THE FISHES OP BERING SEA. 491 



the lateral liue descends in a gentle curve to middle of sides. The scales are very 

 rough, each possessing several long, sharii spines diverging from median portion of 

 posterior margin. Anterior and posterior portions of dorsal and anal fins naked, the 

 rays of the middle portion each with a series of strongly ctenoid scales. Caudal 

 densely scaled to tip. Pectorals and ventrals nak«d. Head covered with strongly 

 spinous scales, excepting snout, maxillary, and mandible. On blind side of head the 

 snout, jaws, preopercle, subopercle, lower half of opercle, and all but a central strip 

 on interopercle, scaleless. On blind side the scales are rough on head, ventral area, 

 and along bases of ventral fins ; largely smooth elsewhere. 



Dorsal beginning above front of pupil, the rays increasing in length to the forty- 

 fifth, which is 2f in head. Longest anal ray (the seventeenth), 2} in head. Caudal 

 broadly rounded, If in head. Pectoral short and broad, 2f in head. Ventrals of 

 nearly equal length, reaching origin of anal, 3^ in head. No anal spine. 



Color in spirits : Centers of the scales light gray, the margins dark brown. Fins 

 light or dusky, the vertical fins with conspicuous black bars parallel with the rays. 

 These are most evident on the under side, where the pigment seems to principally 

 occur, and are seen through the fin more faintly on the colored side. Lining of cheeks 

 and gill cover of colored side dusky. Peritoneum gray. The species is named for 

 Jefterson F. Moser, U.S.N., commander of the Albatross. 



Verasper variegatus (Schlegel), of the same genus, is closely related to V. moseri, 

 from which it differs chiefly in the much lower and smaller arch of the lateral line. 

 The fins in this species are spotted 'with black, but not barred. 



221. Lepidopsetta bilineata (Ayres). 



Abundant everywhere in Bering Sea. Our specimens from St. Paul Island; 

 station 3637, off St. George, 32 fathoms; Unalaska; Bering Island; Medni Island. Dr. 

 Gilbert records the species from CTnalaska, Herendeen Bay, Hagemeister Island, and 

 from various localities about the peninsula of Alaska. 



222. Limanda aspera (Pallas). 



Common; taken by us at Petropaulski, Avatcha Bay, Kamchatka; stations 3646 

 and 3647, off Eobben Reef, in 18 and 20 fathoms. Recorded by Dr. Gilbert from Bristol 

 Bay Herendeen Bay^ and many other stations. Dr. Bean mentions it from Sitka, 

 Kadiak, Shumagins, Port Clarence, Plover Bay, and Indian Point. 



223. Limanda proboscidea Gilbert. 



Described from Bristol Bay and Herendeen Bay. 



224. Pleuroneotes quadrituberculatus (Pallas). 



Station 3642, Avatcha Bay, 16 fathoms. Station 3647, off Robben Reef, 20 fath- 

 oms. Recorded by Dr. Gilbert from Oheruofski Harbor, Herendeen Bay, and Bristol 

 Bay, by Dr. Bean from Kadiak, and by Mr. Scofleld from Chigink and Port Clarence. 



This species is a true Pleuronectes, having the lower pharyngeals narrow, separate, 

 with two rows of bluntish teeth. It is an ally of Pleuronectes platessa. 



225. Iiiopsetta glacialis (Pallas). 



Petropaulski. Recorded by Dr. Gilbert from Bristol Bay, by Dr. Bean from 

 Kotzebue Sound, and by Mr. Scofleld from Port Clarence. 



