284 CJCHLID.^. 



10. HAPLOCHROMIS. 



Ilaplocliromis, PfefF. Sitzb. Ges. naturf. Fr. Berlin, 1888, p. 76 ; Bouleng. Fishes 



Nile, p. 495 (1907). 

 Ctenocliromis, part., Pfeff. Jalirb. Hamb. Wiss. Anst. x. 1893, p. 149, and Tliierw 



O.-Afr., Fische, p. 14 (1890). 

 Paratilajjia, part., Bouleng. Proc. Zool. Soc. 1898, p. 137, and Poi^s. Bas^. Congo, 



p. 412 (1901). 

 Tila/>ia, part., Bouleng. Proc. Zool. Soc. 1899, p. 105, and Pui.ss. Bass. Oongo, 



p. 452. 

 Asfatotilapia, Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 299. 

 Astatoreocliromls, Pellegr. i.e. p. 384. 



Body short or moderately elongate ; scales ctenoid ; two incomplete 

 lateral lines. Teeth in 2 or more series, the outer conical or bicuspid, 

 the inner usually tricuspid ; maxillary bone exposed at the end when 

 the mouth is closed. Dorsal fin with 13 to 19 spines, anal with 3 to 6. 

 Vertebra 28-32 *. 



Africa and Syria. 



Under this genus are grouped a number of allied species which vary 

 to such an extent in their dentition that some specimens might be 

 referred to T'dapa and others to Paratilapia. 



Synopsis of the Species. 



I. Caudal fin truncate or slightly eniarginate. 



A. Teeth in 4 to 7 series; caudal ])eduncle not or but slightly longer than 

 (leeji ; pectoral fin as long as head or a little shorter. 

 1. Mouth not extending to below anteiior border of eye ; 11 or 12 gill- 

 rakers on lower part of anterior arch. 

 D. XVI 10-11 ; A. Ill £-10 ; Sc. 33-36 y^ ; 

 lower jaw slightly projecting ; depth of body 

 2^ to 3 times ill total length 1. //. //c/nr/y/o/)//, Gthr., p 286. 



* Vertebno : — 



ia4-l-5 = 2S. //. moffciti. 



];i4.17 = ;30. JL nrKjKstifronii. 



14+15 = 25). //. dei^fontidiiesil, //. iillnaicll. 



14-f-lG = l»i). //. <lcsfoiitaine.ni, II. cdlnaidil, IF. moertiens'is, 



14 + ) 7 = ;^1 . //. ishmaeli. 



15+16 = i''l. //. (lrsfo)il((!nesii, II. inlDiuieVt., II. iiti.cJiisqKanui/ddfs, 



If. voinslns. 



1 ,")-(- 17 = -'>2. //. iiih,iia,!i. 



