BARBUS. 



27 



produced into a median rounded or subtriangular lobe which is shorter 

 than the eye ; two barbels on each side, anterior as long as eye or a 

 little longer (shorter in the young), posterior usually 1^ to 1| diameters 

 of eye. Dorsal IV 9 (rarely 8, exceptionally 10), equally distant from 



<?I?"^ 



ffllP^ 



Fie. 8. 



Barbus bynni. 

 Nubia (F. N.). 3. 



occiput and from root of caudal, border concave ; last simple ray very 

 strong, bony, not serrated, its ossified part usually 1J to If times length 

 of head (exceptionally slightly shorter than head). Anal III 5, some- 

 times nearly reaching root of caudal. Pectoral as long as or a little 

 shorter than head, not reaching ventral ; base of latter below or slightly 

 in advance of anterior rays of dorsal. Caudal peduncle 1 to 11 times 

 as long as deep. Scales finely striated longitudinally, 31-39 (usually 

 34-37) gl (exceptionally °^ g ), 3 (rarely 3J, exceptionally 4) between 

 lateral line and ventral, 14 (rarely 12 or 16) round caudal peduncle. 

 Yellowish or silvery, grey or olive on the back; fins yellow or orange, 

 anal and caudal pink or red, ends of dorsal and caudal rays sometimes 

 blackish. 



Total length 460 millim. Grows to 660 millim. 

 Nile and Lake Baringo. 



1-6. Ad. & ligr. 



Lower Nile. 



7. Skel. 



): 



8-9. Hgr. 



Near Damietta. 



10. Hgr. 



Near San, L. Menzaleh 



J. Petherick, Esq. (C.)- 

 L. Loat, Esq. (C). 



