BKYCON.ETHIOPS. 



189 



with an interrupted black lateral band above the 

 blackish between the rays ; ventrals and caudal 



Total length 176 millim. 



Cameroon, Gaboon, Congo. 



1, 2-3, 4-8. Ad. Kribi Hi, S. Cameroon. 



& hgr. 

 9-10. Ad. 

 11-12. Types. 



13. Skel. 



14. Ad. 



15. Ad. 

 16-17. Ad. 

 18. Hgr. 



19. Hgr. 



20. Ad. 



Ja R. (Congo System). 

 Boma, Lower Congo. 

 Stanley Pool. 



Coquilhatville, Upper Congo. 

 Ibali, Lake Leopold II., U. Congo. 

 Monsembe, Upper Congo. 

 Lindi R., „ 



Uerre R., 

 Aruwimi R., 



lateral line ; dorsal often 

 sometimes partly black. 



G. L. Bates, Esq. (C). 



J. J. Monteiro, Esq. (C). 

 M. A. Greshoff (C). 

 M. P. Delhez (C). 



i) 

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

 M. M. Storms (C.) ; 



Brussels Museum (E.). 

 M. De Bauw (C). 

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



Ruwenzori Expedition. 



2. BRYCON^THIOPS YSEUXI. 



Bouleng. Ann. Mus. Congo, Zool. i. p. 82, pi. xxxvii. fig. 2, and Poiss. Bass. Congo, 

 p. 147 (1901). 



Depth of body 2f times in total length, length of head nearly 4 times. 

 Head as long as deep, once and -f as long as broad; snout shorter than 

 eye, which is 3 times in length of head and equals interorbital width ; 



Fig. 145 



Biyconcelhiops ysenxi. 

 Type (A. M. C). 4. 



adipose eyelid much developed ; maxillary extending to below anterior 

 border of eye ; teeth as in the preceding. Gill-rakers short, 12 on lower 

 part of anterior arch. Dorsal II 8, at equal distance from end of snout 

 and from adipose fin, its fourth ray above first of ventral ; some of the rays 



