2SG CICHLID.^. 



B. Ciuidiil peduncle not or but slightly longer tlian deep ; pectoral usuiillv 

 shorter than head, rarely extending to vertical of origin of anal. 



i. Lips moderate. 

 D. XIII-XV 8-]0 ; A. Ill 6-8; Sc. 2.5-29 f|^; 



eye 3 to 3^ times in length of head . . . \2. H. strigigena, Pfeff., p. 290. 

 i). XIII-XIV (rarely XY) 9-11 ; A. Ill 8-10 ; 



9JL_3i 



So. 26-31 j^rjf ; eye 3^ to 4i times in length 



of head 13. 7/. moffatl, Casteln., p. 300. 



D. XIV-XA7 (rarely XIII) 8-12 ; A. Ill (rarely 



IV) 8-11; Sc. 28-36 jf^ ; eye 3^ to 4 times [p. 302. 



in length of head W. 11. desfonta'inesu, Lacep., 



D. XYII-XIX (;-9 ; A. IV-VI 6-9 ; Sc. 32- 



?>A 1 li., 15. //. a//wa!«?i, PoUegr., p. 305. 



2. Li|iR much developed, thick. 



D. XV-XVII S-10 ; A. Ill 7-8 ; Sc. 29- 



3-3-- 

 32 jT— p, 16. II. moeruensis, Blgr., p. 306. 



1. HAPLOCHROMIS LIVINGSTONII. 



ITemiclirom'iK livingstonii, Giinth. Proc. Zool. Soc. 1893, p. 625, pi. Ivi. fig. B. 

 PavalUap'm livingstonii, Bouleng. Proc. Zool. Soc. 1898, p. 145. 

 Astatotilajna Vmngstonii, Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 302. 

 JIdplochromis livingstonii, Bouleng. Ann. & Mag. N. H. (8) ii. 1908, p. 241. 



Depth of body nearly equal to length of head, 2f to 3 times in total 

 length. Snout with straight upper profile, 1\ to 2 diameters of eye, 

 which is 4 to 5 times in length of head, 1 to 1| times in interorbital 

 M'idth, and equal to or a little less than least depth of praeorbital ; lower 

 jaw slightly projecting ; mouth not extending to below anterior border 

 of eye ; outer teeth rather large, conical or indistinctly bicuspid in the 

 adult, bicuspid in the young, 44 to 60 in upper jaw, followed by 3 or 4 

 series of small conical or tricuspid teeth ; 4 series of scales on the cheek, 

 width of scaly part equal to or greater than diameter of eye. Gill- 

 rakers short, 11 or 12 on lower part of anterior arch. Dorsal XVI 

 10-11; spines increasing in length to the last, which measures | to f 

 length of head ; longest soft rays about \ length of head. Anal III 

 9-10; third spine as long as or a little shorter than last dorsal. 

 Pectorfil -i length of head. Ventral reaching vent. Caudal truncate 

 or slightly emarginate, scaly in the adult. Caudal peduncle slightly 



