54 TELEOSTEI: EVENTOGNATHI. XII. 



band ; no caudal spot ; fins mostly red. L. 2J. N. HI. to Ozark 

 region. (Lat., dusky.) 



53. PIMEPHALES Rafinesque. (mpc^s, fat ; ice^aXj), head.) 

 a. Lateral line wanting or more or less imperfect. (Pimephales.) 



93. P. promelas Rafinesque. Body more or less short and 

 deep ; head short, blunt, almost globular in adult $ ; V. reaching 

 beyond front of A. ; scales before D. about 27. Olivaceous, a black 

 bar across middle of D. (faint in young) ; a dark shade along cau- 

 dal peduncle ; adult $ dusky, the head jet-black, with large tuber- 

 cles on snout. Head 4 ; depth 4. D. I. 7. A. 7. Scales 7-47-6. 

 L. 2. L. Champlain to Dakota and Texas, abundant in sluggish 

 brooks. Very variable ; S. W. specimens (var. confertus Girard) 

 have the lateral line almost complete. (npo, before ; /ne'Aas, black.) 

 aa. Lateral line complete. (Hyborhynchus Agassiz.) 



94. P. notatus (Rafinesque). Body rather elongate ; head 

 rather long, the snout abruptly decurved ; mouth horizontal, small ; 

 V. not to vent; scales before D. small, crowded, about 23. Color 

 olivaceous, little silvery, sides bluish ; a dusky shade toward base of 

 D.; a black blotch on front of D., wanting in young; head wholly 

 black in spring males, the snout with 14 large tubercles. Head 4J; 

 depth 5. D. 1. 8. A. 7. Scales 6-45-4. L. 4. Quebec to Del., 

 Miss., and Kansas, very abundant, variable. (Lat., marked.) 



54. EXOGLOSSUM Rafinesque. (e|co, outside; yXwo-o-a, 

 tongue.) 



95. E. maxillingua (Le Sueur). CUT-LIPS. STONE-TOTER. 

 Body rather stout ; eye small ; head large, with tumid cheeks ; 

 lower jaw included. Color dusky, a blackish bar behind head; a 

 dusky shade at base C. ; fins plain. Head 4 ; depth 4^. D. 8. A. 7. 

 Scales 8-53-5. L. 6. Hudson R. to Va., abundant. A curious 

 fish, remarkably distinguished from all other Cyprinidce by its 

 3-lobed lower jaw. (Lat. maxilla, jaw; lingua, tongue.) 



55. CLIOLA Girard. (A coined name.) 



96. C. vigilax (Baird & Girard). BULL-HEAD MINNOW. Body 

 rather stout, compressed, with deep tail; head heavy, blunt; snout 

 short, decurved; mouth terminal, slightly oblique; eye 3^ in head; 

 teeth strongly hooked ; scales in front of D. small, crowded. Pale 

 olivaceous, with a plumbeous lateral band, always ending in a black 

 spot at base of C. ; a conspicuous black spot on middle of front of 

 D. Head 4^; depth 4. D. L 8. A. 7. Scales 8-42-6; 28 scales 

 before dorsal. L. 3. Ind. to Miss, and Texas, very abundant. 

 Resembles Pimephales notatus, but distinguished by the short in- 

 testine, larger mouth, paler coloration, with more definite markings. 



