236 



CICHLIDiE. 



once length of head, extending to vertical of origin of anal or a little 

 beyond. Ventral extending to origin of anal or beyond. Caudal 

 rounded. Caudal peduncle 1^ to 2 times as long as deep. Scales 

 strongly denticulate, 29-33 ^jz\2 ; lateral lines g^-. Adult male black, 

 the anal fin and the border of the caudal often bright vermilion ; orange 

 ocellar spots sometimes present on the anal. Female and young dark 

 grey or brown to blackish, with or without black bars on the body ; 



Eig. 155. 



Tilapia nubilu. 

 Type(F.K). §. 



usually a black vertical bar below the anterior third of the eye ; a black 

 opercular spot ; dorsal and anal fins dark grey or brown and, like the 

 soft dorsal, with more or less distinct small darker spots; ventral fins 

 greyish or yellow. 



Total length 120 millim. 



Lake Victoria and Victoria Nile. 



1—6, 7-16. Types. 

 17-18. Ail. 

 19-21. Ad. 



22-28. Ad. 



29. Skel. 



30. Skel. 

 31-38. Ad. 



Entebbe. 

 Buddu Coast. 

 Jinja, Ripon Falls. 



Bululo, L. Kioga. 



55 55 



Kakindu, Victoria Nile. 

 Malawa R., Kavirondo, 

 4000 f. 



Mr. E. Degen (C). 

 Mr. M. Simon (C). 

 Dr. E. Bayon(C) ; 

 Genoa Museum (P.). 



Sir F. J. Jackson (P.). 



