CHAEACmiD^E. 181 



III 15, pointed in the middle (male). Pectoral nearly as long as head, 

 reaching ventral. Caudal deeply forked, lobes pointed. Caudal 

 peduncle a little longer than deep. Scales with radiating and anasto- 

 mosing canals, 26 gf, 2 between lateral line and ventral. Silvery, 

 brownish on the back, with a rather indistinct dark lateral band from 

 above the gill-cover to the root of the caudal fin; dorsal greyish, other 

 fins yellow^ 



Total length 150 millim. 



Mulawa River, Lake Victoria. 

 1. Type. Malawa E., Kavirondo, 4000 £t. Sir F. J. Jackson (P.). 



Allied to A. affinis, but gill-rakers and anal rays fewer and 4j scales 

 above lateral line instead of 5|. 



14. ALESTES IMBERI, Peters. 



Steind. Denkschv. Ak. Wien, Ixxxix. 1913, p. 15 ; Pappenh. in Schubotz, Wiss. 

 Ergebn. Deutsch. Z.-Afr. Exped., Zool. iii. p. 233 (1914). 



Add:— 



38-41. Ad. & hgr. Bumba R. at Assobam, G. L. Bates, Esq. (C), 



S. Cameroon. 

 42. Hgr. Kondue, Kasai. M. E. Luja (C.) ; Luxem- 



burg Museum (P.). 

 43-45. Ad. L. Bangvvehi. F. H. Melland, Esq. (P.). 



16. ALESTES KINGSLEY^, Gthr. 

 Add:— 

 8. Ad. Cliiloango R. at Mayili. Dr. W. J. Ansorge (C). 



9-10. Hgr. Cliiloango Town. „ 



11-13. Ad. & hgr. Luali R. (Chiloango) at Buco „ 



Zau. 

 14-16. Hgr. & yg. Luali R. at Sassa Zau. „ 



17-18. Ad. Lebuzi R. ((Ihiioango) at 



Kuka Muno. 

 19-20. Ad. Luculla R. (Chiloango). „ 



16 a. ALESTES RUTILUS, sp. n. 

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

 Head twice as long as broad, a little longer than deep ; snout as long as 

 or a little shorter than eye, which is lateral and 2f to 3 times in length 

 of head ; adipose eyelid feebly developed ; interorbital region feebly 

 convex, its width 2J times in length of head ; maxillary not extending 



