PELMATOCHROMIS. 



387 



rounded, as long as broad, as long as eye, which is 3 to 3§ times in 

 length of head, equals or a little exceeds interorbital width, and much 

 exceeds prasorbital depth ; mouth large, extending to below anterior 

 third of eye ; teeth small, in 3 series, 52 to 60 in outer row of upper 

 jaw ; 4 series of scales on the cheek, width of scaly part equal to or a 

 little less than diameter of eye. Gill-iakers long and slender, 18 to 20 

 on lower part of anterior arch. Dorsal XIII 11 ; spines subequal from 



Fig. 261. 



Pelma toch rum in co ngicus. 

 Type. 



I- 



the fifth or sixth, nearly half length of head ; median soft rays produced 

 into filaments, longest a little longer than head. Anal III 8-9 ; third 

 spine nearly as long as and much stronger than longest dorsal. Pectoral 

 as long as head, extending to above origin of anal. Ventral prolonged 

 into a filament, reaching origin of anal or a little beyond. Caudal 

 peduncle deeper than long. Scales cycloid, 28-30 fj ; lateral lines j<pi3- 

 Olive, the centres of the scales yellowish ; a large black opercular spot ; 

 two rather indistinct dark lateral streaks; vertical fins blackish, with round 



