BATHYDRACONIDAE 



67 



St. 142. 30. xii. 26. East Cumberland Bay, South Georgia. Large otter trawl, 88-27301.: 

 3 specimens, 137-185 mm. 



St. 149. 10. i. 27. Mouth of East Cumberland Bay, South Georgia. Large otter trawl, 200- 

 234 m.: 2 specimens, 123, 145 mm. 



Fig. 41. Psilodraco breviceps. Holotype. x J. 



Depth of body 4! to 5I in the length, length of head about 3. Snout about as long 

 as eye, diameter of which is 3 to nearly 4 in length of head ; interorbital width 8. Lower 

 jaw projecting; maxillary extending to below anterior | or middle of eye. Upper 

 lateral line extending to below last rays of dorsal or not as far; middle lateral line 

 extending forward to level of middle or posterior part of pectoral ; lower lateral line of 

 varying length, running parallel with the base of the anal fin. Dorsal 27-30. Anal 

 27-29. Pectoral with 25 to 27 rays, nearly as long as head, extending to above anterior 

 part of anal ; pelvics much shorter, not reaching vent. Brownish above, more or less 

 silvery on sides and beneath, without any definite markings, but with the silvery parts 

 speckled with close-set dark dots; distal part of snout and tip of lower jaw usually 

 darker ; fins usually all pale, the caudal and occasionally the other fins sometimes a little 

 dusky. 



Hab. South Georgia. 



Genus GYMNODRACO 



Gymnodraco, Boulenger, 1902, Rep. Coll. Nat. Hist. 'Southern Cross', p. 186; Regan, 1913, 

 t.c, p. 283. 



Related to Psilodraco, but with the body depressed anteriorly, compressed posteriorly. 

 Two lateral lines. Head depressed; snout produced, pointed; mouth non-protractile; 

 jaws with curved compressed teeth, close-set in a single series and with large anterior 

 canines, those of the mandible exposed in front of the snout. Operculum with a strong 

 spine with a hooked branch; suboperculum with a short spine. Vertebrae 48 (20 + 28). 



A single species. 



Coasts of the Antarctic Continent. 



Gymnodraco acuticeps, Boulenger. 



Gymnodraco acuticeps, Boulenger, 1902, t.c, p. 186, pi. xvii; Pappenheim, 1912, Deutsche 

 Siidpol.-Exped., xni, Zool. v, p. 176, pi. ix, fig. 4; Regan, 1913, t.c, p. 284. 



Depth of body 8 in the length, length of head about 3. Snout as long as postorbital 

 part of head ; diameter of eye 5 to 6 in length of head, interorbital width 6 to 7. Lower 



9-2 



