CICHLlDiE. 



from the latter by the larger eye, the diameter of which is 83 (young) to 

 5 times in length of head and equal, or nearly equal, to width of scaly 



Pig. 224. 



Faratilapia prognatha, 

 Type(F.N.). |. 



part of cheek. Dorsal XIV-XVI 8-10. 'Scales 32-36 ^^ ; lateral 

 lines Y\-ir Coloration similar to that of P. serranus, one or two dark 

 lateral stripes being usually present. 



Total length 170 millim. 



Lake Victoria and Victoria Nile. — Types in Paris Museum. 



1, 2. Two of the types. Kavirondo Bay. 



3-10. Ad., hgr., & yg. 

 11-12. Ad. 

 13-14. Ad. 

 15-lG. Ad. & yg. 



Entebbe. 

 Buiijako. 

 L. Victoria. 

 L. Salisbury. 



M. Alluaud (C.) ; 



Paris Museum (E.). 

 Mr. E. Dcgen (C). 



Sir H. H. Johnston (P.). 

 Sir F. J. Jackson (P.). 



18. PARATILAPIA SERRANUS. 



Ilemichromis serranus, PEeff. Thiervv. O.-Afr., Fische, p. 23 (1896). 



Panitllapia serranus, Bouleng. Proc. Zool. Soc. 1898, p. 143, and 1901, ii. p. 161 



(part.) ; Pellegr. Mem. Soc. Zool. Fnince, x\i. 1904, p. 265 ; Bouleng. Fish. 



Nile, p. 471, pi. Ixxxvii. fig. 1 (1907), and Ann. Mus. Genova, (3) v. 1911, 



p. 65. 



Depth of body equal to or a little less than length of head, 2-{'(y to 

 4 times in total length. Head 2y to 2^ times as long as broad ; lower 

 jaw feebly projecting ; snout as long as broad or a little longer than 

 broad, with straight or convex upper profile, 1 (young) to If times as 

 long as eye, which is 03 (young) to 5 times in length of head, 1 to \h 



