280 CICIILID.^^. 



13. Cuuthil peduncle not or but slightly longer tliiin deep ; pectoral usually 

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



1. Lips moderate. 



D. XIII-XV 8-10 ; A. Ill 6-8; So. 25-29 '^^; 



eye 3 to 3^ times in length of head . . . \2. H. strigigena, Pfeft'., p. 299. 



D. XIII-XIV (rarely XV) 9-11 ; A. Ill 8-10 ; 

 2i_3i 

 Sc. 26-31 fnijf ; eye 3^ to 4^ times in length 



of head 13. //. moffati, Casteln., p. 300. 



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



IV) 8-11; Sc. 1^8-36 j|^ ; eye 3^ to 4 times [p. 302. 



in length of head 14. //. desfontainesii, Lacep., 



I). XVII-XIX i:,-^ ; A. IV-VI 6-9 ; Sc. 32- 



34 1 i_io 15. //. a//imH(?i, Pellegr., J). 305. 



2. Lips much developed^ thick. 



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



32 jW:) 16. H. moeruensis, Bigr., p. 306. 



1. HAPLOCHROMIS LIVINGSTONII. 



ITem'ichromis living stonii,, Giinth. Proc. Zool. Soc. 1893, p. 625, pi. Ivi. fig. B. 

 Paradlapia limngstonii, Bouleng. Proc. Zool. Soc. 1898, p. 145. 

 Astatotilapia living stonii, Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 302. 

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



Depth of body nenrly equal to length of head, 2J 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 

 width, and equal to or a little less than least depth of pra?orbital ; lower 

 jaw slightly projecting ; mouth not extending to below anterior border 

 (jf 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 -g^ to f 

 length of head ; longest soft rays about \ length of head. Anal 111 

 0-10; third spine as long as or a little shorter than last dorsal. 

 Pectoral \ length of head. Ventral reaching vent. Caudal truncate 

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



