MOCHOCUS. 495 



32. Ad. Tonga, White Nile. L. Loat, Esq. (C). 



33-36. Ad. L. No, „ 



87. Type o£ Rhinoglanis Gondokoro. J. Petherick, Esq. (C). 



typus. 

 38-44. Ad. & hgr. „ L. Loat, Esq. (C). 



2. MOCHOCUS BREVIS. 



Bouleng. Ann. & Mag. N. H. (7) xviii. 1906, p. 148, and Fish. Nile, p. 390, 

 pi. Ixxvi. fig. 3 (1907). 



Distinguished from the preceding by the shorter caudal part of the 

 body, the first dorsal fin being equally distant from end of snout and 

 from root of caudal, or a little nearer the former. Depth of body 3|- to 



Fig. 369. 



I: hi:- ■ a A 



■ 



Mochoeus hrevis. 

 Type (F. N.). 



4| times in total length, length of head 3 to 'Q times. Occiput and 

 nuchal shield slightly tectiform, but without a keel. Maxillary barbel 

 reaching extremity of ventral or a little beyond. First dorsal I 6, the 

 spine without any serration and always shorter than head; second 

 dorsal with 9-16 rays. Anal 9-10. No scutes at sides of soft rays 

 of first dorsal fin. Pectoral spine reaching root of ventral, with 6 to 

 10 very strong sevrae on inner side. Caudal peduncle only a little 

 longer than deep. Coloration as in M. niloticus, but pectoral, ventral, 

 and anal fins with some brown spots. 



Total length 31 millim. 



White Nile. 

 1-15. Types. Fashoda. L. Loat, Esq. (C). 



16, Type. L. No. 



