214 



CICHLIDyE. 



Snout with straight upper profile ; eye 4f times in length of head, equal 

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

 eye ; 6 or 7 series of scales on the cheek. Dorsal XV 10 ; last spine 

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

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

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

 dorsal and caudal with round blackish spots. 



Total length 115 millim. 



Angola. — Type i n Vienna Museum. 



Fig. 138. 



41 



Ifc 



Tilapia buetlikoftri. 

 Type of T, ansorgii. |. 



49. TILAPIA BUETTIKOFEEI. 



Chromis biittikoferi, Hubreclit, Notes Leyd. Mus. iii. 1881, p. 66 ; Steind. op. cit. 



xvi. 1894, p. 39. 

 Tilapia buettikoferi, Bouleng. Proc. Zool. Soc. 1899, p. 128 ; Pellegr. Mem. Soc. 



Zool. France, xvi. 1904, p. 322. 

 Tilapia ansorgii, Bouleng. Ann. & Mag. N. H. (8) vii. 1911, p. 376. 



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

 Head If times as long as broad, upper profile slightly concave; snout 

 as long as broad, If 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 



