818 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY — IV. 
1259. C. arctifi’ons Goode, 
Light brown. Body comparatively elongate. Scales cycloid, de- 
cidnons. Lateral line sharply defined, straight. Eye 4 in head; inter- 
orbital space very narrow, its width 4 in snout; maxillary in head. 
Dorsal fin beginning abov'e front of upper eye, its greatest height 
more than half the length of the head; anal beginning below axil of 
pectoral; candal triangular, subsessile, as long as head; rays of ver- 
tical fins all nincli exserted; pectorals inserted very low, that of the 
colored side being twice the length of the other. Head 4; depth 2^. 
D. 83; A. 07; P. 10 (left), 7 (right); Lat. 1. 40. L. 6 inches. Gulf 
Stream, off the coast of Khode Island; abundant. {Goode.) 
(Goode, Proc. U. S. Nat. Mus. 1880, 341.) 
1200. C. laaBicornis Goode. 
Ashy gray, with dark lateral line; eyes black. Body comparatively 
deep, its greatest height over the pectorals. Scales thin, deciduous. 
Eye 3 in head, equal to snout, and more than twice the iuterorbital 
s])ace, which has a strong ridge; maxillary less than half length of 
head; teeth minute, close- set, in a single series, stronger on the blind 
side. A strong, sharp spine on the snout at the anterior termination 
of the ridge at lower margin of upper eye. Highest rays of dorsal 
half length of head; caudal pointed, triangular, subsessile; pectoral 
of left side twice as long as the eye, not half longer than right pec- 
toral. Head 4; depth 2. D. 74; A. CO; P. 4 (right), 10 (left); Lat. 1. 
40. L, 3 inches. Gulf Stream, off the coast of Bhode Island. {Goode.) 
(Goode, Proc. U. S. Nat. Mus. 1880, 342.) 
451.— HIPPOGLOSSUS Cuvier. 
Halibut. 
(Cuvier, R^gne Auini. ii, 1817: type PJeuronectes Mppof/lossus L.) 
Eyes and color on the right side. Form oblong, not strongly com- 
pressed. IVIouth wide, oblique; teeth in the upper jaw in two series, 
those below in one; anterior teeth in upper jaw, and lateral teeth in 
lower, strong; no teeth on vomer or palatines; lower pharyngeal teeth 
in two rows. Dorsal fin beginning above the eye, its middle rays ele- 
vated, the posterior rays of dorsal and anal bifid; candal fin lunate; 
ventral fins both lateral. Scales very small, cycloid; lateral line with 
a strong curve in front. Gill-rakers few, short, compressed, wide-set. 
Vertebrse 16 + 34. Largest of the flounders; the single species abound- 
