BATHYDRACONIDAE 



55 



B. 19 to 22 gill-rakers on lower part of anterior arch; lateral line ending at some distance 



from caudal; a small patch of scales on upper part of operculum ... ... 4. scotiae. 



II. Depth 7 J in length; eye 3^ in head; dorsal 27, anal 22; sides of head naked; 17 gill-rakers 



on lower part of anterior arch .. . ... ... ... ... ... ... 5. nudiceps. 



Bathydraco antarcticus, Giinther. 



Bathydraco antarcticus, Giinther, 1878, Ann. Mag. Nat. Hist., (5) 11, p. 18; 1887, Deep-Sea Fish. 

 'Challenger", p. 47, pi. viii, fig. A; Regan, 1913, Trans. R. Soc. Edinburgh, XLix, p. 282. 



Depth of body 9 in the length, length of head 3. Snout i^ as long as eye, diameter 

 of which is 4 in length of head ; interorbital width 20. Lower jaw projecting; maxillary 

 extending to vertical from anterior margin of eye ; cheek completely scaled ; only the 

 upper half of the operculum scaly; 16 gill-rakers on lower part of anterior arch. About 

 140 scales in a lateral longitudinal series, about 60 in the lateral line, which is com- 

 plete. Dorsal 36. Anal 31. Pectoral with 22 rays, truncated, as long as head without 

 snout, extending to above origin of anal; pelvics much shorter, not nearly reaching 

 vent. Caudal subtruncate. Pale brownish, the lower parts somewhat darker; caudal, 

 anal, pelvics and lower parts of pectorals dusky. 



Hab. South-east of Heard Island, 2300 metres. 



Known only from the type of the species, 260 mm. in total length. 



Bathydraco marri, sp.n. 



St. 1658. 26.1.36. 76" 09-6' S, 168° 40' E. Rectangular dredge, with Russell net, 520 m.: 

 I specimen, 112 mm. Holotype. 



Fig. 33. Bathydraco marri. Holotype. x i|. 



Depth of body about 9 in the length, length of head 3I. Snout slightly longer than 

 eye, diameter of which is 3I in length of head ; interorbital width about 12. Lower jaw 

 a little projecting ; maxillary not reaching vertical from anterior margin of eye ; cheek 

 naked below the suborbitals, but a large patch of scales on the praeoperculum and 

 operculum; 11 gill-rakers on lower part of anterior arch. About 125 scales in a lateral 

 longitudinal series, about 55 in the lateral line, which is complete. Dorsal 36. Anal 

 29. Pectoral with 22 rays, as long as head without snout, extending to a little beyond 

 origin of anal; pelvics shorter, not reaching vent. Caudal a little rounded (.?). Pale 



