Descriptions of Fishes from the Coast of Natal. 265 



S.AURIDA TUMBIL, Bl. 



Teeth, in rows on jaws, those of inner row longest, and the 

 surface of premaxillaries on which they are placed bevelled off so 

 as to look outwards ; teeth on mandibles more numerous than on 

 upper jaw and placed on a surface looking outwards and upwards ; 

 a small round patch on vomer, teeth on palatines in an outer double 

 row with a patch parallel to them of shorter teeth in three or four 

 rows ; a narrow central band of teeth on tongue. Depth of body 

 7^ times in total length excluding caudal, length of head 4 times. 

 Snout slightly obtuse equals interorbital width and the same length 

 as diameter of eye, which is 4f times in length of head. Interorbital 

 space concave, with a flat bony ridge on eyes ; upper jaw slightly 

 overlaps lower, maxillary extends to 1 times diameter of eye behind 

 orbits ; eyes with broad adipose lids. 



Dorsal 11 ; situated midway between point of snout and base of 

 caudal ; 2nd and 3rd rays longest, about f length of head, remainder 

 successively shortening. Adipose dorsal situated over posterior third 

 of anal. Pectorals f length of head. Ventrals 9 ; -^ length of head, 

 the inner rays longer than outer. Anal 10 ; anterior rays about 

 |- height of longest rays of dorsal, remainder slightly decreasing. 

 Caudal deeply forked, f length of head. Lat. 1. 54, keel most 

 developed on posterior third of body ; lat. tr. ^. 



Colour (of preserved specimen), yellowish grey above, yellow 

 below ; faint irregular dark spots on lateral line, outer superior ray 

 of caudal with three or four dark spots and end of lobes dark. 



One specimen, 173 mm. in length, from Mr. Eorner Eobinson, 

 Natal. 



FAMILY SCOMBKESOCID^. 



TYLOSURUS HIANS, C. and V. 



No asperities on tongue. Body strongly compressed, its breadth 

 less than half its greatest depth (sub-genus Athlennes of Jordan and 

 Fordyce) which is 14^ times in total length excluding caudal, length 

 of head 3f timee. Snout nearly 2^ times the length of rest of head ; 

 jaws long and slender, the upper strongly arched upwards at base so 

 that the mouth cannot be closed, in this region only small teeth are 

 present on either jaw ; eye large, nearly equals interorbital width 

 and 21 times in postorbital part of head ; maxillary entirely hidden 

 by preorbital, reaches to vertical of anterior third of orbits. Top of 



