368 MR C. TATE REGAN ON THE 



2. Pagetopsis, gen. nov. 



Body naked, moderately elongate; two lateral lines, without bony plates. Eye 

 behind middle of length of head ; an antrorse curved spine near end of snout. Teeth 

 in jaws small, sharp, biserial ; lower jaw slightly projecting ; gill-rakers vestigial or 

 absent. Spinous dorsal fin well developed, its base more than \ that of the soft 

 dorsal ; pelvics rather long, the rays bifid or slightly branched. 

 Coasts of the Antarctic Continent. 



Pagetopsis macropterus. 



Champsocephalus macropterus, Bouleng., Nat. Antarctic Exped. Nat. Hist., ii., Fish., p. 3, pi. i. ; 

 Pappenheim, Deutsche Sudpolar- Exped , xiii., Zool., v. p. 174 (1912). 



Depth of body 4 to 5 in the length, length of head 2f to 2f . Snout nearly | the 

 length of head. Diameter of eye 5 in the length of head, interorbital width 4. 

 Maxillary extending to below anterior ^ of eye. 3 or 4 opercular spines, the upper- 

 most with an antrorse hook. Dorsal XII-XV, 28-31. Anal 25-27. Pectoral f, 

 pelvics f the length of head. Dark spots and vermiculations on head ; irregular 

 double cross-bars on body. 



Victoria Land ; Wilhelm Land. 



Here described from the types, 160 to 250 mm. in total length, from the stomach 

 of a seal near Cape Armitage, Ross Island. 



3. Chsenichihys, Richards., 1844. 



"Erebus" and "Terror" Fish., p. 12; Gunth., Cat. Fish., ii. p. 249 (1860). 



Differs from Champsocephalus in having a spine on the snout, the teeth in 

 broader bands, and in the bony plates of the lateral line. Dorsal fins separated by an 

 interspace. Gill-rakers short, dentigerous. 

 Kerguelen. 



(l) Clisenichihys rhinoceratus. 



Richards., i.e., p. 13, pi. vi. ; Gunth., Cat. Fish., ii. p. 249 (1860); Pappenheim, Deutsche 

 Siidpolar-Exped., xiii., Zool., v. p. 193. 



Depth of body 6 in the length, length of head 2f. Snout nearly \ the length 

 of head. Diameter of eye 5J to 6^ in the length of head, interorbital width 5 to 5. 

 Maxillary extending beyond middle of eye (adult). Head moderately rugose ; supra- 

 orbital edges slightly raised. Dorsal VII, 33-34. Anal 30-33. Second and third 

 rays of spinous dorsal longest, thence decreasing rapidly. 79 to 84 plates in upper 

 lateral line ; a few plates on middle of side. Brownish, with darker spots and 

 reticulations. 



Description from the type, a specimen of 450 mm. and a second example of 

 175 mm., from Kerguelen. 



(BOY. soc. EDIN. TRANS., VOL. XLIX., 286.) 



