176 CONTRICUTIOXS TO NORTH AMERICAN ICHTHYOLOGY lY. 
Teetli 1, 4-4, !• . . 
b. Teeth with edges more or less serrate or crenate (usually withoiit grindiug sur- 
face). Girard.*) 
c. Dorsal hu without eouspicuous hlaek hlotch ou its upper x)osterior rays. 
d. No cousx)icuous hlaek spot at base of caudal. • 
e. Body very deep, compressed, the depth forming about a third of 
the length. 
235. C. iiiiiSsrosa (Grd.) J. & G. 
Body short, the back very much arched. Caudal peduncle robust. 
Head short and deep, bluntish. Eye large, 4 in head. Mouth moderate, 
qtiite oblique, the jaws about equal, the maxillary nearly reaching the 
front of the eye ; the upper lip on the level of the pupil. Lateral line 
decurved. Fins rather low. Coloration plain in spirits. Head 4^ ; 
depths. I). 8; A. 9 ; scales 8-42-5. L. 34 inches. Arkansas, etc. {Gi- 
rard.) 
( Cmv-mclla nmbrosa Girard, Proc. Acad. Nat. Sci. Phila. 1856, 197, and U. S. Pac. E. R. 
Surv. X, 266. ) 
236. C. iJiitoaBiasa, (B. & G.) J. & G. 
Form of the preceding, but the caudal peduncle slender. Eye large, 
34 in head. Jaws equal. Lateral line decurved. This species appears 
to differ from the preceding chiefly in its larger scales. Head 4 ; depth 
3. D. 8; A.9; scales6-3G-3. L. 3 inches, lied Fiver, Arkansas. [Gi- 
rard.) 
(Zc„d««a hMbmi B. & G. Pioc. Aca,l. Nat. Sci. Phila. 1853, 391 : h«ha- 
liiia Giraril, U. S. Pac. E. It. Suvv. x, 235; becbnltn Grd. Proc. Acad. Nat. 
Sci. Pbila. 1856, 267.) 
237. €. gMBaaaasofiai (Grd.) J. & G 
Body short and compressed, the back arched, but less so than in the 
preceding. Head small. Caudal peduncle moderate. Maxillary reach- 
ing nearly to eye. Eye moderate, 3.4 in head. Ventrals in advance of 
dorsal. Coloration plain in spirits. Head 4^- ; depth 3. H. 8 ; A. 9 ; 
Lat. 1. 34. L. 2^ inches. Cottonwood Creek, Utah. 
ec. Body slenderer, tbe depth hi length. 
238. C. SMavis (Grd.) J. & G. 
Body short, compressed, the back slightly arched. Mouth oblique. 
Eye 4 in head. Maxillary not quite reaching eye. Scales moderate. 
Lateral line gently curved. Coloration plain in spirits. “ By its gen- 
eral form and appearance this species e stablishes a transition between 
~^^ard, Pro^TIcad. Nat. Sci. Phila. 1856, 196: type Leudscus hubaUnus Bail'd & 
Girard. (Latin cyprincUa, a little carp.) 
