..The fishes of Illinois . than half of aquatic insects,very largely Chircmomus larva? and larvae of day-flies. The species breeds in early spring, ordinarily between the 10thand 20th of April (Capt. Schulte). In 1898 the red-mouth spawnedbetween the 15th and the 30th of that month. ICTIOBUS URUS (Agassiz)(mongrel buffalo; round buffalo) Agassiz, 1854, Amer. J. Sci. Arts (Sillimans Journal), XVII, 355 (Carpiodes). J. & G. (Bubalichthys), 116; M. V., 44; J. & £., I, 164j N., 50 (Bubalichthys niger); J., 65 (Bubalichthys); F., 82; F. F., I. 2, 81 (Bubalichthys niger), II. 7, 452; L., 11. Body ro


..The fishes of Illinois . than half of aquatic insects,very largely Chircmomus larva? and larvae of day-flies. The species breeds in early spring, ordinarily between the 10thand 20th of April (Capt. Schulte). In 1898 the red-mouth spawnedbetween the 15th and the 30th of that month. ICTIOBUS URUS (Agassiz)(mongrel buffalo; round buffalo) Agassiz, 1854, Amer. J. Sci. Arts (Sillimans Journal), XVII, 355 (Carpiodes). J. & G. (Bubalichthys), 116; M. V., 44; J. & £., I, 164j N., 50 (Bubalichthys niger); J., 65 (Bubalichthys); F., 82; F. F., I. 2, 81 (Bubalichthys niger), II. 7, 452; L., 11. Body robust, elliptical, the dorsal and ventral outlines nearly equallycurved, the general form being much as in cyprinella except that the bodyis somewhat more elongate and the back more broadly rounded in frontof dorsal; depth 3 to in length. Size large, about as in last usually darker than in cyprinella, a dark slaty gray, shading toalmost black when taken from clear water; all fins dark. Head thick. 3S-


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Keywords: ., bookcentury1900, bookdecade1900, bookidcu31924, booksubjectfishes