1951. Identification of cyprinid fish reported from Kansas as _Squalius elongatus_. Trans. Kansas Acad. Sci., 54(2):190-192, June 15. 1955. Hybridization between fish species in nature. Systematic Zoology, 4(1):1-20, March. HUBBS, C. L., and LAGLER, K. F. 1958. Fishes of the Great Lakes Region. Cranbrook Inst. Sci., Bull. 26, revised ed., xiii + 213 pp. HUBBS, C. L., and MILLER, R. R. 1943. Mass hybridization between two genera of cyprinid fishes in the Mohave Desert, California. Papers Michigan Acad. Sci., Arts, and Lett., 28(1942):343-378, pls. 1-4, February. HUBBS, C. 1956. Relative variability of hybrids between the minnows, _Notropis lepidus_ and _N. proserpinus_. Texas Jour. Sci., 8 (4):463-469, December. HUBBS, C., KUEHNE, R. A., and BALL, J. C. 1953. The fishes of the upper Guadalupe River, Texas. Texas Jour. Sci., 5(2):216-244, June. HUBBS, C., and STRAWN, K. 1956. Interfertility between two sympatric fishes, _Notropis lutrensis_ and _Notropis venustus_. Evolution, 10(4):341-344, December. JOHNSON, R. 1945. Ever hook a hybrid? Minnesota Conservation Volunteer, 8(49): 18-22. MINCKLEY, W. L. 1956. A fish survey of the Pillsbury Crossing Area, Deep Creek, Riley County, Kansas. Trans. Kansas Acad. Sci., 59(3):351-357, October 31. 1959. Fishes of the Big Blue River Basin, Kansas. Univ. Kans. Publ., Mus. Nat. Hist., 11(7):401-442, May 8. MINCKLEY, W. L., and CROSS, F. B. 1959. Distribution, habitat, and abundance of the Topeka shiner, Notropis topeka (Gilbert) in Kansas. Amer. Midl.-Nat., 61(1):210-217. TRAUTMAN, M. B. 1957. The fishes of Ohio. Ohio State Univ. Press, xviii + 683 pp. _Transmitted March 2, 1960._ 28-3424