318 Mr. J. R. Noiniaii 07i ncxo 



XTi. — Three luw Fishes from Znhtland and Natal ^ coUected 

 /'// Mr. II. W. Bell Mai let/; with Additivns to the Fish 

 Fauna of Natal. By J. li. 2souMAN. 



(I'ublisbed by permissiou of tin.' Trustees of tlie Britisb Museum.) 



I. — Descriptions of new Species. 



Rhinohatus holcorhynchiis, sp. n. 



Snout long and obtusely pointed, its ))r?eoibital leugtli 

 nearly twice tlie (li^tance between outer margins of eyes, and 

 its piffioial length 3^ times width of moutli. Rostral carti- 

 lage strong J ridges widely se))arated, nearly parallel, slightly 

 converging- anteriorly. Diameter of eye 4 times in praioral 

 length of snout ; that of eye + spiracle 1| times interorbital 

 width. Spiracle with two folds, the outer much more 

 prominent than the inner. Kostrils wide, 4 w idth of mouth, 

 and nearly twiee that of tlie internarial sjtace. The anterior 

 nasal valve extends inwards as far as level of inner edge of 

 nostril, so that valves and nostrils are separated by an inter- 

 si)ace of equal length. Lloutli straight; 64 rows of teeth in 

 upper jaw. Dorsals equal, elevated ; the base of the first 

 equal to its distance from extreuiities of pel vies, and slightly 

 less than ^ of its distance from second dor-al. Caudal 

 narrow. A distinct se:ies of tubercles in the median line of 

 the back, extending nearly as far as second dorsal ; a group 

 of 3 or 4 on shoulder, 7 or 8 in front of orbit, and 3 or 4 

 above spiracle. Back uniform greyish brown, lighter at 

 sides of rostrum and edges of pelvics ; a black blotch beneath 

 extremity of snout. 



A single specimen, 28 inches in total length, from the 

 Zululand coast, at a depth of 45 fathoms. 



'J'his species appears to be related to li. leucvrhi^nchus^ 

 Gunth. 



llolacanthus acanthops, sp. n. 



Depth of lody twice in the length, length of head 3|. 

 JSnout not quite ^ diameter of eye, which is 2^ in length of 

 head. Interorbital width 3 in head. l'ra;o| ercnlum with 

 the veitical maigin denticulated; a strong spine at the angle, 

 slightly more than ^ length of head, not reaching vertical 

 from posterior nKirgin of operculum. Subopertulum serrated, 

 fcuboibilal willi a strong backward ly directed spine, ^ lengih 



