178 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



not reaching to the eye. Yeutrals in advance ofdorsaL Fins moderate. 



Coloration plain in spirits, except the black candal spot ; sides silvery. 



Head 41 5 depth 32. D.85 A. 7 ; Lat.1.46. Eio Seco, Texas. {Girard.) 



{Cyprinella notata G.rard, Proc. Acad. Nat. Sci. Phila. 1S5G, 198, and U. S. Pac. R, R. 

 Snrv. X, 269.) 



244. C. vcBBsasia (Grd.) J. & G. 



Body slender, as in C. macroUoma. Head long and rather pointed, 

 the snout subcouical. Mouth large, oblique, the maxillary scarcely 

 reaching to the eye. Eye large, oh in head. Fins moderate ; the dor- 

 sal behind ventrals. Coloration plain in spirits, except the caadal^pot ; 

 sides mostly silvery. Head 4 J ; depth 4. D. 8 ; A. 8 ; scales 7-37-8 

 (3G in type of G. texana). Elvers of Texas. 



(Cyprinella venusta and texana Girard, Proc. Acad. Nat. Sci. Phila. 185G, 198, and U. 

 S. Mes. Bound. Snrv. Iclith. 54,55.) 



cc. Dorsal fin elevated, witli a conspicuons black blotcli on its upper posterior rays 

 (obsolete in young examples). 

 /. A consi)icuons black spot at base of caudal. 



245. C. ca9Sttira Jordan. 



Body elongated, compressed, elevated in the middle, the profile be- 

 fore the dorsal curved. Snout projecting, forming a decided angle. 

 Head convex above, densely tuberculate in the males. Muzzle rather 

 ])ointed, overhanging the oblique mouth. Eye 4 in head, less than muz- 

 zle and interorbital width. Dorsal fin inserted slightly behind ven- 

 trais. Lateral line strongly decurved, usually forming an abrupt flexure 

 just in front of the ventrals. Color in spirits pale silvery, the dorsal and 

 caudal blotches very strongly marked. Head 4f ; depth 4. D. 8 ; A. 

 8; scales 6-44-3; teeth 1,4-4,1. L. 4J inches. Eivers of Alabama 

 and Louisiana. 



{Cijprinella calUura Jordan, Bull. U. S. Nat. Mus. x, Gl, 1877.) 



ff. No conspicuous black spot at base of caudal fin. 

 (J. Teeth without grinding surface. 



246. C. wlaipplei (Grd.) Jor. & Gilb. 



Body moderately elongate, subfusiform. Caudal peduncle stoutish. 

 Head shortish, rather pointed. Eye large, 4 in head. Mouth little 

 oblique, the lower jaw included, maxillary reaching to anterior rim of 

 the orbit; upper lip on a line with lower border of orbit. Dorsal fin 

 very nearly opposite ventrals, greatly elevated, its height in the male 

 more than one-fourth the length ; anal fin large. Lateral line little de- 

 curved. Coloration in alcohol plain, except the conspicuous dorsal 



