' FISHES OF NEW YORK 135 



Genus ixotuopis Raflnesque 



Body oblong or elongate, m";i'e or less compressed; mouth nor- 

 mal, mostly terminal and oblique, sometimes subinferior; no 

 barbels; teeth in one or two rows, those of the larger row 

 always 4-4, hooked, sharp edged, or with a narrow grinding 

 surface; scales large, often closely imbricated, those before the 

 dorsal rarely very small; lateral line complete or nearly so, 

 usually decurved; dorsal fin inserted above, or more usually 

 behind, the ventrals; anal fin short or moderately long; abdomen 

 rounded, never sharp edged. Coloration more or less silvery, 

 often brilliant, the males in spring usually with red or white 

 pigment and the head with small tubercles. A very large group 

 of small fishes, specially characteristic of the fresh waters of 

 the eastern United States, containing about 100 species, many 

 of them characterized by extensive individual variations. (After 

 Jordan and Evermann) 



77 Notropis bifrenatus (Cope) 



Bridled Minnow 



Hl/iopsis bifrenatus Coi>e. Cypr. Penna. 384, 1866; Gunther, Cat. Fish. 



Brit. Mus. YII, 211, 1S68 (as a doubtful species). 

 Eemitremia Ufrenata Jordan & Gilbert, Bull. 16, U. S. Nat. Mus. 162, 



1888. 

 jyotropis bifreiHitiis Jordan, Check List Fishes N. A. 22, 1885; Jordan & 



Evermann, Bull. 47, U. S. Nat. Mus. 2.!;8, 18Q6. 



Front convex between the orbits; length of muzzle equals 

 diameter of iris band and pupil, sometimes nearly equals orbit, 

 iris colored in continuation of the lateral band. The lateral line 

 rarely extends half way to the dorsal fin, while the pores of the 

 same may be observed at the bases of the scales for half the 

 remaining length of the animal. Length of the largest speci- 

 men, 19 lines; breadth of muzzle at nares, 1.5 lines. Radii of 

 the scales strong. 



Color above straw, the scales delicately brown edged; below 

 impure white, with a narrow black line along base of anal fin 

 to caudal. Along each side from caudal fin around the end of 

 muzzle including the end of the mandible, a shining black band 



