PELMATOCHBOMIS. 489 



increasing in length to the last, which measures one-third the length of the head ; 

 longest soft rays a little more than half the length of the head. Anal fin with 3 spines 

 and 8 soft rays ; third spine longest, a little shorter than the last dorsal. Pectoral fin 

 three-fourths the length of the head, not reaching the origin of the anal. Ventral fin 

 reaching the vent. Caudal fin rounded. Caudal peduncle once and a half as long as 

 deep. Scales denticulate, 31 ^ \ lateral lines ^. 



Yellowish, tinged with orange on the sides, with four broad olive-brown cross-bands 

 on the upper half of the body ; an interrupted dark streak on each side from above the 

 gill-cover to the base of the tail ; head speckled with brown ; an angular olive-brown 

 band, pointing backwards, from eye to eye on the occiput ; a broad blackish band from 

 below the anterior half of the eye to the mouth ; a blackish vertical bar on the 

 prseoperculum ; an oblique blackish bar, involving the opercular spot, behind the gill- 

 cover ; fins bright yellow, the ventrals black on the outer side ; two large round orange 

 spots, encircled with red, on the posterior part of the anal fin. 



Measurements (in millimetres). 



Total length 145 



,, „ (without caudal) . 120 



Greatest depth of body 39 



Length of head * 41 



Width of head 19 



Length of snout 13 



Diameter of eye 8 



Interorbital width 10 



Length of last dorsal spine . . . 13 



,, longest soft dorsal ray 23 



„ third anal spine 12 



„ longest soft anal ray 20 



,, pectoral 32 



A single specimen was obtained in Lake Victoria, at Buganga, by Mr. E. Degen, 

 15.11.05. 



