1909.] 



N. Annandai^e : Report on the Batoidei. 



49 



of the dorsal fin and a backwardly directed streak on the base of the disk 

 at either side, cream colour. 



Eyes minute, deeply sunk, colourless, close to the spiracles, which have smooth edges. 



Mouth closely resembling that of Astrape dipterygia externally ; the teeth with the 

 triangular transverse ridge somewhat more pointed than in that species. A some- 

 what narrow, long rectangular process on the roof of the mouth, directed back- 

 wards rather than vertically downwards, and having its distal edge sinuous but 

 not bilobed ; a similar but smaller process on the floor of the mouth. 



Fig. 9.- — Bengalichthys impennis, nat. size : p. = pectoral fin. 



This species is represented by two specimens (a male and a female) taken by the 

 ' ' Golden Crown ' ' in about 15 fathoms of water in Balasore Bay on the coast of Orissa 

 in October, 1908. The following measurements are taken from the specimens after 

 preservation in spirit : — 



Total length 

 lycngth of disk 



i75'0 mm. i25'0 mm. 

 8i-o ,, 63-0 ,, 



