NO. 2236. 



FISHES OF MOHAVE RIVER— SNYDER. 



299 



The species has a large head, deep and heavy body, short and 

 rounded fins. The snout is short, the maxillary oblique, the inter- 

 orbital space broad and rather flat, the dorsal outline of the head 

 slightly concave. The origin of the dorsal is immediately over that 

 of the ventrals, halfway between the anterior border of the eye and 

 end of last vertebra. The lateral line is complete. The gillrakers 

 are short and pomted, flat, and triangular. They decrease in size 

 gradually from the middle to the ends of the arch. They number 



SiPHATELES M0HAVEN3IS. 



from 21 to 24, 6 or 7 on the short limb of the arch. Pharyngeals short 

 and heavy, the teeth slightly hooked, with broad grinding surfaces. 

 There are usually 4, sometimes 5, on the right side; 5 on the left (gill- 

 rakers and pharyngeals from paratypes). Upper surface of head and 

 body dusky, the fins aU dark. Each scale with a definite dark border 

 and a lighter center. 



The following measurements are expressed in hundredths of the 

 length: 



