516 



Annul* <if 1/ir l^nnlh African Museum. 



Chroniis flavii-josephi, Lortet, Arch. Mus. Lyon, iii, 1883, p. 141, 

 Il. viii, fig. 2. 



Hemichromis yiyHulii, Pfeff., Tliierw. O.-Al'r., Fisclie, p. '24- (1896). 



Paratilapia Uoyeti, Bouleug.. Proc. Zool. Sue., 1898, p. 143, and 

 Poiss. Bass. Congo, p. 418 (1901). 



Tilapia desfontainesii, Bouleug., Proc. Zool. Soc., 1899, p. 135, 

 pi. xi, fig. 3. 



Tilapia flavii-josephi, Bouleng, I.e. 



Paratilapia winyatii, Bouleug., Ann. and Mag. Nat. Hist. (7), x, 

 1902, ]>. 264. 



Astatotilapia desfontatnesii, Pellegr. Mem. Soc. Zool. France, xvi, 

 1904, p. 300, and xxii, 1910, p. 291. 



^SS^j^S 



l''iu. 131). H*t]il< r.ln-iiitiis desfuntainesii 



Tilapia (CtenocTiromis) sparsidens, Hilgend., Zool. Jalirb., Syst., 

 xxii, 1905, p. 408. 



Haplocliromis dex/nntnim'*!!, Bouleng., Fisli. Nile, p. 501, pi. xc, 

 fig. 3 (1907), and Ann. Mus. G-euova (3), v, 1911, p. 71, and Freshw. 

 Fish. Africa, iii, p. 302, fig. 205 (1915). 



Teeth, outer large, conical or more or less distinctly bicuspid in the 

 adult, usually bicuspid in the young, 30-60 in upper jaw, followed by 

 two or three series of small tricuspid teeth. Depth of body 2. ! 7 to 3J 

 times in total length excluding caudal, length of head 2~ to 3 times. 

 Head l- to twice as long as broad; snout with straight or slightly 

 concave upper profile, 1 to 1 i times diameter of eye, which is 3 to 

 4| times in length of head and equals or slightly exceeds interorbital 

 width ; least depth of preorbital | to once diameter of eye ; jaws 



