174 FISHES FEOM LAKES TANGANYIKA AND KIVU. 



PLATE XVIII. 



Fig. 1. Paratilapia vittata, p. 150. 



Fig. 2. Xenotilapia ornatipinnis, p. 154. 



Fig. 3. Trematocara unimaculatum, p. 155. 



Fig. 4. Tilapia pleurotmiia, p. 157. 



