352 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



7 to 7y2, 4 to 5 in snout, 3 to 314 in interorbital ; dentary width 31^4 

 to 4 in head; teeth in 13 or 14 rows in jaws, small, rhomboid, flat- 

 tened; nostrils rather large, nasoral continuous with mouth, inter- 

 narial greater than mouth width or 3 to 4 in head; interorbital 2 to 

 2%, level. Gill openings small, nearly equidistant. Spiracle small, 

 close behind eye, subequal with eye. 



Skin smooth; soft. 



Dorsal length 11^4 to 1% in head, rounded lobe ; caudal 31/2 to 4 in 

 rest of body length, lobes subequal ; least depth of caudal peduncle 4 

 to 5^ in head ; pectoral moderate, outer edge broadly convex ; ventral 

 4% to 5 in total length. 



Burnt umber above, below paler, everywhere uniformly colored. 



Japan. 



U.S.N.M. No. 57520 Japan. P. L. Jouy. Length, 307 mm. 



U.S.N.M. No. 71186. Misaki, Japan. Albatross expedition 1906. Length, 158 mm. 



U.S.N.M. No. 71376. Kagoshima, Japan. Albatross expedition. Length, 103 mm. 



Subgenus Bengalichthys Annandale 



NARKE IMPENNIS (Annandale) 



Bengalichthys impennis Annandale, Mem. Indian Mus., vol. 2, p. 48, text fig. 9, 



pi. 3a, figs. 7 (mouth), 7a (teeth), 1909 (type locality: Orissa coast). 



Narke impennis Gaeman, Mem. Mus. Comp. Zool., vol. 36, p. 315, 1913 (Orissa). 



Head to hind spiracle edge 814 in total length. Snout 1% in head 

 to hind spiracle edge; eyes minute, deeply sunk, colorless, close to 

 spiracles ; teeth with triangular, transverse ridge, somewhat pointed ; 

 somewhat narrow, long rectangular process on mouth roof, directed 

 backwards rather than vertically downwards, its terminal edge 

 sinuous but not bilobed and similar smaller process on mouth floor; 

 interorbital about 21/^ in head to hind spiracle edge. 



Dorsal small, halfway between hind basal ends of ventrals and 

 caudal, length 1% in head to hind spiracle edge ; caudal 4:% in rest 

 of body, rounded posteriorly (figure shows middle of hind edge with 

 median notch) ; pectorals form ovate disk, widest anteriorly, length 

 slightly less than tail, long as wide, each fin posteriorly with sub- 

 marginal fringed ridge ; ventrals distinct, about 6 in total along sides 

 of tail. 



Body above deep buff clouded with dark brown. Under surfaces, 

 margins of disk and fins, large oval spot each side of back before 

 root of tail, forwardly directed streak on each side of tail in front of 

 dorsal fin and backwardly directed streak on base of disk at either 

 side cream color. Length 175 mm. (Annandale.) 



India. 



Genus TYPHLONARKE Waite 



Typhlonarke Waite, Rec. Canterbury Mus., vol. 1, No. 2, p. 16, 1909, (Type, 

 Astrape aysoni A. Hamilton, monotypic.) 



