252 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
423. 1 ^. v'itfafa Cope. 
Body rather stout. Head wide aud flat above, slightly depressed be- 
hind the eyes. Muzzle obtuse, not proiuiueut. Mouth terminal, ob- 
licpie. Eye 3^ in head. Scales small, covering the whole body except 
the space behind the pectorals; 20 series above the lateral line ami 50 
in front of the dorsal. Preorbital bone trepezoidal. Second dorsal 
spine as long as the lirst, and wider. Dorsal *rays somewhat enlarged 
and ossified. Pectoral rays scarcely enlarged. Color silvery ; a lead- 
colored lateral band aud a black dorsal baud. Head ; depth 4;^. D. 
II, 7 ; A. 9 ; teeth 2, 4-4, 2. L. 3.^ inches. Colorado Chiqnito Eiver, 
Arizona. (Cope.) 
(Cope, Proc. Ainer. Phil. Soc. Phila. 1674, 131, aud Zool. Wheeler’s Espl. W. 100th 
Mor. V, (542.) 
424. Li. jarrovii Cope. 
Body more elongate. Month nearly horizontal, lower jaw somewhat 
projecting. Eye larger than in L. vittata, 3^ in head, the maxillary 
reaching its anterior border. Spines slender. Scales very small and 
diflicnlt to detect, 51 series before the dorsal tin. Olivaceous ; a median 
black vertebral band ; sides silvery ; bases of ventral fins red. Head 4; 
depth 5. D. II, 7; A. 9; teeth 2, 4-4, 2. L. 3 inches. Colorado Chi- 
qnito Eiver, Arizona. (Cope.) 
(Cope, Proc. Acad. Nat. Sci. Phila. 1874, 133, and Zool. Wheeler’s Ex^)!. W. 100th 
Mer. V, G43.) 
110.— MEDA Girard. 
(Gii-ard, Proc. Acad. Nat. Sci. Phila. 1856, 191 : type Meda fulgida Grd.) 
Body elongate. Month terminal, normal, no barbels. Teeth 1,4-4, 1, 
hooked, without grinding surface. Body entirely scaleless. Fins as in 
Lepidomeda. Size small, (il/cdn, a classical feminine name, of no con- 
ceivable application to these singular fishes.) 
425. M. fiilffidii Grd. 
Body slender, elongate, compressed. Head elongate, snbconical, 
the snout rounded. Month large, snbtermiual, slightly oblique, the 
losver jaw included, maxillary extending to below orbit. Second dorsal 
spine highest ; dorsal behind ventrals. Coloration silvery. D^II, 7 ; A. 
8; teeth 1, 4-4, 1. Eio Gila. (Girard.) 
(Girard, Proc. Acad. Nat. Sci. Phila. 1856, 191; Giiiithcr, vii, 263.) 
