194 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



277. M. a,S*iommus (Cope) Jor. — Dig-eyed Sinner. 



Body stout, moderately elevated, somewhat compressed. Head 

 heavy, broad above, the snout moderate, somewhat decurved. Mouth 

 moderate, oblique, the jaws equal, the upper lip on the level of the pu- 

 pil, the maxillary reaching the front of the eye. Eye very large, 2f in 

 head, much longer than snout, larger than in any other of the Ameri- 

 can Gyprinidce. Fins moderate, the dorsal almost directly opposite 

 ventrals. Scales large, 15 in front of the dorsal. Lateral line much de- 

 curved. Olivaceous ; scales above dark- edged ; sides and below bright 

 silvery ; no red. Head 3f j dei)th 4J. D. 8 ; A. 9 ; scales 6-39-2 ; teeth 

 2, 4-4, 2. L. 5 inches. Ohio Valley. A handsome species. 



{Photogenw ariommus Cope, Cypr. Penn. 18G6, 378 : Cliola ariomma Jordan, Mau. Vert. 



ed.2,298.) 



27§. M. scabriccps (Cope) Jor. 



Body rather stout, little compressed, the back slightly elevated. 

 Head rather short and broad, the muzzle bluntish, somewhat decurved. 

 Mouth rather small, terminal, oblique, the maxillary reaching front of 

 orbit. Lateral line not much decurved. Fins rather small. Eye lai^ge, 

 3 in head. Color plain olivaceous; scales dark-edged above; sides 

 white, with a lateral band formed of dusky specks, this band running 

 through the eye around the snout. Males tuberculate in spring. 

 Smaller than M. ariommus and less silvery. Head 4 ; depth 4,{. D. 8 ; 

 A. 8; scales 6-38-3; 2, 4-4, 2. Ohio Valley. 



(Photogenis seabriceps Cn]>e, Proc. Acad. Nat. Sci. Phila. 1867, 166: Cliola scahriceps 

 Jordan, Man. Vert. ed. 2, 298.) 



SYO. ]Ti» jejiiniis (Forbes) Jor. & Gilb. 



Body ratlier slender. Head flatfish above, the snout blunt and 

 rounded. Mouth rather large, oblique. Eye rather large, 3| in head, 

 equal to snout, less than interorbital space. Dorsal over ventrals. 

 Sixteen scales before dorsal. Color pale, with a broad silvery lateral 

 band overlying a plumbeous shade; dorsal sometimes iiunctiilate. 

 Head 4; depth ^. D. 8; A. 7; scales 5-37-3; teeth 2, 4-4, 1. L. 3 

 inches. Illinois River. 



{Episema jejuna Forbes, Bull. Ills. Lab. Nat. Hist, ii, 60, 1878.) 



2§0. M. lenciodus (Cope) Jor. 



Body rather slender. Muzzle rounded in profile. Mouth oblique, 

 the mandible not projecting. Lateral line nearly straight. Twelve 

 rows of scales in front of the dorsal iin. Olivaceous; scales above 

 dark-edged; sides silvery, with a purple band; a black spot at base of 



