ANTARCTIC FISHES OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 279 



4. Dissostichus, Sraitt, 1898. 

 Bih. Svensk. Vet.-Akad. Handl., xxiv., iv., No. 5, p. 1. 

 Differs from Notothenia in that the teeth are uniserial, spaced, canine-like. 

 Patagonia to Graham Land. 



Dissostichus eleginoides. 

 Smitt, i.e., p. 2, pi. i. figs. 1-11 ; Vaiilant, Exped. Antard. Fran<;aise, Poiss., p. 36. 



Depth of body about 6 in the length, length of head 3. Diameter of eye about 

 5 in the length of head, interorbital width about 4-|^ (? 5^). Maxillary extending to 

 below middle of eye ; upper surface of head to nostrils, cheeks and opercles scaly. 

 Dorsal IX-X, 27-28. Anal 28-30. Pectoral | the length of head. Caudal truncate 

 or slightly emarginate. Caudal peduncle much longer than deep. About 124 scales 

 in a longitudinal series ; upper lateral line extending back beyond dorsal, lower extend- 

 ing forward nearly to the pectoral. 



Total length of the type, 228 mm. 



Magellan Straits ; Graham Land, 



5. Eleginoj)S, Gill, 1861. 



Proc. Acad. Philad., 1861, p. 522. 



Eleginus (non Fischer), Cuv. and Val., Hist. Nat. Poiss., v. p. 158 (1830); Giinth., Cat. Fish., 

 ii. p. 247 (1860). 



This genus differs from Notothenia in the rather small mouth, in the complete 

 absence of the lower lateral line, and in the shape of the pectoral fin, 

 Chile ; Patagonia ; Falkland Islands. 



Eleginops maclovinus. 



Eleginus maclovinus, Cuv. and Val., I.e. ; Giinth., I.e. 



„ chilensis, Cuv. and Val., o.c., ix. p. 480 (1833); Giinth., I.e. 

 Aphritis undulatus, Jenyns, Zool. ''Beagle," Fish., p. 160, pi. xxix. fig. 1 ; Giinth., t.c, p. 243. 



,, porosus, Jenyns, I.e., p. 162; Giinth., I.e. 

 Eleginus falklandicus, Richards., "Erebus" and "Terror" Fish., p. 30, pi. xx. figs. 1-3 (1845). 



Depth of body i^ to 5|- in the length, length of head S^ to 4. Diameter of eye 

 5 to 8 in the length of head, interorbital width 3 to 5. Maxillary just reaching 

 vertical from anterior margin of eye in the young, but not in the adult ; occiput, inter- 

 orbital region, cheeks, and opercles scaly ; 14 or 15 gill-rakers on lower part of anterior 

 arch. Dorsal VIII-JX, 24-26. Anal 22-24. Pectoral obliquely truncated, with the 

 upper rays longest, nearly as long as head. Caudal truncate or emarginate. About 

 60 scales in a lateral longitudinal series, and 65 in the lateral line, which nearly reaches 

 the caudal fin. Body often spotted or marbled. 



Chile ; Patagonia ; Falkland Islands. 



Here described from several specimens, 120 to 450 mm. in total length. 



