ALESTES. 



221 



ventral. Olive-brown above, silvery beneath, often tinged with pink ; 

 a more or less distinct blackish blotch at base of caudal. 



Total length 260 millim. 



Congo, Lake Bangwelo. — Types in Congo Museum, Tervueren. 



1. 



Typo. 



Lower Congo. 



M. F. Hens (C). 



2. 



Type. 



Ibali, Lake Leopold IT. 



M. P. Delhez (C). 



.'5. 



Yg- 



Bolobo, Upper Congo. 



Rev. G. Grenfell (P.). 



4. 



Ad.* 



Mousembe, „ 



Rev. J. H. Weeks (P.). 



5. 



Ad. 



Near Iruinu, Ituri R. 



R. B. Woosnam, Esq. (C); 

 Ruwenzori Expedition. 



6. 



Ad. 



Lake Bangwelu. 



F. H. Melland, Esq. (P.). 



24. ALESTES BATESII. 

 Bouleng. Ann. & Mag. N. H. (7) xii. 1903, p. 435. 



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

 times. Head If to 2 times as long as broad, longer than deep, distance 

 between end of snout and occiput not or but slightly exceeding width of 

 head ; snout as long as or longer than diameter of eye, which is 3 to 4 



Fig. 166. 



Alestes batesii. 

 Type. i. 



times in length of head ; adipose eyelid indistinct ; interorbital width 

 about half length of head; maxillary not extending to below anterior 



(g 2 g 



8 or g) in upper jaw, 10 ( 7) ) in lower; 



length of lower border of second suborbital equalling or exceeding 



* The ventral fins are entirely absent in this specimen. 



