31. CYPRINID^E — CLIOLA. 
163 
equal to snout, 3J in head. Dorsal slightly behind ventrals, nearer 
snout tliau base of caudal. Lateral line with pores on 8 or 10 scales 
only. Straw-color; a narrow dark dorsal band, and a dark streak on 
each side of anal. A plumbeous lateral band, and black specks on each 
scale. A black spot as large as the eye at base of caudal. Head U ; 
depth 5. D. 8 ; A. 8 ; scales 5—38—3 ; teeth 4-4, with grinding surface. 
L. inches. Chickasawha Eiver, Mississippi. {Ray.) 
(Hay, Proc. U. S. Nat. Mus. 1880, 505.) 
201. II. SBCtes’odOBi Cope. 
Body moderately stout, the back compressed and somewhat elevated. 
Head rather pointed, the muzzle acuminate. Mouth oblique, the lower 
jaw projecting, the upper lip opposite tlie upper rim of pupil. Maxillary 
extending to opposite front of orbit. Thirteen scales in front of dorsal. 
Eye 3 in head. Color olivaceous. A blackish dorsal band. Sides with 
a leaden or dusky band. D. 8; A. 8. Scales 5-30-3, the lateral line 
extending about half the length of the body. Teeth 4—4, often crenate. 
L. inches. Michigan and Wisconsin. 
(Alburnojys lieterodon Cope, Proc. Acad. Nat. Sci. Phila. 1864, 281 : Hijlyopsis heierodon 
Cope, Cypr. Penn. 382: Leuciscus heierodon Giinther, vii, 261: SeniUremia lieterodon Jor-- 
dan, Man. Vert. 303.) 
84.— CI^IOI^A Girard. 
Silver Fins. 
{Codoma, Cijimnella, Montana, and Hinisoaiits Girard ; Phofogenis and Hylojjsis Cope ; 
Graodus Giinther; A'rojaZrt Jordan.) 
(Girard, Proc. Acad. Nat. Sci. Phila. 1856, 192 : type Ceratichthys vigilax Bd. &, Grd.) 
Body m ate, oblong, or elongate, usually compressed. Mouth normal, 
usually rather small. !No barbels. Scales various, commonly large, often 
closely imbricated. Lateral line complete, usually decurved. Dorsal fin 
generally more or less behind ventrals. Anal short or rather elongate. 
Teeth 4-4, or 1, 4-4, 0, or 1, 4-4, 1* (1, 4-4, 2 in one species), hooked, with 
or without grinding surface, the edge often more or less serrate. Intes- 
tinal canal short. Peritoneum mostly jtale. Males in spring usuallv 
prickly, with the fins charged with red or white pigment. A very large 
gioup of small fishes, usually brilliantly colored; abundant in all our 
Southern and Eastern rivers, and extending southward to Western 
Mexico.! All are American. (A coined name.) 
Said to he 1, 3-3, 1 in one species, C. cobifis. If this be true, the latter species will 
lorni the type of a distinct genus, Tiaroga Girard, Proc. Acad. Nat. Sci. Phila. 1856, 
204 : type Tiaroga cobitis Girard. (A coined name.) 
t(a.) C. alia Jordan. Body moderately elongate, compressed, deep, the back 
somewhat elevated. Head short, somewhat depressed above, moderately pointed, 
ye moderate, shorter than snout, 5—6 in head. Mouth medium, oblique, terminal, 
