NOTOTHENIIDAE 31 



23 rays, | to | length of head, longer than pelvics, which rarely reach the vent. Caudal 

 rounded or subtruncate ; caudal peduncle as long as deep or deeper than long. Yellowish, 

 with dark spots or irregular cross-bars; dorsal and caudal sometimes with series of 

 spots. 



Hab. Graham Land ; South Orkneys ; Wilhelm Land ; South Victoria Land. 



The types of the species, 120 to 275 mm. in total length, are from Cape Adare and 

 from Duke of York Island, near Cape Adare. The species is known only from shallow 

 water. 



The British Graham Land Expedition obtained 2 specimens (108 and 130 mm.) at 

 the surface, and 7 specimens (c. 80 to 135 mm.) from stomachs of Pygoscelis, from 

 approximately 65° S, 65° W. 



Trematomus brachysoma, Pappenheim. 



Trematomus brachysoma, Pappenheim, 1912, Deutsche SildpoL-Exped., xni, Zool. V, p. 172; 

 Regan, 1913, t.c, p. 261; Regan, 1914, Rep. Brit. Antarct. {'Terra Nova') Exped. 1910, 

 Zool. I (i), pp. 2, 3, pi. ii, fig. 3. 



Depth of body 4^^ to 4I in the length, length of head 3 to 3I. Snout about as long 

 as eye, diameter of which is 3! to a little more than 4 in length of head; interorbital 

 width 4 to 5|. Jaws equal anteriorly; maxillary extending to below anterior part or 

 middle of eye ; upper surface of head naked ; upper parts of cheeks and opercles scaly ; 

 15 to 19 gill-rakers on lower part of anterior arch. Scales on body cycloid or feebly 

 ctenoid; 55 to 60 in a longitudinal series from above base of pectoral to base of caudal; 

 lateral lines without or with only a few tubular scales. Dorsal IV-V, 30-33. Anal 26-30. 

 Pectoral with 23 or 24 rays, about | length of head, much longer than pelvics, which 

 reach the vent or not quite as far. Caudal rounded ; caudal peduncle a little deeper than 

 long. Yellowish brown, with a series of 6 dark spots on back below the dorsal fins, and 

 5 below them at level of base of pectoral ; a round black spot on spinous dorsal ; soft 

 dorsal, caudal and sometimes the anal with series of small round dark spots forming 

 irregular bars. 



Fig. 17. Trematomus brachysoma. x 



Hab. Wilhelm Land ; South Victoria Land. 



The above description is based upon a co-type of the species, 126 mm. in total 

 length, taken at the surface at the Winter Quarters of the ' Gauss ' ; and another example, 



