Jordan and Evermann. Fishes of North America. 249 



mouth small, terminal oblique. Eye very large, longer than snout ; fins 

 large, the caudal long, deeply forked ; pectorals extending f distance to 

 ventrals. Breast partly naked. Yellowish brown, sides faintly silvery; 

 scales above dark-edged. Dorsal with a submedian black blotch in front 

 on 4 rays : a second blotch usually present on 3 posterior rays. Length 

 2 inches. Western Ohio to Illinois, replacing 0. emilicK northward; 

 perhaps not a distinct species. (,ueya/loi/;, large-eyed.) 



Trycherodon inegalops, FORBES, in JORDAN & GILBERT, Synopsis, 248, 1883, Illinois River at 

 Pekin and Peoria ; Mackinaw Creek, Illinois. (Type, No. 28406. Coll. Forbes.) 



Subgenus OPSOPQEA, Jordan & Evermann. 

 393. OPSOP<EODUS BOLLMANI, Gilbert. 



Head 4g : depth 4f to 5; eye 3|. D. 8; A. 8; scales 5-37-4. Head 

 small, snout compressed, slender, somewhat rounded at tip, resembling 

 Hybopsis labrosus. Mouth small, subterminal, slightly overhung by the 

 snout, its cleft slightly oblique ; maxillary reaching vertical from posterior 

 nostril, shorter than snout, 4J in head. Eye equal to snout. Teeth 4-5 

 or 5-5, with well-developed grinding surface, one edge of which is con- 

 spicuously serrated, but less so than in 0. emiliae. Insertion of dorsal 

 behind ventrals, slightly nearer caudal than snout ; caudal deeply forked ; 

 lower fins moderate. Lateral line present on 7 or 8 scales only ; breast 

 scaled. Dark olive, the scales edged with dusky ; a black lateral band 

 through eye to caudal; chin black; a V' 8 ^ ia P e( l pale area on snout; a 

 black spot nearly as large as eye at base of caudal ; a dark dorsal streak 

 and one backward from anal ; fins dusky ; males with a black blotch^ on 

 first two dorsal rays ; marginal third of fin dusky ; anal and ventrals bor- 

 dered with black. Length 2 inches. Lowland swamps, known from 

 Satilla 'River, Way cross, Georgia, and Obion River, Cypress, Tennessee. 

 (Named for Charles Harvey Bollman, who first obtained the species and 

 who died untimely of fever, taken in the Georgia swamps.) 



ppopacJiM bollmani, GILBERT, Bull. U. S. Fish Comm., vm, 1888, 226, 1890, Buckland Creek, 

 Millen, Georgia. (Coll. Bollman & Fesler.) WOOLMAN, Bull. U. S. Fish Comm., x, 1890, 

 272, 1892. 



120. ABRAMIS, Cuvier. 

 (BREAMS.) 



Abramis, CUVIER, Regne Animal, Ed. i., Ill, 1817, (brama). 



Notemigonus, RAFINESQUE, Journ. de Physique, de Chymie, et d'Hist. Nat., Paris, 1819, 421, 



(auratus), 



Hemiphm, RAFINESQUE, Annals Nature, i, 6, 1820, (lacustris). 

 Stilbe, DE KAY, New York Fauna : Fishes, 204, 1842, (clirysoleiica). 

 Ballerus, HECKEL, Russegger's Reisen, i, 1032, 1843, (ballerus). 

 Stilbius, GILL, Canadian Naturalist, 1865, 18, (americannt). 

 Abramulopsis, SIEBOLD, Siisswasserfische Oesterreichs, 117,1863, (leuckarti ; hybrid with Rutilus). 



Body subelliptical, strongly compressed, both back and belly curved; 

 back narrowly compressed ; belly behind ventral fins forming a keel over 

 which the scales do not pass. Head small, conic. Mouth small, oblique 

 or horizontal, without barbels. Scales rather large. Lateral line con- 

 tinuous, strongly decurved. Dorsal fin inserted behind the ventrals. 



