268 Bulletin 47, United States National Museum. 



425. NOTROPIS NOCOMIS, Evermann. 



Head 41 ; depth 4f to 5; eye large, 3 to 3J in head, equal to interorbital 

 width. D. 8; A. 8; scales 6-36-3; teeth 1, 4-4, 1, small, hooked, the 

 grinding surface narrow, slightly crenate. Body slender, little elevated; 

 head heavy, formed as in Cliola vigilax', snout blunt and rounded, equal 

 to eye; mouth small, inferior, horizontal; lower jaw included ; maxillary 

 short, not nearly reaching orbit; preorbital broad ; caudal peduncle long 

 and slender. Dorsal high, inserted over ventrals ; pectorals short, not to 

 ventrals; lateral line complete. Yellowish, with crosshatching of dark 

 specks above; a dark lateral band, faint anteriorly; no caudal spot; 

 fins plain. Length 2| inches. Trinity, San Marcos, and Comal rivers, 

 Texas ; locally abundant. (Nocomis, an Indian name, applied by Girard to 

 a group of fishes here regarded as a subgenus under Hybopsis.) 



Notropis nocomis, EVERMANN, Bull. IT. S. Fish Comm., xi, 1891, (May 25, 1892), 78, Trinity 

 River, Palestine, Texas, and San Marcos River, San Marcos, Texas. (Type, No. 

 45556. Coll. Evermann, Scovell, & Gurley.) 



426. NOTBOPIS SHUMARDI (Girard.) 



Head 31 ; depth 4i ; eye very large, 21 to 3 in head. A. 7; scales 5-36-2; 

 teeth 1,4-4, 1, (2, 4-4, 2, according to Girard), with deep grinding surface, 

 and the edge strongly crenate. Body compressed, the back elevated; tail 

 slender ; snout short, not blunt ; mouth terminal, very oblique; lower jaw 

 included ; maxillary reaching front of eye ; dorsal inserted over ventrals; 

 12 scales before dorsal. Olivaceous, sides with dusky streaks and dark 

 specks. Length 3 inches. Ohio and Tennessee basins to Iowa and the 

 Ozark region, in cold streams and springs; abundant in Arkansas, and in 

 northern Alabama. (Named for Dr. George C. Shumard, naturalist on the 

 Mexican Boundary Survey.) 



Alburnops shumardi, GIRARD, Proc. Ac. Nat. Sci. Phila., 1856, 194, Arkansas River, Fort 



Smith, Arkansas. (Coll. Shumard.) 

 Nolropit loops, GILBERT, Proc. U. S. Nat. Mus., 1884, 201, Salt Creek, Brown County, Indiana, 



and Flat Rock Creek, Decatur County, Indiana. (Type, No. 34982. Coll. Gilbert.) 

 Minnilm shumardi, JORDAN & GILBERT, Synopsis, 194, 1883. 

 Minnilm ecdbriceps, JORDAN & GILBERT, Synopsis, 194, 1883, not of Cope. 



427. NOTROPIS ILLECEBROSUS (Girard). 



Head 41 ; depth 41 ; eye 3 ; snout 3f . D. 8 ; A. 8 ; scales 7-35-3, 11 before 

 the dorsal ; teeth 1, 4-4, 1, slightly hooked, with slight grinding surface. 

 Body rather deep, compressed, caudal peduncle deep, its least depth 2| in 

 head. Mouth large, oblique, maxillary reaching eye ; lower jaw included! 

 eye large, greater than snout; interorbital width equal to snout; width 

 of lower jaw at base !$ in eye. Origin of dorsal very little behind inser- 

 tion of ventral fins, a little nearer snout than base of caudal. First rays 

 of dorsal somewhat produced, their length greater than that of head ; free 

 margin of dorsal very slightly concave in the expanded fin ; base of fin If 

 in longest ray. Longest anal ray 11 in head. Pectorals equal longest 

 dorsal ray. Pale straw color, side with a broad silvery band following 

 course of lateral line ; sides of head silvery. Length 3 inches. Descrip- 



