1058 Bulletin 47, United States National Museum. 



Represented southeastward by 



1446b. BOLEOSOMA NIGRUM EFFTJLGENS (Girard). 



Head 4 ; depth 6i ; eye 3f in head. D. IX-13 ; A. I, 9 ; scales 5-40 to 

 49-6. Body rather slender; caudal peduncle not contracted: opercular 

 spines rudimental ; muzzle abruptly decurved. Opercles scaly ; cheeks, 

 nape, and breast naked ; sometimes a few scales on cheek. Fins very 

 high ; caudal very much rounded ; ventrals reaching anal ; pectorals still 

 longer. In the males the dorsal is extremely high, the membranes largely 

 black, the rays spotted with white ; seven dark cross blotches on back*; 

 8 faint dark marks on side, the intervening spaces metallic green in 

 life ; a small spot at base of caudal ; caudal with white specks. Length 

 2| inches. Maryland to North Carolina, (effulgens, brilliant.) 



Arlina effulgens, GIRARD, Proc. Ac. Nat. Sci. Phila., 1859, 64, brooks and streams flowing 



into the Potomac River; VAILLANT, Kecherches, 142, 1873. 

 Boleosoma effulgens, JORDAN & GILBERT, Synopsis, 493, 1883. 



Represented in streams of Virginia by 



1446C. BOLEOSOMA NIGRUM VEXILLARE (Jordan). 



Head 4; depth 4. D. VIII or IX-10 to 12; A. I, 7 ; scales 4-35 to 

 47-6. Body rather short and stout ; caudal peduncle not contracted ; 

 opercular spine moderately developed ; space in front of dorsal fin naked ; 

 muzzle moderately decurved ; eye moderate. Second dorsal very high, 

 higher than long; pectorals and ventrals long, nearly reaching anal. 

 Coloration olivaceous, the sides with traces of vertical bars ; first dorsal, 

 ventrals, and anal black ; second dorsal and caudal strongly barred with 

 pale in fine pattern ; head black in the male ; lateral line complete. Fins 

 shorter than in olmstedi, the scales larger ; the form joined to both nigrum 

 and olmstedi by series of variations. Length 3 inches. Tributaries of the 

 James, Roanoke, and Rappahannock rivers ; common, (vexillaris, carry- 

 ing a standard, from the high fins.) 



Boleosoma vexillare, JORDAN, Proc. U. S. Nat. Mus., 1879, 235, Rappahannock River, War- 

 renton, Virginia; a very extreme specimen with D. VIII-10; A. I, 7; scales 4-35-6; (Coll. 

 Charles Hallock); JORDAN & GILBERT, Synopsis, 493, 1883. 



Etheostoma nigrum vexittare, JORDAN, Bull. U. S. Fish Comm., VIII, 1888 (1890), 112 and 124. 



Represented southeastward by 



1446d. BOLEOSOMA NIGRUM MACIJLATICEPS (Cope). 



Head 4; depth 6| ; eye 3f in head. D. IX-13; A. II, 8 ; scales 5-41-10. 

 Fins large ; opercular spine moderate ; cheeks naked. Pale yellowish, 

 with ill-defined series of dorsal .and lateral spots and many speckles 

 between ; top of head, nape, and muzzle marked with large brown spots ; 

 all the fins black, barred. Common in the upper waters of the Catawba 

 River, North Carolina. (Cope.) (maculatus, spotted; ceps, head.) 

 Boleosoma maculaticeps, COPE, Proc. Am. Philos. Soc., 1870, 269, Upper waters of the Catawba 

 River, North Carolina. 



