74 FIELD COLUMBIAN MUSEUM ZOOLOGY, VOL. V. 



66. Nototropis santamariae Evermann & Goldsborough. 



Notropis santamarics Evermann & Goldsborough, Bull. U.S. Fish 



Comm., 1902, 147; Lago de Santa Maria, Chihuahua. 

 Basin of the Rio Santa Maria. 



FlG. 21. NOTOTROPIS SANTAMARIXE Evermann & Goldsborough. 

 No. 50003, U. S. National Museum. 



Head 4; depth 3^; D. 8; A. 9; scales 9-38-2. Body short, deep, 

 and compressed; head short, obtuse; mouth rather small, oblique; 

 jaws subequal, the lower slightly included; maxillary scarcely reach- 

 ing eye; its length 6 in head; interorbital 6 in head; eye large, 3^3 

 in head; origin of dorsal fin over ventrals, midway between base of 

 caudal and anterior margin of the orbit; scales large, loose, and 

 closely imbricated, the exposed portions of the anterior ones deeper 

 than long; about 15 scales between nape and dorsal fin; longest 

 dorsal ray i in head; pectorals short, pointed, i% in head, not 

 reaching base of ventrals; ventrals barely reaching origin of anal; 

 lateral line greatly decurved and incomplete, only n to 13 pores; 

 fins all small; teeth 4-4, slightly hooked; caudal peduncle moderate, 

 its least depth 2$ in head. 



Color olivaceous, paler below; back and upper part of side with 

 numerous small dark specks ; the edges of the scales dark ; an obscure 

 dark lateral band, plainest on caudal peduncle; median line of back 

 dark; top of head dark; snout somewhat dusky; dorsal and caudal 

 fins dusky, other fins pale. Length about 2 inches. Known only 

 from the type locality. 



67. Nototropis formosus (Girard). 



Moniana formosa Girard, Proc. Acad. Nat. Sci. Phila., 1856, 201; 

 Rio Mimbres, Chihuahua: Girard, Mex. Bd. Sur., 58, pi. 

 xxx, figs. 5-8, 1859; Rio Mimbres, Chihuahua. 



