224 ADDENDA, VOL. II, 



equally distant from centre or anterior border of eye and from root 

 of caudal, border concave; last simple ray extremely strong, bony, 

 not serrated, straight, l£ to If times length of head. Anal III 5, not 

 reaching caudal. Pectoral shorter than head, not reaching ventral ; 

 base of latter below anterior rays of dorsal. Caudal peduncle twice as 

 long as deep. Scales finely striated longitudinally, 36-40 5 -%r^ 3 between 

 lateral line and ventral, 12-14 round caudal peduncle. Silvery, back 

 brownish ; fins sometimes tinged with red. 



Total length 140 mm. 



Angola. 



1-8. Types. Lucalla R. at Lucalla. Dr. W. J. Ansorge (C). 



Most nearly allied to B. bijnni and U. ruspolii. Distinguished from 

 both by the proportions of the head and body, the larger eye, the more 

 anterior position of the dorsal fin, and from the latter by the higher 

 number of scales in the lateral line. 



9. BARBUS ERLANGERI, Blgr. 

 Add:— 

 8-13. Ad., hgr., Ensso Nyiro, below falls. A. B. Percival, Esq. (P.). 



& yg- 



11-15. Ad. Eusso Nyiro, hot springs at ,, 



Chandler falls. 

 16-18. Yg. Saya. 



11. BARBUS DCCHESNII, Blgr. 

 Lomiberg, Handl. Svensk. Yet. Akad. xlvii. no. G, 1911, p. 38. 



11a. BARBUS ROCADASI. 

 Bouleng. Ann. & Mag. N. H. (8) vi. 1910, p. 550. 



Depth of body 3 to 3^ times in total length, length of head 3^ to 4 

 times. Snout rounded, 2§ to 3| times in length of head; eye 3 (young) 

 to 5 times in length of head, interorbital width 2f to 3 times ; mouth 

 inferior, its width 3 to 3| times in length of head ; lips moderately 

 developed, lower continuous across chin (sometimes interrupted in 

 the young), but not forming a median lobe ; two barbels on each side, 

 anterior a little shorter than posterior, which is as long as or a little 

 longer than eye. Dorsal 1II-1V 9 (rarely 8 or 10), equally distant from 

 anterior or posterior border of eye and from caudal, border concave ; last 

 simple ray very strong, bony, not serrated, straight or feebly curved, 



