218 Bulletin 47, United States National Museum. 



across base of caudal ; pectoral fins white, except the black outer edge, 

 which is followed by a narrow, sharply-defined streak of bright silvery; 

 other fins white, the middle portions black ; head all black. Lateral line 

 complete, (confertus, compact.) 

 Hyborhynchm confertus, GIRARD, Proc. Ac. Nat. Sci. Phila., 1856, 179, (9), Hurrah Creek, a 



tributary of Pecos River, Texas. (Coll. Mollhausen.) JORDAN & GILBERT, in part, 



Synopsis, 159, 1883. 



350. PIMEPEALES NOTATUS* (Rafinesque). 

 (BLUNT-NOSED MINNOW.) 



Head 4^; depth 5; D. T, 8 ; A. 7 ; scales 6-45-4 ; teeth 4-4. Body rather 

 elongate, not elevated, moderately compressed. Head moderate ; the muz- 

 zle blunt and convex ; top of the head depressed. Cheeks vertical. Mouth 

 small, inferior, horizontal. Fins small; the dorsal moderate, the first ray 

 distinct and spine-like in the male, slender in the female; anal small, 

 caudal fin short. Scales moderate, deep, closely imbricated ; scales in 

 front of dorsal small and crowded, in 23 rows. Eye moderate. Color oli- 

 vaceous, little silvery ; sides bluish ; a black spot on the dorsal fin in front, 

 near the base, less distinct than in Cliola vigilax; a dusky shade at base 

 of caudal ; fins often reddish ; males in spring with the black on the dorsal 

 more extended and the head wholly black ; snout with about 14 dispro- 

 portionately large tubercles. Length 4 inches. Quebec to Delaware, 

 Kentucky, Alabama, Arkansas, and northward to the Dakotas ; generally 

 very abundant in small streams west of the Alleghanies. (notatus, noted 

 or spotted.) 



Minnilus notatus, RAFINESQUE, Ichth. Oh., 47, 1820, Ohio River. 

 Catoslomm melanotus, RAFINESQUE, Ichth. Oh., 58, 1820, Ohio River. 

 Hyborhynchm perspicuus, GIRARD, Proc. Ac. Nat. Sci. Phila., 1856, 185, Arkansas River, Fort 



Smith. (Type, No. 144. Coll. Shumard.) 



Hyborhynchm tenelluK, GIRARD, 1. c., 179, Choctaw Agency. (Coll. Mollhausen.) 

 Hyborkynchus puniceus, GIRARD, /. c., 179, Antelope Creek, Canadian River. (Coll. 



Kennerly.) 

 Hybopsis hsematurus, COPE, Cypr. Penn., 382, 1866, St. Joseph River, Michigan ; Michigan 



City, Indiana. 



Hyborhynchus supercilious, COPE, Journ. Ac. Nat. Sci. Phila., 1868, 234 ; Kanawha River. (Breed- 

 ing males with the lips thickened). (Type, No. 20532. Coll. Cope.) JORDAN & GILBERT, 

 Synopsis, 160, 1883. 



Hyborhynchm notaius, GUNTHER, Cat., vn, 182, 1868; JORDAN & GILBERT, Synopsis, 159, 1883. 

 Hybognathus perspicuus,GvXTHER, Cat., VII, 185, 1868. 

 Leuciscus hsematurm, GUNTHER, Cat., vn, 259, 1868. 

 Cliola hsematura, JORDAN & GILBERT, Synopsis, 166, 1883. 



109. MYLOPHARODON, Ayres. 



Mylopharodon, AYRES, Proc. Cal. Ac. Nat. Sci., 1855, 33, (robustus). . 



Body elongate ; head large, pike-like, the upper jaw not protractile; 

 no barbel. Teeth 2, 4-5, 2 ; 2 or 3 of the teeth in the main row molar, 



*The following nominal species is probably the young of Pimephales notatus: Hybopsis hsema- 

 turus, COVE. Head 4; depth 4f; eye 3%. D. 8 ; A. 7; scales 7-44-4; teeth 4-4, little hooked. Head 

 moderate, the muzzle little obtuse. Mouth moderate, terminal, oblique, the maxillary reaching 

 orbit ; temporal region rounded. Scales rather small, 21 rows in front of dorsal. Lateral line 

 slightly decurved. Plumbeous above ; head blackish ; a faint dusky lateral band, ending in a 

 dunky spot at root of caudal fin ; caudal fin dull red ; fina otherwise plain. Length 3 inches. 

 Streams about the head of Lake Michigan. Said to be abundant. (Cope.) (cu/aa, blood ; ovpa, tail.) 



