326 Transactions South African Philosophical Society, [vol. xiii. 



a 1 . Base of prothorax emarginate above the 

 scutellum. 



Last joint of palpi cylindrical ; maxillae in- 

 ermous; hind tarsi short, joints triangular, very 

 hairy Rhinocceta. 



Last joint of palpi obliquely truncate; upper 

 lobe of maxillae strongly hooked ; hind tarsi 

 short, joints triangular, moderately densely 

 hairy Lijpoclita. 



C 3 . Clypeus differently shaped in both sexes. 



Basal joint of hind tibiae longer than the second, 

 sharply spinose on each side. 



a 2 . Base of prothorax arcuate above the scutellum. 



Upper maxillary lobe with two inner sharp 



teeth; elytra costulate Hypselogenia. 



a 1 . Base of prothorax hardly emarginate above the 

 scutellum. 



Upper maxillary lobe bluntly bifid ; elytra non- 



costate Goliathus. 



C 2 . Clypeus similar in both sexes, quadrate, outer 

 angles sharp. 



Basal joint of hind tibiae not longer than the 

 second, angular outwardly. 



Base of prothorax hardly sinuate above the 

 scutellum ; upper maxillary lobe inermous, last 

 joint of palpi long, cylindrical, truncate at tip . . Hcematonotus. 



C 1 . Clypeus very sharply acuminate towards the apex 

 and incised there. 



Antennal club of 3 shorter than the pedicel, and 

 anterior tibiae uni-dentate in the 3 , bi-dentate in 

 the ? >.. Phoxomela. 



A 1 . Basal joint of hind tarsi spinose outwardly in the ? only. 

 Body less massive, suture raised and sub-carinate in the 

 apical part. 



Base of prothorax straight above the scutellum. 



Clypeus elongate-ovate, deeply emarginate in front ; 

 antennal club of 3 as long as the pedicel. 



Body slightly convex Micrelaphinis. 



Body depressed Dulcinea. 



Clypeus ampliate-ovate, antennal club of <? not as long as 

 the pedicel. 



Body massive . . . . . . . . . . . . . . . , . , , . Atrichelaphinis. 



