ochrorhynchus Cope) in Central Texas, with other Bosque County herpetological notes. Contr. Baylor Univ. Mus., 15:1-6, July 10. 1935. Notes on the zoology of Texas from the unpublished manuscripts of John Kern Strecker (assembled and edited by Walter J. Williams). Bull. Baylor Univ., 38(3):vii + 69 pp. STRECKER, J. K., and FRIERSON, L. S., JR. 1926. The herpetology of Caddo and De Soto Parishes, Louisiana. Contr. Baylor Univ. Mus., 5:3-10, May 15. STRECKER, J. K., and WILLIAMS, W. J. 1927. Herpetological records from the vicinity of San Marcos, Texas, with distributional data on the amphibians and reptiles of the Edwards Plateau region and central Texas. Contr. Baylor Univ. Mus., 12:1-16, December. STUNKARD, H. W. 1930. Morphology and relationships of the trematode _Opisthoporus aspidonectes_ (MacCallum, 1917) Fukui, 1929. Trans. Amer. Micros. Soc., 49(3):210-19, 1 pl., July. SURFACE, H. A. 1908. First report on the economic features of turtles of Pennsylvania. Zool. Bull. Div. Zool. Pennsylvania St. Dep't. Agric., 6(4-5):105-96. SWANSON, P. L.