48 



DISCOVERY REPORTS 



Genus DOLLOIDRACO 



Dolloidraco, Roule, 1913, Bull. Mus. Paris, 1913, No. i, p. 5; Roule, Angel and Despax, 1913, 

 Deux. Exped. Antarct. Fraiif. (1908-1910), Poiss., p. 15. Type Dolloidraco longedorsalis, 

 Roule. 

 Differs from Artedidraco in having the spinous dorsal fin placed above the oper- 

 culum. 



A single species. 



Coasts of the Antarctic Continent. 



Dolloidraco longedorsalis, Roule. 



Dolloidraco longedorsalis, Roule, 1913, Bull. Mus. Paris, 1913, No. i, p. 6; Roule, Angel and 

 Despax, 1913, t.c, p. 16, pi. iv, figs. 1-3; Waite, 1916, Austral. Antarct. Exped. Sci. Rep., 

 Sen C, III (i), Fishes, p. 24, pi. i, fig. 2, text-fig. 3. 

 Dolloidraco longidorsalis, Regan, 1914, Rep. Brit. Antarct. {'Terra Nova') E.xped. 1910, Zool. i 

 (i), p. 28. 

 St. 1644. 16. i. 36. Bay of Whales (78° 24-85' S, 164'' 10-3' W). Russell Bottom Net, 626 m.: 

 I female specimen, 115 mm. 



Depth of body about 5 in the length, length of head 2| to 2|. Diameter of eye ai 

 to 2| in length of head ; interorbital space very narrow. Maxillary extending to below 

 anterior margin of pupil or beyond ; barbel about as long as diameter of eye, simple 

 (females?) or with a terminal expansion (males ?); 6 small, knob-like gill-rakers on 

 lower part of anterior arch. Dorsal III 22-25. Anal 14-15. Last rays of dorsal and 

 anal well separated from base of caudal. Pectoral with 16 or 17 rays, about | length of 

 head, extending to above anterior part of anal; pelvics shorter, just reaching vent. 

 Caudal subtruncate or a little rounded. Yellowish-brown, becoming darker on hinder 

 part of body; a dark patch on cheek below eye, and a dusky vertical bar across the 

 operculum; spinous dorsal dusky; soft dorsal mainly dusky; anal black in its basal 

 half, white distally ; caudal white, with an incomplete oblique black bar across the base 

 and a broader and more distinct oblique bar across its distal portion, the two being 

 connected by black spots along the upper edge of the fin; pectorals with indistinct 

 darker cross-bars, the lower rays more or less blackish ; pelvics dusky in their basal 

 parts. 



Fig. 28. Dolloidraco longedorsalis. x 



Hab. Graham Land ; Queen Mary Land ; South Victoria Land. 

 This species was originally described from 6 specimens, 72 to 89 mm. in length 

 without the caudal fin, of which one is now in the British Museum collection, all from 



