TILAPIA. 



195 



28-31 



3i 

 11-13 ' 



lateral lines ~^q~. Olive-brown, young with 5 or 6 broad 



darker vertical bands which disappear more or less completely in the 

 adult ; a blackish opercular spot ; young with a large black spot at the 

 base of the last spines and the first soft rays of the dorsal, becoming 



Fig. 124. 



-v-'N'- 



Tilapia cahrw. 

 Type (A. M. C). f . 



indistinct or disappearing in the adult ; soft dorsal, anal, and caudal dark, 

 with or without small round light spots or with dark vermiculations, 

 sometimes with a light edge. 

 Total length 300 millim. 



Chiloango and Angola. — 'L'yP^ ^^ Congo Museum, Tervueren. 

 1. One of the Kaika N'Zobe, Loatigo. 



types. 



Loango R. above N'Kiitu. 

 Luali R. at Buco Zau, 



Chiloango. 

 Lobuzi R. at Boma Vonde, 



2-5. Ad. & hgr. 

 6-10. Hgr. & 



Major Cabra (C). 



Dr. W. J. Ansorge (C). 



yg- 



11. Ad 



12. Ad. 



13-16. Ad. & bgr. 

 17. Skel. 

 18-20. Ad. & yg. 

 21. Ad. 



Chiloango. 

 Lebnzi R. at Kuka Muno, 



C'hiloango. 

 Quanza R. at Cunga, Angola. 



„ at Mono, „ 



L. Rumango, BengoH., ,, 



