476 CICHLLD^E. 



two-fifths the length of the head; longest soft rays half to two-thirds the length 

 of the head. Anal fin with 3 spines and 8 or 9 soft rays ; third spine as long as or 

 nearly as long as and stronger than the longest dorsal spines. Pectoral fin acutely 

 pointed, as long as or a little shorter than the head, extending a little beyond the 

 origin of the anal fin. Ventral fin reaching the vent or the anal fin. Caudal fin 

 truncate. Caudal peduncle once and one-third to once and a half as long as deep. 

 Scales feebly denticulate, 33-40 ^^ ; lateral lines jfz&. 



Greyish or olive above, silvery white beneath ; indistinct traces of darker cross- 

 bands sometimes present; a feebly marked dark opercular spot; a dark bar may be 

 present below the eye ; dorsal and caudal fins grey, the soft part of the former and the 

 upper half of the latter with round darker spots ; ventrals and anal yellow in the 

 females ; ventrals black in the male, anal red with two or three orange ocellar spots 

 in its posterior part. Iris dark grey above, whitish below; a bright yellow circle 

 round the pupil. 



The largest specimen measures 140 millimetres. 



This species inhabits Lake Victoria. It was established on a single specimen from 

 Kavirondo Bay (Alluaud Collection, 1904). Mr. Degen obtained six specimens at 

 Bunjako (5-14.11.05) and three at Entebbe (20.6-11.7.05). 



6. PAIiATILAPIA GRANTI. 

 (Plate LXXXVU. fig. 4.) 



Haplochromis granti, Boulenger, Ann. & Mag. N. H. (7) xvii. 1906, p. 446. 



Depth of body equal to or a little greater than the length of the head, which is twice 

 and three-fourths to three and one-fourth times in the total length. Body deepest at 

 the nape. Upper profile of head forming a strong curve; snout broad, much deeper 

 than long, as long as the eye, which is three and a half to three and two-thirds times 

 in the length of the head, equals the interorbital width and once and one-fourth to 

 once and a half the least width of the praeorbital ; lower jaw not projecting ; mouth 

 nearly horizontal or slightly oblique, extending to below the anterior border of the eye, 

 or not quite so far ; teeth in six to eight series in both jaws, outer largest and numbering 

 30 to 50 in the upper jaw, all conical or some of the smaller tricuspid in the adult, some 

 of the outer flattened and more or less distinctly bicuspid in the young ; three or four 

 series of scales on the cheek, the depth of the scaly part below the eye equal to the 

 diameter of the eye ; large scales on the opercle. Gill-rakers short, 8 or 9 on lower 

 part of anterior arch. Dorsal fin with 15 to 17 spines and 8 or 9 soft rays; spines 

 equal in length from the seventh or eighth, two-fifths to half the length of the 

 head; longest soft rays half to two-thirds the length of the head. Anal fin with 



