250 Annals of the South African Museum. 



mencing behind origin of anal, and is shorter and slightly lower 

 than the anal. Pectorals rounded, f length of head, originating 

 opposite 9th and 10th laminas of disk. Ventrals f length of head, 

 their length less than the distance between root of pectorals and 

 anterior margin of eye ; they are inserted below root of pectorals. 

 Anal 22 ; similar to soft dorsal. Caudal subtruncate, angles 

 rounded, f length of head. 



Colour (of preserved specimen), whitish brown. 



One specimen, 174 mm. in length, from Durban. 



ZEUS CAPENSIS, C. and V. 



Depth of body twice in total length excluding caudal, length of 

 head 2f times. Snout 1^ times diameter of eye, which is a little 

 more than 1-| times interorbital width and 3-J times in length of 

 head. Cleft of mouth very oblique, lower jaw projects beyond 

 upper, maxillary reaches to vertical-of posterior nostril ; 13 bony 

 plates, each with a single spine, along base of soft dorsal, 11 along 

 base of anal ; 8 bony plates between ventral and anal, the first being 

 median in position the others paired one on each side. 



Dorsal x 23 ; spinous membranes filamentous ; 4th spine longest, 

 nearly -J length of head, remaining spines decreasing posteriorly, the 

 last two being very short ; soft rays very short anteriorly, increasing 

 posteriorly to - height of longest spine. Pectorals nearly ^ length 

 of head. Ventrals over f length of head, reaching to origin of anal. 

 Anal iv 21 ; 2nd spine longest, about |- height of longest spine of 

 dorsal ; soft rays low anteriorly, increasing posteriorly to about 

 same height as longest rays of soft dorsal. Caudal nearly f length 

 of head, truncate. Scales small. 



Colour (of preserved specimen), brownish white; a dark spot a 

 little smaller than eye occurs on the body below the posterior spines 

 and just over the lateral line. 



One specimen, 293 mm. in length, from Durban Museum. 



FAMILY TEACHINID^. 



LATILUS ARGENTATUS, C. and V. 



Teeth, canines on posterior half of each jaw, the last tooth on 

 upper jaw strongest. Depth of body about 3^ times in total length 

 excluding caudal and about equal to length of head. Snout about 



