486 CICHLIDJE. 



two and a half to two and three-fifths times. Head very large, body deepest at the 

 nape. Snout with slightly convex upper profile, about twice as long as the eye, which 

 is five to five and a half times in the length of the head, once and one-third to once 

 and a half in the interorbital width, once and one-third to once and a half in the 

 depth of the scaly part of the cheek below the eye ; lower jaw strongly projecting, the 

 chin pointed ; mouth large, very oblique, maxillary not extending quite to below the 

 anterior border of the eye ; teeth all conical, or a few of the inner tricuspid, in four or 

 five series in both jaws 5 outer largest and strongly curved ; five or six series of scales 

 on the cheek ; large scales on the opercle. Gill-rakers moderately long and stout, 

 7 to 9 on lower part of anterior arch. Dorsal fin with 15 or 16 spines and 8 to 10 

 soft rays ; spines increasing in length to the last, which measures about one-third the 

 length of the head ; longest soft rays about half the length of the head. Anal fin with 

 3 spines and 8 or 9 soft rays ; third spine longest, as long as or a little shorter than 

 the last dorsal. Pectoral fin three-fifths to two-thirds the length of the head, not 

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

 Caudal peduncle once and one-fourth to once and a half as long as deep. Scales 

 denticulate, 37-45 y^Tq > lateral lines y&a3- 



Yellowish olive above, more or less profusely spotted or speckled with black, silvery 

 white beneath ; a small black opercular spot ; dorsal fin grey, with round whitish 

 spots ; caudal fin with round dark grey spots with whitish interspaces ; pectoral fin 

 greyish ; ventral and anal fins yellow, the latter sometimes with two or three large 

 orange oceliar spots edged with red. 



The largest specimen measures 200 millimetres. 



This species was established on a single specimen from Lake Victoria in the 

 collection of the late Dr. G. A. Fischer. It was rediscovered in the same lake by 

 Mr. E. Degen, who brought home seven specimens from Bunjako (5-14.11.05) and 

 one from Buganga (15.11.05). 



2. PELMATOCHROMIS SPEKII. 



(Plate LXXXVIII. fig. 2.) 



Boulenger, Ann. & Mag. N. H. (7) xvii. 1906, p. 440. 



Depth of body twice and two-thirds to three and one-fourth times in the total 

 length, length of head twice and two-thirds to twice and four-fifths. Head large, with 

 straight or slightly concave upper profile ; snout once and one-fourth (young) to twice 

 and a half as long as the eye, which is three and a half (young) to six times in the 

 length of the head, four-fifths (young) to once and a half in the interorbital width, 

 once (young) to twice the depth of the scaly part of the cheek below the eye; lower 



