The Freshwater Fishes of South Africa. 495 



Total length 300 millim. 



Lake Nyassa and Upper Shire River." 



Three specimens, ranging from 74-77 mm. in length, received from 

 Kafue River, Rhodesia (Mr. J. Hotchkiss), appear to belong to this 

 species, but owing to their mutilated condition it is difficult to identify 

 them satisfactorily. 



11. TlLAPIA MELANOPLEURA, A. Dum. 



Tilapia melanopleura, A. Dumeril, Arch. Mus., x, 1859, p. 252, 

 pi. xxii, fig. 1 ; Bouleng., Proc. Zool. Soc., 1889, p. 123, Trans. Zool. 

 Soc., xviii, 1911, p. 417, and Freshw. Fish. Afr., iii, p. 190, fig. 123 

 (1915) ; Pellegr., Mem. Soc. Zool. France, xvi, 1904, p. 329, and Bull. 

 Soc. Philom. (9), x, 1908, p. 134. 



Tilapia affinis, A. Dum., t.c., p. 255; Bouleng., t.c., p. 127; 

 Pellegr., Bull. Mus. Paris, 1900, p. 277. 



Tilapia polycentra, A. Dum.. t.c., p. 254; Bouleng., t.c., p. 128. 



Chromis polycentra, Griinth., Cat,. Fish., iv, p. 270 (1862). 



Chromis latus, Griinth., t.c., p. 271 ; Steiudr., Verh. zool.-bot. Gres. 

 Wien, xiv, 1864, p. 227, pi. viii, figs. 1 and 2. 



Chromis melanopleura, Griiuth., t.c., p. 272. 



Chromis aureus, Steindr., t.c., p. 229, pi. viii, fig. 5. 



Chromis niloticus, part., Steindr., Sitzb. Ak. Wieii, Ix, 1870, p. 96. 



Chromis coeruleomaculatus, Rochebr., Bull. Soc. Philom. (7), iv, 

 1880, p. 166, and Act. Soc. Linn. Bord. (4), vi, 1883, p. 132, pi. iv, 

 fig. 3. 



Chromis faidherbi,} Rochebr., tt.c.c., p. 167, and p. ]34, pi. v., fig. 5. 



Chromis affinis, Rochebr., Act. Soc. Linn. Bord. (4), vi, 1883, p. 131. 



Chromis ogowensis, GJ-iinth., Ann. and Mag. Nat. Hist. (6), xvii, 

 1896, p. 271, and Proc. Zool. Soc., 1899, p. 717, and 1902, ii, p. 231. 



Chromis rendalli, Bouleng., Proc. Zool. Soc., 1896, p. 915, fig. 



Tilapia rendalli, ~Bou\eng., Trans. Zool. Soc., xv, 1898, p. 4, and Proc. 

 Zool. Soc., 1899, p. 126. 



Tilapia lata, Bouleng., Proc. Zool. Soc., 1899, p. 125, and Poiss. 

 Bass. Congo, p. 466 (1901); Steindr, Deukschr. Ak. Wien, Ixxxix, 

 1913, p. 60. 



Tilapia sexfasciata, Pellegr., Bull. Mus. Paris, 1900, p. 276. 



Chromis discolor, Gunth., Proc. Zool. Soc., 1902, ii, p. 332. 



Tilapia latifrons, Bouleng., Trans. Zool. Soc., xvii, 1906, p. 571, 

 pi. xl. 



Teeth in 3 (young) to 5 more or less regular series, the outer 

 largest and separated from the others by a rather wide interspace. 



