228 



cichlidj*:. 



spine about ^ length of head. Pectoral about § length of head, widely 

 separated from anal. Ventral not reaching vent. Caudal rounded. 

 Caudal peduncle as long as deep. Scales with strong marginal denticu- 

 lation, 30-31 jijrfy ; lateral lines ^-^- ; scales on occiput and nape very 

 small. Olive-brown above, some of the scales black at the base; 5 or 

 6 more or less indistinct dark cross-bands; a blackish opercular spot; 

 dorsal and caudal fins with small dark spots ; a fine blackish edge to the 

 dorsal and to the caudal above and beneath. 



Total length 115 millim. 



Upper Congo. — Types in Brussels Museum. 



1. One of. the types. Lindi E. 



2-3. Ad. & yg. 



Stanley Falls 



M. M. Storms (C.) ; 



Brussels Museum (P.). 

 Dr. C. Christy (C). 



62. TILAPIA HORII. 



Chromis /writ, Griinth. Proe. Zool. Soc. 1893, p. 630, pi. lviii. fig. A. 



Tilapia horii, Bouleng. Proc. Zool. Soc. 1899, p. 122, and Poiss. Bass. Congo, 



p. 4G3 (1901) ; Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 328 

 Tilapia rubropunctata, Bouleng. Tr. Zool. Soc. xv. 1899, p. 93, pi. xx. fig. 2, Ann. 



Mus. Congo, Zool. i. p. 149, pi. lv. fig. 1 (1900), and Poiss. Ba*s. Congo, 



p. 464. 



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

 2-f times. Head 2^- to 2£ times as long as broad ; snout with straight 



Pig. 1 50. 



Tilapia horii. 

 Type of T. rubropunctata (Tr. Z. S. 1899). 



upper profile, longer than broad, as long as postocular part of head, 1J 

 to 2 times as long as eye, which is 4 to 4J times in length of head and 



