NO. 2125. FISHES FROM THE OULF OF CALIFORNIA— SNYDER. 583 



which is Darned in honor of its discoverer is characterized b}^ the 

 rather rounded and elongate body, slender caudal peduncle, posterior 

 position of the dorsal fin, large scales, large eye, teeth 4-5, short ali- 

 mentary canal, almost complete lateral line, and the absence of dark 

 bars or spots. 



On comparison with other forms the exact relationships of the 

 species do not appear. It is probably allied to some form indigenous 

 to the Rio Grande. 



Description of Notropis meamsi, type No. 76163, U.S.N.M., from 

 San Bernardino River, Mexico, near monument 77 of the interna- 

 tional boundary; Dr. E. A. Meams, collector; October 6, 1893. 



Head 4.1 in length to base of caudal; depth, 3.9; depth caudal 

 peduncle, 10; scales lateral series, 40; between lateral line and middle 

 of back, 8; between occiput and insertion of dorsal, 19; dorsal rays, 8; 

 anal, 8. 





NOTEOPIS MEARNSI. 



Snout rather pointed, the length about equal to diameter of eye. 

 Cleft of mouth oblique, extending slightly beyond anterior border of 

 orbit. Dorsal inserted behind a vertical through base of ventral. 

 Caudal deeply notched, the lobes pointed; 4 or 5 upper and lower 

 rays not fully developed. Edges of dorsal, anal, and ventrals convex; 

 pectorals obtusely pointed. Teeth 4 on the right side, 5 on the left; 

 strong, pointed, with hooked tips; a jiarrow grinding surface present. 

 Peritoneum silvery; a few dusky spots on its dorsal surface; lining 

 of opercle silvery. Alimentary canal shorter than body, folded once 

 and back. (Viscera and teeth from paratype.) Pseudobranchiae 

 very large; 4 or 5 very short stubby gill rakers. 



Scales large and regular. Lateral line complete or nearly so; 

 slightly decurved anteriorly. 



Color silvery, darker and with little luster on the dorsal surface ; a 

 broad, lateral, silvery stripe present, which gradually narrows on 

 caudal peduncle; no bars or spots; a linear, black stripe, not parallel 

 with the lateral line, extends from below dorsal fin nearly to base of 

 caudal. 



