31. CYPEINID^ — CHROSOMUS. 
153 
176. li. exiBicauda B. & G. 
Body deep, eompressed, tnperiDg to the caudal peduncle, wliicli is 
very slender. Head small, short, conical. Mouth rather small, oblique, 
the ui)i)er lip on the level of the lower part of the pupil, the maxillary 
falling’ short of the eye. Preorbital short and deej) ; suborbital moderate. 
Eye rather large, anterior, 4 in head. Scales rather large, 42 in front 
of dorsal. Dorsal tin rather small. Pectorals short. Anal high and 
long. Caudal well forked, its rudimental rays strong, about 10 in num- 
ber. Color dark above, sides somewhat silvery. Scales with dark 
specks. Head4|; depth 3J. D. IO5 A. 12; scales 13-04-8; teeth 4-5 
or 5-5. L. 12 inches. Eivers of California. 
(Baird & Girard. Proc. Acad. Nat. Sci. Pliila. 1854, 137 ; Gir.ard, U. S. Pac. R. R. 
Surv". X, 241: Leuciscns exilicatida Giintlier, vii, 248: Lariuia JiareiKjus Girard, Proc. 
Acad. Nat. Sci. Pbila. 1856, 184; the same species.) 
75.— CHROSOMUS Raliiiesque, 1820. 
Red Minnows. 
(Rafiuesque, Ichth. Oh. 47 : type Liixilus erythrof/asler Raf.) 
Body moderately elongate, little comitressed. Jaws normal; no bar 
bel. Teeth 5-5 or 4-5, moderately hooked, with well-marked grinding 
surface. Alimentary canal elongate, about twice as long as body ; peri- 
toneum black. Scales very small. Lateral line short or wanting. Dor- 
sal behind ventrals; anal basis short. Size small. Colors in spring 
brilliant, color; (raj/ia, body.) 
* Sides of the hody 'svith two i)lack stripes ; the upper riinuiug from tlie upper angle 
of the opercle straight to the caudal, sometimes breaking up in spots behiud ; 
the lower broader, extending from the snout through the eye, curved down- 
ward aloug the belly, aud extending to the caudal, where it ends in a black 
sijot (these stripes faint in the female). 
177. C. eryfBirog'aster Agassiz. — Bed-ieUied Dace. 
Body oblong, tapering each way from the middle, little compressed. 
Head moderate, rather pointed. Mouth moderate, terminal, oblique, 
the jaws about equal. Fins rather small; the dorsal aud anal high and 
short; caudal long. Scales quite small, firmly attached, but not much 
imbricated. Lateral line developed less than half the length of the 
body. Color brownish olive, with a dusky dorsal line and often some 
blackish spots ; two black lateral bauds as above described ; between 
these a bright, silvery area. Belly below the lower band abruptly sil- 
very. Pemales obscurely marked. Males in spring with the belly and 
the interspace between the lateral bands bright scarlet ; bases of the 
vertical fins also scarlet. In high coloration the body is everywhere 
