1. Tanganyika and the Countries North of It
2. Since the publication of the first report in which lists were given of the fishes of the principal lakes of Central Africa the ichthyological fauna of Lake Mweru which from its vicinity to Tanganyika is of special interest has become known through collections made by Mr. Alfred Sharpe C. B. and the Lemaire Expedition (Congo Free State). It enables me to draw up the following list in which the names of the endemic species are printed in italic the general habitat of the others being given in brackets:–.
3. MORMYRIDÆ.
4. Gnathonemus stanleyanus Blgr. (Congo).
5. Mormyrus longirostris Peters (Nile Congo Zambesi).