1951. The occurrence of the flathead chub, _Platygobio gracilis_, in Tennessee. Jour. Tennessee Acad. Sci., 24(1):84.
1946. Wyoming fishes. Wyoming Game and Fish Dept., 1-129.
1958. The distribution of freshwater fishes in the provinces and main water basins of Canada. Bull. Shevchenko Sci. Soc., 1(6):1-11.
1958. Additional Pleistocene fishes from Kansas and Oklahoma. Copeia. 3:176-180.
1860. Report upon the fishes collected on the Pacific Railroad Survey. Pacific Railroad Report. 12(3):307-368.
1952. Experimental study of meristic characters in fishes. Biol. Rev. Cambridge Phil. Soc., 27(2):169-193.
1898. A list of fishes known to occur in Manitoba. Forest and Stream. 51(11):214.
1959. Fishes of the Vermillion River, South Dakota. Proc. South Dakota Acad. Sci., 38:96-102.
1934. Environmental and taxonomic characters of fishes. Trans. Royal Canadian Inst., 20(43):99-140.
1955. Fishes of western Arctic America and eastern Arctic Siberia. Bull. Amer. Mus. Nat. Hist., 106(5):255-368.
1955. Variation in the number of fin rays of two cyprinid fishes correlated with natural water temperatures. Ecology. 36(1):1-6.
1952. Freshwater vertebrates of the Arctic and Subarctic. Bull. Fish. Res. Bd. Canada. 94:1-28.
The following changes have been made to the original text:
Table of Contents: page number of "Food" and "Spawning Season" changed from 339 to 338 Page 327: "abbreviated AU" changed to "abbreviated UA" Page 344: "Societe Geologique" changed to "Société Géologique"]
End of the Project Gutenberg EBook of Geographic Variation in the North American Cyprinid Fish, Hybopsis gracilis, by Leonard J. Olund and Frank B. Cross