252 CONTRIBUTIONS TO NOETH AMERICAN ICHTHYOLOGY IV. 



423. L.. vittafa Cope. 



Body rather stout. Head wide and flat above, slightly depressed be- 

 hind the eyes. Muzzle obtuse, not prominent. Mouth terminal, ob- 

 lique. Eye 3f in head. Scales small, covering the whole body exce^jt 

 the space behind the pectorals ; 26 series above the lateral line and 56 

 in front of the dorsal. Preorbital bone trepezoidal. Second dorsal 

 spine as long as the first, g-nd wider. Dorsal rays somewhat enlarged 

 and ossified. Pectoral rays scarcely enlarged. Color silvery ; a lead- 

 colored lateral band and a black dorsal band. Head 3| ; depth 4|. D. 

 II, 7 ; A. 9 ; teeth 2, 4-4, 2, L. 3^ inches. Colorado Chiquito Eiver, 

 Arizona. (Cope.) 



(Cope, Proc. Amer. Phil. Soc. Phila. 1874, 131, and Zool. Wheeler's Expl. W. 100th 

 Mer. V, 64'2.) 



424. L<. jarrovii Cope. 



Body more elongate. Mouth nearly horizontal, Jo wer jaw somewhat 

 projecting. Eye larger than in L. vittata, 3^ in head, the maxillary 

 reaching its anterior border. Spines slender. Scales very small and 

 difficult to detect, 51 series before the dorsal fin. Olivaceous ; a median 

 black vertebral band ; sides silvery ; bases of ventral fins red. Head 4; 

 depth 5. D. 11, 7; A. 9; teeth 2, 4-4, 2, L. 3 inches. Colorado Chi- 

 quito Eiver, Arizona. {Cope.) 



(Cope, Proc. Acad. Nat. Sci. Phihi. 1874, 133, and Zool. Wheeler's Expl. W. 100th 

 Mer. V, 643.) 



110.— MEDA Girard. 

 (Girard, Proc. Acad. Nat. Sci. Phila. 1856, 191: type Medafulgida Grd.) 



Body elongate. Mouth terminal, normal, no barbels. Teeth 1,4-4, 1, 

 hooked, without grinding surface. Body entirely scaleless. Fins as in 

 Lepidomeda. Size small. {Meda, a classical feminine name, of no con- 

 ceivable apijlication to these singular fishes.) 



425. in. failg^Ma Grd. 



Body slender, elongate, compressed. Head elongate, subcouical, 

 the snout rounde<l. Mouth large, subterminal, slightly oblique, the 

 lower 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; Giinther, vii, 263.) 



