Jordan and Evermann. — Fishes of North America. 267 



Photogenis piptolepis. Cope, Hayden's Geol. Surv. Terr.Wyom. for 1S70, (1871), 438, Red Cloud 

 Creek, a tributary of North Platte River. 



Cliola zonala, Jordan & Gilbert, Synopsis, 183, 1883, (not Nutropis smialm). 



422. NOTROPIS SIMUS (Cope). 



Head 4i ; depth 41^; eye 4;^. D. 8; A. 9 ; scales 8-35-4, 22 series in front 

 of dorsal fin ; teeth 1, 4-4, 1 ; said to be without grinding surface. Body 

 robust. Head short and broad, with short, decurved muzzle. Mouth 

 large, oblique, upper lip below level of pupil, maxillary extending past 

 front of orbit. Fins large, the dorsal well behind ventrals. Coloration 

 entirely silvery, brightest on sides. Length 3^^ inches. Rio Grande at 

 at San Ildefonso, New Mexico. (Cope.) {simus, ai/uog, snubnosed.) 



Alhumelhis simus, CoPE, Zoijl. Wheeler Surv., v, 649, 1875, (1876), San Ildefonso, New Mexico. 



(Type, No. 1G982. Coll. Yarrow.) 

 Cliola sima, Jordan & Gilbert, Synopsis, 170, 1883. 



423. NOTROPIS LONGIROSTRIS (Hay). 



Head 4i; eye 4. D. 8; A. 7; scales 4-36-3; teeth 1, 4-4, or 1,* with 

 grinding surface. Form of Ericijmha buccata. Head rather small ; eye 

 shorter than the blunt snout. Upper jaw rounded, considerably project- 

 ing beyond lower. Mouth rather large, horizontal ; maxillary extending 

 to front of eye. Scales large ; about 12 large scales in front of dorsal. 

 Origin of dorsal midway between tip of snout and base of caudal , directly 

 over ventrals. Pectorals not reaching ventrals ; the latter to vent. Straw 

 color, with an obsolete lateral band and a narrow dorsal streak; fins 

 dusky. Chickasawha River, Mississippi, to Escambia River, Florida. 

 (longus, long; rostrum, snout.) 



Alhmtioiis Imigirostri.1, Hay, Proc. U. S. Nat. Mus., 1880, 504, Chickasawha River at 



Enterprise, Mississippi. (Type, Nos. 27440 and 32267. Coll. Hivy.) 

 Cliola hniyirostria, .Torpan & Gilbert, Synopsis, 167, 1883. 

 Notropis loiigiroslris, Gilbert, Bull. U. S. Fish Comm., ix, 1889, 158. 



424. NOTROPIS NUX, Evermann. 



Head 4; depth 4^; eye large, 3 in head, equal to snout, and to interorb- 

 ital width. D. 8; A. 7; scales 6-37-3, 13 before dorsal; teeth 1, 4-4, 1 

 or 0, rarely 1, 4-4, 2, the grinding surface developed and a little crenate. 

 Body slender, the back somewhat elevated ; head subconic, the snout 

 rather blunt ; mouth moderate, oblique ; maxillary not reaching orbit ; 

 lower jaw slightly included ; caudal peduncle long and slender. Dorsal 

 inserted over ventrals, the longest rays as long as head ; anal small; pec- 

 torals short, not to ventrals ; caudal long ; lateral line straight, complete. 

 Greenish, the back with crosshatching of dark specks; a dark vertebral 

 streak ; a plumbeous lateral band, ending in a small, but distinct, caudal 

 blotch, this band extending across opercles, eye, and snout; fins plain. 

 Known only from Neches and Trinity rivers, near Palestine, Texas, (mix, 

 nut ; in Spanish, neche.) 



Notropis mix, Evermann, Bull. U. S. Fish Comm., xi, 1891, (May 25, 1892), 77, Neches and 

 Trinity rivers, Palestine, Texas. (Type, No. 45555. Coll. Evermann, Scovell, & 

 Gurley.) 



♦According to Dr. Gilbert ; Dr. Hay found the teeth 4-4. 



