194 CONTRIBUTIONS To \<>|;l!i AMKRICAX ICHTHYOLOGY - IV. 



277. in. ariomnius (< c ;. 



Body stout, moderately elevated, somewhat compressed. Head 

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

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

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

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

 can Cyprinidcc. Fins model ate, the. dorsal almost directly opposite 

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

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

 silvery; no red. Head 3i|; depth 4j. D. 8; A. 9; scales G-30-- : teeth 

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



(L'lwtot/enix ariommus Copo, Cypr. POILU. I860, 378: Cliola ariomma Jordan, Man. Vi-rr. 

 ed. 2, 298.1 



278. in. scabriccps (Cope) Jor. 



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

 Head rather short and broad, the muzzle bluntish, somewhat dee.urved. 

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

 orbit. Lateral line not much decurved. Fins rather small. Eye large, 

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

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

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

 Smaller than AT. ariommux and less silvery. Head 4; depth 4. D. 8; 

 A. 8; scales G-3S-3; 2, 4-4, U. Ohio Valley. 



(Photogenis soabriceps Cnpe, Proc. Acad. Nat. Sci. Phihi. 1867, 1GG: Cliola Hcabricepa 

 Jordan, Man. V-.rt. cd. ',', ..".> 8.) 



279. i*n*. jejuniis (Forb- A; Gill). 



Body rather sleiid Head llattish above, the snout blunt and 



rounded. Mouth rather large, oblique. lOye rather large. .T] in heail, 

 equ -non!, l;-ss lit;. a interorhital sjiaee. Dorsal over ventrals. 



Sixteen scales be.ioie. di.: -:;i. Color pale, with a broad sihcry lateral 

 ba-id overlyiuu a plumbeous shade.; dorsal sometimes punctulute. 



ll'-ad i; deptii i;;. I). s ; A. 7; scales 6-37-5 ; teeth i', 4-1, l. L. ;> 

 inches. Illinois liiver. 



'/'. 'inn Forbrs, Hull. Ill Lab ' i liisi. li, tin, 1>7S.) 





2NO. ill. Icuciodiis < 



Body rather slender. Minded in prolilc. Mouth oblique, 



mandible no: |.n.j>M i ui^. Lateral line neai-ly straight. Twelve 

 rows of scales in front i' ll.c doisal iin. Olivaceous; scales above 

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



