214 



CICHLID^. 



Snout \vith straight upper profile ; eye 4| times in length of head, equal 

 to interorbital width ; mouth not extending to below anterior border of 

 eye ; G or 7 series of scales on the cheek. Dorsal XV 10 ; last spine 

 longest, about ^ length of head; longest soft rays not quite J length of 

 head. Anal III 8. Pectoral f length of head. Caudal rounded. 

 Scales 30 ^2; lateral lines J^. Yellowish brown ; a black opercular spot; 

 dorsal and caudal with round blackish spots. 



Total length 115 millim. 



Angola. — Type in Vienna Museum. 



JMg. 138. 



Tilapia buettikoferi. 

 Type of T. ansorgii. |. 



40. TILAPIA BUETTIKOFERI. 



Chromh Jmlfikofcri, Hiil)i-oclit, Notes Leyd. Mils. iii. 1881, p. G6 ; Steind. op. cit. 



xvi. 1894, p. 30. 

 Tilapia huettikoferi, Boiilon^r. proc. Zool. Soc. 1899, p. 128 j Pellegr. Mem. Soc. 



Zool. Franco, xvl. 1904, p. 322. 

 Tilapia ansnr;fii, Boideng. Ann. & Mng. N. H. (8) vii. 1911, p. 370. 



Depth of body 2 to 2| in total length, length of head 3 to 3| times. 

 Head 1|^ times as long as broad, upper profile slightly concave ; snout 

 as long as broad, ]| times as long as eye in adult, as long as eye in 

 young; eye 3 (young) to 4 times in length of head, 1 to If times in 



