000 FISHES FEOM LAKE TANGANYIKA. 



PLATE XLI. 



Fig. 1. Trematocara nigrifrons, p. 570. 



2. Cunningtonia longiventralis, p. 574. 



3. Mastacembelus cunning toni, p. 575. f nat. size. 

 3 a. Ditto : upper view of head, f nat. size. 



