830 CONTRIBUTIONS TO NOR'ni AMERICAN ICHTHYOLOGY — IV. 
mis, the longest rays 1| length of the head; dorsal fin beginning oppo- 
site or slightly below the premaxillary, about five rays being on the 
blind side. Head 4; depth D. 65-72; A. 45-48. Coast of Cali- 
fornia; not rare. 
(Jordan & Gilbert, Proc. U. S. Nat. Mas. 1880, 49.) 
bb. Iiiterorbital ridge without distinct spine. 
I2'?9. P. ccEiaoSMS Girard. 
Color light broAvn, blotched with chocolate color and j^ellowish, some- 
times nearly plain, but usually profusely mottled; sometimes with ocel- 
lated blotches, sometimes with the light colors replaced by purplish red. 
Interorbital ridge prominent, but without spine or conspicuous tuber- 
cles, the tubercles of the other species being represented by slight 
elevations. Vertical fins very high, the longest rays of dorsal and 
anal two-thirds the length of the head. A narrow band of teeth on 
the colored side of the lower jaw. Dorsal fin beginning on the level 
of the iiremaxillary, its first five rays on the blind side; caudal longer 
than head. Head 4| ; depth If. D. 68 ; A. 48-50. San Diego to 
Alaska, not generally, common, but widely distributed; usually in 
deep water. 
(Girard, Proc. Acad. Nat. Sci. Phila. IS.jd, 139: Parophrys ccenosus Giiuther, iv, 456.) 
457.— HYPSOPSKTTA Gill. 
(Gill, Proc. Acad. Nat. Sci. Phila. 1864, 195: type Pleuronichthys giittnlatus Grd.) 
Eyes and color on the right side. Body broad, ovate, rhomboid; 
mouth very small ; teeth slender, equal, acute, in several series; lips 
thick, not plicate. Lateral line nearly straight, with an accessory 
dorsal branch. Scales small, smooth. Dorsal fin beginning on the 
dorsal ridge, not turned to the blind side; anal spine present; caudal 
fill convex. Gill-rakers little developed. (Oi/'q deep; ipe-Ta, flounder.) 
1289. H, gestfaiSata (Grd.) Gill. — Diamond Flounder; “ Turbot.” 
Brown, with numerous iiale-bluish blotches in life, these disappearing 
in spirits; blind side white, with a strong tinge of yellow along profile 
of head ; fins plain, sometimes with black specks. Body very deep, 
somewhat angulated near middle of back and belly; eyes moderate, 
separated by a flattish, raised area; head without spines or tuber- 
cles ; scales of oiierciilar region little developed ; those of blind side 
reduced; no teeth on right side of either jaw. Accessory lateral line 
long, half length of body. Anal spine small ; pectorals about half 
Icugih of head; ventrals rather short; caudal peduncle much deeper 
