31. CYPRINID^ CLIOLA. 167 



life. Head 4 j depth 5. ' D. 8 j A. 9 ; Lat. 1. 37 ; teeth. 4-4. L. 3 inches. 

 Headwaters of Holston Eiver. (Cope.} 

 (Hybopsis spcctrunculus Cope, Journ. Acad. Nat. Sci. Phila. 1868, 231. ) 



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



Head narrow. Mouth inferior and horizontal. Lateral line anteriorly 

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

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

 to base of caudal ; fins all plain. Head 4 ; depth 4. D. 8 ; A. 9 ; scales 

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



(Albitrnops -nuMlus Forbes, Bull. Ills. Lab. Nat. Hist, ii, 56, 1878.) 



207. . ffVctcnsas (Cope) J. & G. 



Body slender and compressed, resembling Minnilus. Head convex 

 between orbits. Mouth quite oblique, the middle of the premaxillary 

 being opposite the line of the pupil 5 maxillary not reaching to orbit. 

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

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

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

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

 L. 2i inches. Michigan to Illinois. 



(Hybopsis frctensis Cope, Cypr. Penn. 382, 1866.) 



2O. C. longaroslris (Hay) J. & G. 



Form of Ericymba, buccata. Head rather small. Eye shorter than 

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

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

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

 in front of the dorsal. Origin of dorsal midway between tip of snout 

 and base of caudal, directly over veutrals. Pectorals not reaching 

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

 and a narrow dorsal streak ; fins dusky. Head 4^. D. 8; A. 7; scales 

 4-3G-3 ; teeth 4-4, with grinding surface. Chickasawha Eiver, Missis- 

 sippi. 



(Alburnops longirostris Hay, Proc. U. S. Nat. Mus. 1880, 504.) 



2O9. O. slu'aasaaaaea (Cope) J. & G. Straw-colored Minnow. 



Body moderately stout, little compressed. Head rather broad, with 

 rounded angles. Mouth small, inferior, horizontal. Snout very obtuse. 

 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 



