BY J. DOUGLAS OGILBY. 55 



d. Soft dorsal rays subequal ; occiput smooth or 

 nearly so (Aspidontus*). 



d^. Some of the soft dorsal rays filamentous ; 

 occiput mth an elevated crest {Gyneichthys'\). 

 6^-. Dorsal fin more or less continuous -udth the caudal 



ii. Enchelyurus{ 

 a^ . Canine teeth in the lower jaw only ; mouth inferior 



iii. Macrurrhynchus§ 

 a^. No canine teeth. 



e. Mouth terminal . . . . Runula|| 



ei. Mouth inferior . , . . . . RunulopsIT 



* Aspidontus Quoy & Gaimard 



t Gyneichthys ; nom. nov. ; {anolius). Kvvet], a helmet ; ^X^^^' ^ ^^h. 



I Enchelyurus Peters, Mon. Akad. Berlin, 1868, p. 268 {fiavipes). 



§ Macnirrhynchus Ogilby, Proc. Linn. Soc. N.S Wales, xxi, 1896, p. 

 136 {niaroubroe). 



II Runula Jordan. 



^ Runnlops ; nom. nov. ; founded on two South American species 

 described by Jenyns. 



