Jordan and Ever ma nn. — Fishes of North America. 217 



849. PIMEPHALKS PROMKLAS, Rafinesquc. 

 (Fat-heaii; Bi.ack-iieai) Minnow.) 



Head 4; depth 4; D. I, 7; A. 7; scales 7-43 to 47-6; teeth 4-4. Body 

 very short and deep. Head short, everywhere convex, almost gohular 

 in adult males. Mouth small, inferior, horizontal. Scales deep, closely 

 imbricated. Lateral lino extremely variable, sometimes nearly complete 

 (cotiferius), sometimes almost wanting, (typical j»-owie?as). Olivaceous, the 

 dorsal with a large black bar across it, nearly half way up, most distinct 

 anteriorly, appearing as a simple dusky shade in the young. Male 

 fish dusky, the head jot-black, with several large tubercles on the snout 

 in spring ; a dusky shade along sides of caudal peduncle. Length 2^ inches. 

 Lake Champlain to Kentucky, Dakota, and the Rio ( Jrande ; abundant in 

 sluggish brooks, especially in the Missouri Basin. Varies greatly with 

 age, sex, and season, (vrpo, before; fieTiar^ black.) 



Pimephales promelas, Rafinesque, Iclitli. Oil., 53, 1820, pond near Lexington, Kentucky; 

 (Coll. Wm. M. Clifford); Guntiier, Cat., vii, 181, 1868 ; Jordan & Gilkert, .Synopsis, 158, 

 1883. 



Pitneiihules fii.<iciali(s, GiRARn, Troc. Ac. Nat. Sci. Phila., 1S5G, 180, Yellowstone River. (Coll. 

 Haj'den.) 



Plarfiyriismelanocephabis, Arbott, Proc. Ac. Nat. Sol. Phila., 1800, 325, Lake Whittlesey, Min- 

 nesota. (Type, No. 3374. Coll. Abbott.) 



Pimephales mihsi* CoPE, Proc. Ac. Nat. Sci. Pliila., 18G4, 282, Grosse Isle, Detroit River, 

 Michigan. (Coll. Miles.) Gunther, Cat., vii, 181, 18G8. 



Pimephiiles a(jassizu, CoPE, Cypr. Penu., 394, 1SG6, Miami River, tributary near Rich- 

 mond, Indiana. 



ColiscuK parielalis, CoPB, Haydeu's Report for 1870, Geolog. Surv. of Wyoming, 437, 1871, Saint 

 Joseph, Missouri. (Coll. Haydeu.) Jordan & Gilbert, Synopsis, 158, 1883. 



Represented in Arkansas and Indian Territory by the closely related 



349a. PIMEPHALKS PROMELAS MACULOSUS (Giranl). 



Differs only in having the lateral line better developed ; the pores want- 

 ing on less than half the scales. Coloration, so far as known, as in P. 

 promelas. Arkansas River, locally abundant, probably in other streams 

 from Kansas to Texas, (maciilosus, spotted.) 



PImephale.': mncnlnsn$, Girard, Proc. Ac. Nat. Sci. Pliila., 1850, 180, Sluices of Arkansas River, 

 Fort Makee, Arkansas ; (Type, No. 153, (2729). Coll. Beckwitli.) Girard, Pac R. R. 

 Surv., X, 234, 1858. 



llilhorhi/nchus nigeUun, Cope, Zool. Wheeler Surv., v, G71, 1875, (187G), Arkansas River, Pueblo, 

 Colorado. (Type, Nos. 15793 aud 15784. Coll. Aiken.) 



IlijhurhijHehus ciivferliia, Jordan A Gii.iieut, in part. Synopsis, 159, 1883. 



Represented in the Rio (Jrande basin by 



349li. PIMEPHALKS PROMELAS CONFERTUS (Girard). 



Similar to the variety maculoms, but more chubby, and the male appar- 

 ently differently colored. An adult male from the Chihuahua River, col- 

 lected by Mr. Woolman, is black, with two broad white cro.ss bands, the 

 one across the gill opening, including edge of opercle and shoulder 

 girdle ; the other under front of dorsal. Another band, less distinct, 



* Pimephales milesi maybe a tangible variety; the scales are said to bo 40, with only 3 series 

 between the lateral lino and the ventrals, while there are usually 6 to 7 iu P. promelas. 



