31. CYPRINIDiE CLIOLA. 167 



life. Head 4 ; dcptli o^. D. 8 ; A. 9 ; Lat. 1. .37 ; tectli 4-4. L. 3 iucbes. 

 Headwaters of Holstou Eiver. {Cojje.) 



(Ililhopsis Npcctrnnculus Cope, Journ. Acad. Nat. Sci. Pliila. 18G8, 231.) 



206. C. nub3Qa (Forbes) J. & G. 



Head narrow. Mouth inferior ami horizontal. Lateral line anteriorly 

 deflexed. Eye large, 3 in head, rather longer than muzzle. Fourteen 

 scales before dorsal. Color very dark ; a dark lateral band from muzzle 

 to base of caudal ; fins ali. plain. Head4i; depth 4. D. 8; A. 9; scales 

 5-37-3; teeth 4-4, little hooked. L. 2:^ inches. Uock Eiver, Illinois. 



(Alburnopti imb'dits Forbes, Bull. Ills. Lab. Nat. Hist, ii, 50, 1878.) 



207. €. iTreitensJs (('ope) J. & G. 



Body slender and compressed, resembling Minnilm. Head convex 

 between orbits. Mouth quite oblique, the middle of the in-emaxillary 

 being opposite the line of the pupil; maxillary not reachiug to orbit. 

 Eye 3} in head. Seventeen rows of scales in front of dorsal. Lateral 

 line docurved. Olivaceous; a dark median dorsal band; a plumbeous 

 silvery lateral shade; cheeks silvery; a dark spot at base of caudal; 

 tins plain. Head 4; depth 5. D. 8; A. 8; scales 6-35-3; teeth 4-4. 

 L. 2^ inches. Michigan to Illinois. 



(Iljbopuhi frct'iisis Coiio, Cypr. Perm, 382, 186G.) 



2©§. C. DoiisorostB'BS (Hay) J. & G. 



Form of J'Jn'c>jmba huccata. Head rather small. Eye shorter than 

 snout, 4 iu head. Upper jaw rounded, considerably projecting beyond 

 the lower jaw. Mouth rather large, horizontal, maxillary extending to 

 opposite anterior margin of the eye. Scales largo ; about 12 large scales 

 in front of tlu^ dorsal. Origin of dorsal midway between tip of snout 

 and base of caudal, directly over ventrals. Pectorals not reacliing 

 ventrals; the latter to vent. Straw-color, with an obsolete lateral band 

 and a narrow dorsal streak ; fins duslcy. Head 4.}. 1). 8; A. 7; scahvs 

 4-30-3; te^'th 4-4, with grinding surface. Chickasawlia IJiver, Missi.s- 

 sippi.' 



{Alb:tnv>pp, lotujlroHtrix Hay, Proc. U. S. Nat. Miis. 1880, 504.) 



209. C slriicuJaBca (Cope) J. & G. — Straw-colored Minnow. 



Body moderately stout, little comjiressed. Head rather broad, wiih 

 rounded angles. Mouth small, niierior, horizontal. Snout very ol)rus('. 

 Eye large, 3 in head. Fifteen rows of scales in front of dorsal fin. 

 Pale olivaceous; sides little silvery; usually a darker dorsal baud; fins 



