270 



ADDENDA, VOL. II. 



serrated, as long as or a little longer than head. Anal III 5, not 

 reaching caudal. Pectoral as long as head, not quite reaching ventral ; 

 base of latter below origin of dorsal. Caudal peduncle as long as deep 

 or a little longer than deep. Scales radiately striated, 25-26 |i, 2-2J 

 between lateral line and ventral, 12 round caudal peduncle. Pale sand- 

 colour, with a silvery lateral band, which is sometimes edged above 

 with a streak of black pigment ; fins white and transparent, or pale 

 orange at the base. 



Total length 55 millim. 



Eusso Nyiro, British East Africa. 

 1-10. Typos. Eusso Nyiro, below falls. A. B. Percival, £«]. (P.). 



Closely allied to ]i. netjiccfiis, and strikingly resembling B. ar</>/)'ofa'iii(i 

 in general appearance, althougli pertaining to a diflcrent section of the 



genus. 



Fiir. 1(;(! 



Bxrhxis aurantiacus. 

 Type. 



170a. BARBUS AURANTIACUS. 

 Bouleng. Ann. & Mug. N. H. (8) vi. 1010, p. ool. 



Depth of body equal to length of head, 3| to 1 times in total length. 

 Siu)ut rounded, shorter than eye, which is 2^ to 2^- times in lengtii 

 of head and equals interorbital width ; mouth subinferior, its width 

 oi times in length of head; lips moderately developed, interrupted on 

 tlie cliin ; two minute barbels on each side. Dorsal III 8, equally 

 distant from end of snout or anterior border of eye and from root of 

 caudal, border slightly concave; last simple ray flexible, not enlarged, 

 not serrated, as long as head. Anal III 5, not reaching caudal. 



