TILAPIA. 



1G7 



little more than ^ length of head. Pectoral 1 to IJ times as long as 

 head, reaching beyond vertical of origin of anal. Ventral reaching 

 vent or origin of anal. Caudal truncate. Caudal peduncle as long as 

 deep. Scales 31-32 j-^^ ; lateral lines l^Zig- Dark brown above, with 

 or without very indistinct darker cross-bars, yellowish beneath ; a black 

 opercular spot ; fins brown or blackish, uniform or with oblique light 



Fi" 107. 



Tilupia eduardkuia. 

 Type. |. 



streaks on the soft dorsal ; young with a large ocellar spot on the 

 anterior part of the soft dorsal. 



Total length 180 millim. 



Lake Albert Edward watershed of Mount Iluwenzori and Lake 

 Gangu, west of l/ake Victoria. 



1-G. Types. 

 7. Skel. 

 8-13. Yir. 



S.E. slope of Mt. Ruwenzori, 

 3200 ft. 



L. Gangu. 



R. B. Woosnam, Esq. (C.) ; 



Ruwenzori Expedition. 

 R. B. Woosnam, Esq. (C.) ; 



Ruwenzori Expedition. 

 C. M. Woodhouse, Esq. (P.), 



12. TILAPIA VARIABILIS. 



Clivomis nilot'icus (non Linn.), Hil^end. Sitzb. Ges. naturf. Fr. Bcrl, \>^f>?^, p. 7(1. 

 Tilapia galilcva (non Artedi), Pellegr. Mem. Soc. Zool. France, xvii. 1005, p. 183. 

 Tilapia variabilis, Bonleng. Ann. & Mag. N. H. (7) xvii. 1006, p. 447, FUh. Nile, 

 p. 529, fi<,'. (1907), and Ann. Mus. Genova, (3) v. 1911, p. 76. 



Depth of body 2i to 2 J times in total length, length of head 2§ to 

 3 times. Head 1 1 to 2 times as long as broad ; snout rounded, with 



