BARBUS. 



75 



diameters of eye. Dorsal IV 9, equally distant from occiput and from 

 caudal, border strongly concave ; last simple ray very strong, bony, not 

 serrated, feebly curved, about f length of head. Anal III 5, not reaching 

 caudal. Pectoral about f length of head, nearly reaching ventral ; latter 

 originating slightly in front of dorsal. Caudal peduncle If times as 

 long as deep. Scales longitudinally striated, 31 ^f, 2\ between lateral 

 line and ventral, 14 round caudal peduncle. Dark olive above, silvery 

 white beneath ; fins greyish. 



Total length 230 millim. 



Didessa River (Blue Nile), Southern Ethiopia. 



1. Type. Didessa R. Mr. P. G. Z-iphiro (C.) ; 



W. N. McMillan, Esq. (P.). 



59. BARBUS GORGUAR1. 



Eiipp. Mus. Senckenb. ii. p. 9, pi. i. fig. 4 (1837) ; Bouleng. Ann. & Mag. N. H. 



(7) x. 1902, p. 424, and Fish. Nile, p. 237, pi. xliv. (1907). 

 Barbus elongatus, Riipp. t. c. p. 1], pi. ii. fig. 1. 



Luciobarbus gorguari, Heck. Russegger's Reise Egypt, iii. p. 324 (1846) 

 Luciobarbus elongatus, Heck. 1. c. 



Depth of body 3f to 4J times in total length, length of head 3-g- to 3-jj- 

 times. Snout rounded, 2| to 2f times in length of head; eye 4 (young) 

 to 8 times in length of head, interorbital width of to 4 times; mouth 

 terminal, or lower jaw projecting; lips well developed, lower interrupted 



Barbus gorguari. 

 L. Isana (F. N.). 3. 



on chin ; two barbels on each side, as long as or shorter than eye. 

 Dorsal 11I-1V 8-9, nearly equally distant from occiput and from caudal, 

 border more or less distinctly concave ; last simple ray strong, bony, not 

 serrated, straight or feebly curved, f to f length of head. Anal 111 5, 



