726 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
383.— BRACIIYOPSIS Gill. 
Leptagonus Gill.) 
(Gill, Proc. Acad. Nat. Sci. Phila. 1861, 259: type Agoniis roatratus Tilesius.) 
Body elongate, fusiform, low, covered with spinous plates. Head de- 
pressed, spinous; mouth comparatively large, very oblique, the lower 
jaw projecting; jaws, vomer, and palatines with small teeth; gill-mem- 
branes united, free from the isthmus; barbels few; spinous dorsal well 
developed; ventral rays I, 2. {iSpa/u^, short; face.) 
1112. B. rostrafus (Tilesius) Gill. 
Body more fusiform than in other species of this genus, very robust 
in front of the middle, tapering to the slender tail. Head triangular 
and pointed, as seen from above, the mouth quite narrow ; eyes small, 
well forward; head considerably depressed, snout without spine; a 
short dap at angle of mouth; scales not very rough; gill-membranes 
free frojn the isthmus; ventrals quite short; breast with a median row 
of large raised convex plates; a row of similar plates bordering the 
edge of the gill-opening, the three series forming a /j\-shaped ligure, 
the interstices filled with very small plates. “D. VllI-8; A. 13”; Lat. 
1. 3(3. L. 8 inches. Alaska and Kamtschatka; here described from 
specimens lately obtained by Dr. Bean. 
(Agonus rostratna Tiles. M6m. Acad. Petersb. iv, pi. 14: Phalangiatea f usiformia Pallsia, 
Zoogr. Ross.-Asiat. iii, 116: Agonua roatratua Giiuther, ii, 214.) 
1113. B. verrucosus Lockington. 
Olivaceous, banded with darker; pectorals whitish at base, with a 
dark spot above and below; terminal portion dark; ventrals bright 
orange-yellow with a large black spot inside of the first ray, and two 
small spots near the tip in S , the fin plain in 9 . Body elongate, de- 
pressed; mandible narrow, not one-fourth as deep as long; maxillary 
reaching slightly beyond front of eje, with a short barbel at tip; length 
of barbel ^ that of eye; ridges on head all rough; supraocular ridges 
serrate; occipital and iiostorbital ridges without spines; preorbital with 
about six spines ; suborbital stay with two ; preopercle with two spines 
near its angle; opercle without spines; membrane of mandible with 
small stellate tubercles; palates on body rough, each with a keel termi- 
nating in a strong spine; the dorsal plates with small prickles also; 
breast and base of pectoral tin with large, striate, wart-like tubercles; 
plates of ventral series tubercular anteriorly ; upper lateral series of 
