EISEUES. 385 
Unfortunately the form of the mouth is destroyed, owing to the 
mode of preservation. 
16. BARBUS BYNNI, Forsk. 
A large specimen of this common Nilotic species, from the 
Shebeli River. 
Two very young specimens, 10 cm. long, from a stony brook 
running into the Erer R. (17 & 18.8.94), are probably the same 
species. 
17. BARBUS, sp. 
A very young specimen, 5 cm. long, from Lake Rudolf, cannot 
be specifically determined. 
18. MORMYRUS ZAMBANENJE, Ptrs. 
In a specimen from Geledi on the Webi Shebeli (19.1.95) the 
dorsal fin is a little more than half as long as the anal. D. 21. 
Je 
