2104 Bulletin //, United States National Museum. 



2440. CYCLOPTERICHTHYS VENTRICOSUS (Pallas). 



Head 2f ; depth 3*. D. 9 ; A. 7 (8 or 9 Pallas) ; P. 20 ; C. 11. Body stout, 

 thick, short, smooth, abruptly compressed behind the body cavity. Caudal 

 portion nearly f of the total length. Head about \ of the length without 

 the caudal, broad, depressed but convex on the crown, blunt and broadly 

 rounded on the snout. Mouth wide, anterior, opening slightly upward, 

 its corner before the middle of the eye. Teeth small, simple, in 2 series 

 in front, and but 1 toward the sides. Pallas says of the dentition : " Max- 

 illarum margines ossei, denticulis minutis, curvulis, obtusiusculis, ionor- 

 dinatis et intequalibus, passim geminatis asperi; quorum in superiore 

 maxilla interiores majores." Eye lateral, its diameter contained 7 times 

 in the length of the head. Gill slit 4 in head. Dorsal short, behind the 

 abdominal chamber, its upper extremity extending behind a vertical from 

 the base of the caudal, margin rounded ; anal smaller than the dorsal and 

 opposed to it, though originating a trifle farther back ; caudal subtruncate, 

 rounded. Vent almost directly in the middle of the total length. Disk 

 subcircular, with a broad cutaneous margin, \\ in head. Brownish, with 

 numerous scattered, small, rounded spots of darker ; our specimens plain 

 blackish olive. Bering Sea; Sea of Okhotsk (Steindachner); our speci- 

 mens from St. Paul Island, Pribilof Group ; also found at Petropaulski ; 

 occasionally taken in abundance, (ventricosus, large-bellied. ) 



Cyclopterus ventricosus, PALLAS, Spicilegia, Zool., VII, 15, t. 2, 1769, Kamchatka. 

 Cyclopterichthys glaber, STEINDACHNER, Ichth. Beitriige, x, 14, pi. 8, 1881, Sea of Okhotsk. 

 Cotylis ventricosus, GUNTHER, Cat., m, 498, 1861. 



Cyclopterichthys ventricosus, JORDAN & GILBERT, Synopsis, 745, 1883 ; GARMAN, Discoboli, 

 41, 1892. 



783. LIPAROPS, Garman. 

 Liparops, GARMAN, Discoboli, iii Mem. Mus. Comp. Zool., 42, 1892 (stclleri). 



A little-known genus, apparently closely allied to Cyclopterichtkys, but 

 distinguished by the elongate dorsal, the tubercles, and the dentition. 

 One species known. (Liparisj (&ip, appearance.) 



2441. LIPAROPS STELLEBI (Pallas). 



Body oval, smooth, the chest in the middle, the depth 4 inches ; a single 

 series of osseous tubercles along the middle of the back to the origin of 

 the dorsal fin; lower jaw longest; teeth slender, blunt, unequal; eyes 

 small, high ; gill opening reduced to a round foramen ; opercle large. Disk 

 between pectoral fins. Dorsal fin commencing on the middle of the back 

 and extending to near the base of caudal ; anal ending opposite dorsal ; 

 anal slender. Petropaulski, Kamchatka, where it is rare (Pallas) ; not 

 seen by any recent collector. (Named for Georg Wilhelm Steller, naturalist 

 and explorer.) 



Cyclopterus stelleri, PALLAS, Zoogr. Rosso-Asiat., in, 73, 1811, Kamchatka, Harbor of 



Peter-and-Paul; described from manuscripts of STELLER. 

 Cotylis stelleri, G^NTHER, Cat., in, 499, 1861. 



Gyclopterichthys stelleri, JORDAN & GILBERT, Synopsis, 745, 1883. 

 Liparops stelleri, GARMAN, Discoboli, 42, 1892. 



