ANTARCTIC FISHES OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 261 



(4) Trematomus hrachysoma. 

 Pappenheim, Deutsche Siid'polar-Exped., xiii., Zool., v. p. 172 (1912). 



Depth of body i^^ to 4|- in the length, length of head 3 to 3f . Diameter of eye 

 32 to 3| in the length of head, interorbital width 4 to 5^. Maxillary extending to , 

 below anterior part or middle of eye ; upper surface of head naked ; upper parts of 

 cheeks and opercles scaly ; 16 to 19 gill-rakers on lower part of anterior arch. Dorsal 

 IV-V, 30-33. Anal 26-30. Caudal rounded. Caudal peduncle a little deeper than 

 long. 65 to 75 scales in a longitudinal series. Yellowish brown ; head and back dark ; 

 a series of 6 dark spots from operculum to caudal, and 5 below them at level of base of 

 pectoral ; a dark spot at tip of spinous dorsal ; soft dorsal with irregular dark cross-bars. 



Wilhelm Land. 



Total length 93 to 166 mm. 



(5) Trematomus vicarius. 



Trematomus bernacchii subsp. vicarius, Lonnberg, Swedish South Polar Exped., Fish., p. 26 (1905). 

 1 Notothenia duhia, Lonnberg, i.e., p. 28, pi. iii. fig. 9. 



Depth of body 3^ in the length, length of head 3^. Diameter of eye 4|- in length 

 of head, interorbital width about 5. Maxillary extending to below anterior ^ of eye ; 



Fio. 6. — Head seen from above of A, Trematomus bernacchii, and B, T. mcarius. 



cheeks, opercles, and occiput scaly ; anterior part of interorbital region scaly in the 

 middle; about 12 gill-rakers on lower part of anterior arch. Dorsal V, 33. Anal 31. 

 Pectorals f , pelvics f the length of head. Caudal rounded. Caudal peduncle much 

 deeper than long. 56 to 59 scales in a longitudinal series, 34 in upper lateral line ; 

 lower lateral line without tubules. 



South Georo;ia. 



LoNNB erg's description is based on a single specimen, 240 mm. in length to base of 

 caudal fin. 



Dr Lonnberg has kindly sent me a sketch of the upper surface of the head of the 

 type, which is here reproduced, together with a figure of the head of a specimen of 



TRANS. ROY. SOC. EDIN., VOL. XLIX. PART II. (NO. 2). 34 



