54 TELEOSTEI: EVENTOGNATHI. — XII. 
band; no caudal spot; fins mostly red. L. 2}. N. Ill. to Ozark 
region. (Lat., dusky.) 
53. PIMEPHALES Rafinesque. (mpeAns, fat ; ce@adn, 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. 24. L. Champlain to Dakota and Texas, abundant in sluggish 
brooks. Very variable; S. W. specimens (var. confertus Girard) 
have the lateral line almost complete. (apd, before; peédas, 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 44; 
depth 5. D.1I.8. A. 7. Scales 6-45-4. L. 4. Quebec to Del. 
Miss., and Kansas, very abundant, variable. (Lat., marked.) 
54. EXOGLOSSUM Rafinesque. (¢£a, outside; yAécoa, 
tongue. ) 
95. E. maxillingua (Le Sueur). Curt-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; depth4}. D.8. A. 7. 
Seales 8-53-5. L.6. Hudson R. to Va., abundant. A curious 
fish, remarkably distinguished from all other Cyprinide@ by its 
3-lobed lower jaw. (Lat. mazilla, jaw; lingua, tongue.) 
55. CLIOLA Girard. (A coined name.) 
96. C. vigilax (Baird & Girard). BuLi-HEAD Minnow. Body 
rather stout, compressed, with deep tail; head heavy, blunt; snout 
short, decurved; mouth terminal, slightly oblique; eye 34 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 41; depth 4. D. I. 8 A. 7. Scales 842-6; 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. 
