178 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
not reacliiiig to tlie eye. Yentrals iu advance of dorsal. Fins moderate. 
( 'oloration plain in spirits, except the black caudal spot ; sides silvery. 
I lead 4i ; depth Sg. D. 8 ; A. 7 ; Lat. 1. 4G. llio Seco, Texas. {Girard.) 
{Cyprindla nolaia Gn-uvd, Proc. Acad. Nat. Sci. I’liila. 1850, PJS, aud U. S. Pac. R. R. 
Snrv. X, 269.) 
24‘i. C. voBnasla (Grd.) J. & G. 
Body slender, as in C. macrostoma. Head long and rather jtointed, 
the snout subconical. IMouth large, oblique, the maxillary scarcely 
reaching to the eye. Eye large, 3} in head. Fins moderate ; the dor- 
sal behind ventrals. Coloration plain in spirits, except the caudal spot ; 
sides mostly silvery. Head ; depth 4. H. 8 ; A. 8 ; scales 7-37-3 
(3>G in type of C. texana). Elvers of Texas. 
{Ciiprmella venusta tcxana G\va.v(\, Proc. Acad. Nat. Sci. Pliila. 1856, 198, and U. 
S. Mex. Bound. Surv. Iclitb. 54,55.) 
cc. Dorsal fin elevated, witli a conspicuous black blotcli on its upper posterior raj'S 
(obsolete in youiijf examples). 
f. A conspicuous black spot at base of caudal. 
215. C. callawi’a Jordan. 
Body elongated, comitressed, 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. IMuzzle ratlier 
pointed, overhanging the oblique mouth. Eye 4 in head, less than muz- 
zle aud iuterorbital width. Dorsal fin inserted slightly behind ven- 
trals. Lateral line strongly decurved, usually forming an abrupt Ilexure 
Justin front of the ventrals. Color in spirits pale silvery, the dorsal and 
(‘riudal blotches very strongly marked. Head 4| 5 depth 4. D. 8 5 A. 
8 ; scales G-44-3 ; teeth 1, 4-4, 1. L. 44 inches. Eivers of Alabama 
and Louisiana. 
{Cyprinella calUura Jordan, Bull. U. S. Nat. Mus. x, 61, 1877.) 
ff. No conspicuous black s])ot at base of caudal fin. 
(j. Teeth without grinding surface. 
216. C. wlaippaoi (Grd.) Jor. & Gilb. 
Body moderately elongate, snbfusiform. Caudal peduncle stoutish. 
Head shortish, rather i)ointed. Eye large, 4 in head. Mouth little 
oblique, the lower jaw included, maxillary reaching to anterior rim of 
the orbit 5 upper lip on aline 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- 
enrved. Coloration in alcohol lilain, except the conspicuous dorsal 
