158 



CICHLID.E. 



Anal III 9-11 ; third spine a little shorter than last dorsal. Pectoral 

 1 to lj times as long as head, reaching vertical of origin of anal or 

 beyond. Ventral reaching vent or origin of anal. Caudal truncate 

 or very slightly emarginate, the angles sometimes rounded. Caudal 

 peduncle as long as deep, or slightly deeper than long. Scales cycloid, 



3*-— 4i 17—22 



30-34 jjr[2 ; lateral lines j^js. Brown above, whitish beneath ; a 

 blackish opercular spot, sometimes followed by series of similar spots 

 along the side of the body above and below the upper lateral line ; 



Tilapia natalensis. 

 Durban. 4. 



young with 7 or 8 more or less distinct dark vertical bars often in 

 addition to the two series of blackish spots ; vertical fins uniform or with 

 small round blackish spots or light spots separated by a dark network. 



Total length 330 millim. 



East and South Africa, Katanga. — Types in Amsterdam University. 



Dr. Donaldson Smith (C). 



Mr. Wray (C). 



S. L. Hinde, Esq. (T.). 



Sir J. Kirk (P.). 

 Prof. W. Peters (P.). 

 Capt. Letnaire (C.) 



1. Yg. 



Wcbi Shebeli. 



2-3. Hgr. 



Taita, inlaid of Mombasa. 



4-11. Ad., hgr., 



Rabai, inland of Mombasa, 



& yg- 



500 ft. 



12. Hgr. 



Coast of Zanzibar. 



13-17. Hgr.&yg. 



Zambesi. 



18-19. Yg. 



Lofoi, Katanga. 



20-22. Yg. 



Moa-Chia, Katanga. 



