CHAENICHTHYIDAE 71 



Pagetopsis macropterus (Boulenger). 



Champsocephalus macropterus, Boulenger, 1907, Nat. Antarct. Exped. Nat. Hist., 11, Fish., 

 p. 3, pi. ii; Pappenheim, 1912, Deutsche SiidpoL-Exped., xiii, Zool. v, p. 174; Roule, Angel 

 and Despa.x, 1913, Deux. Exped. Antarct. Frang. (1908-1910), Poiss., p. 13. 

 Pagetopsis macropterus, Regan, 1913, t.c, p. 286; 1914, Rep. Brit. Antarct. ('Terra Nova') 

 Exped. 1910, Zool. I (i), p. 11; Waite, 1916, Austral. Antarct. Exped. Sci. Rep., Ser. C, 

 III (i), Fishes, p. 37, fig. 8; Norman, 1937, t.c, p. 76. 

 St. 1660. 27. i. 36. 74° 46-4' S, 178° 23-4' E. Large otter trawl, 351m.: 3 specimens, 185- 

 235 mm. 



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

 of head; diameter of eye about 5, interorbital width 4 to more than 4! in length of 

 head. Maxillary extending to below anterior | or | of eye. Dorsal (IX) XII-XV, (26) 

 27-31. Anal 24-27. Pectoral with 22 or 23 rays, | to f length of head, extending to 

 above vent or origin of anal ; pelvics a little longer, reaching vent or not quite as far. 

 Caudal subtruncate or a little rounded. Dark spots and vermiculations on head; 

 irregular double cross-bars on body; spinous dorsal more or less blackish, the spines 

 tipped with white; soft dorsal dusky; anal and caudal mostly pale; pectorals pale; 

 pelvics blackish. 



Fig. 44. Pagetopsis macropterus. x J. 



Hab. Graham Land ; Enderby Land ; Mac-Robertson Land ; Wilhelm Land ; Queen 

 Mary Land ; Adelie Land ; South Victoria Land. 



This species was originally described from 1 1 specimens, 65 to 240 mm. long, 

 obtained from the stomach of a Weddell Seal near Cape Armitage, Ross Island: of 

 these, 6 examples (160 to 250 mm.) are in the collection of the British Museum. 



Genus PSEUDOCHAENICHTHYS 



Pseudochaenichthys, Norman, 1937, Ann. Mag. Nat. Hist., (10) xx, p. 476. Type Pseudochae- 

 nichthys georgianus, Norman. 



Body naked, moderately elongate; three lateral lines, without bony plates. An 

 antrorse curved rostral spine ; eye a little behind middle of length of head. Jaws with 

 bands of small, curved, sharp teeth; lower jaw projecting; gill-rakers very short, knob- 



