168 Annals of the South African Museum. 



duced, 2^ times diameter of eye, which is 5 times in length of head 

 andi interorbital width ; lips very thick and fleshy, maxillary reaches 

 to vertical of posterior nostril, which is elongate and close to upper 

 anterior angle of eye ; suprascapula much larger than a scale and 

 indistinctly striated, a series of striated scales curves upwards from 

 it to the occiput, and a similar series from upper angle of preoper- 

 culum to crown of head. 



Dorsal xi 13 ; spines flexible, and received into a groove at the base ; 

 4th spine longest, -| length of head ; soft portion of fin much lower 

 than spinous and with base of rays covered with scales. Pectorals 

 1 times length of head, the 5th and 6th rays produced and reaching 

 much beyond origin of anal, to about in line with base of 3rd ray. 

 Ventrals about -J- length of pectorals, reaching to vent. Anal iii 11 ; 

 2nd spine strongest and longest, T 7 D length of longest dorsal spine, 

 base of soft portion of fin covered with scales. Caudal eniarginate, 

 covered with scales. Scales cycloid ; lat. 1. 62, and 6 on caudal fin in 



addition, lat. tr. V* 



18 



Colour, seven broad dark cross-bands on body, their breadth about 

 equal to the distance between them ; dorsal, anal, and ventrals 

 blackish. 



One specimen, 286 mm. in length, from Mr. Eobinson, Natal. 



LETHEINUS SCOPAEIUS, n. sp. 

 (Scavenger.) 



Teeth, 4 small canines in front on either jaw ; lateral teeth in jaws 

 near front pointed, posteriorly the last few with rounded crowns and 

 larger in upper jaw. Depth of body 2f times in total length exclud- 

 ing caudal, length of head 3 times. Snout 2^- times diameter of eye, 

 which is about 1^ times in interorbital width and 4 times in length 

 of head. Snout pointed ; cleft of mouth lateral ; maxillary reaches 

 to vertical of anterior nostril ; operculmn with a flat, broad, incon- 

 spicuous spine ; preorbital about 1^ times diameter of eye in height, 

 concealing maxillary bone ; head, lower jaw, and preoperculum with 

 numerous fine pores ; nape slightly gibbose, profile of head descend- 

 ing obliquely in a nearly straight line to point of snout. 



Dorsal x 9 ; spines flexible, increasing in length to 3rd, which is 

 about -f- length of head and slightly longer than longest ray. Pec- 

 torals, first rays longest, nearly the length of the head and reaching 

 to in line with 3rd spine of anal. Ventrals nearly -| length of head 

 and reaching to vent. Anal iii 8 ; spines moderately strong, 3rd 

 slightly longer than 2nd, nearly as long as soft rays and about f 



