96 ON A COLLECTION OF FISHES FEOM LAKE TANGAJSTYIKA. 



Ctpeinodontid^. 



22. Haplochilus tanganicanus Blgr. 

 Native name : " Mohanga." 



EXPLANATION OF THE PLATES. 



PLATE XVIIL 



Fig. 1. Lamprologus lemairii, p. 88. 

 Fig. 2. Paratilapia dewindti, p. 88. 

 Fig. 3. Qrammatotria lemairii, p. 90. 



PLATE XIX. 



Fig. 1. Trematocara marginatum, p. 89. 1 a. Side view of head; 



1 b. Lower view of head, enlarged. 

 Fig. 2. Ectodus descampsi, p. 90. 

 Fig. 3. „ melanogenys, p. 91. 

 Fig. 4. „ longianalis, p. 91. 

 Fig. 5. Xenotilapia sima^ p. 92. 

 Fig. 6. Tilapia grandoculis, p. 94. 



PLATE XX. 



Fig. 1. Tilapia dardennii, p. 93. 

 Fig. 2. „ rubropunctata, p. 93. 

 Fig. 3. „ microlepis, p. 94. 



