:iS4: CJCHLID.E. 



10. HAPLOCHROMIS. 



IlapIocJiromis, Pfeff. Sitzb. Ges. iiaturf. Fr. Berlin, 1888, p. 76 ; Bouleng. Fishes 



Nile, p. 495 (1907). 

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



O.-Afr., Fische, p. 14 (189G). 

 Paratilajiia, part., Bouleng. Proc. Zool. Soc. 1898, p. 137, and Poiss. Bass. Congo, 



p. 412 (1901). 

 Tilapia, part., Bouleng. Proc. Zool. tSoc. 1899, p. 105, and Poiss. Bass, fiongo, 



p. 452. 

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

 AstatoreocJtromis, Pellegr. t. c. 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. 

 A'ertebree 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 TilajJ/a and others to Paratilajpia. 



Si/noj)sis of the Species. 



I. Caudal fin truncate or slightly cmarginate. 



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

 dec]) ; pectoral fin as long as head or a little shorter. 

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

 rakers on lower part of anterior arcli. 



D. XVI 10-11 ; A. Ill £-10 ; Sc. 33-36 ■*"■' 



lower jaw slightly projecting ; depth of body 



23 to 3 times ill total length 1. //• /m»<7.';^w)n, flthr., p 28f). 



* Vertebrie : — 



ia + 15 = L'8. //. moffati. 



] 15 + 17 = 30. H. anffiisiifron.i. 



14+15 = 20. //. desfontidnesli, II. alluaurli. 



14+16 = 30. //. desfontainesii, If. allaaudi, IT, moeruensia, 



14 + 17 = 31. //. ishmaeli. 



15+16 = 31. H, des/ontaine.iH, 11. ishnaeli, II. nwhiiquamulatus, 

 II. vnmstus. 



15 + 17 = 32. //. ishmaeli. 



