378 Transactions SoutJi African Philosopliical Society, [vol. xii. 



Clypeus emarginate ; elytra light testaceous with the 

 suture and the outer margin occasionally dark fuscous, 

 intervals not costate hchind, fifth and sixth strife united 

 behind discoidalis. 



Clj^eus emarginate, not tuberculate ; elytra light tes- 

 taceous with a basal triangular patch and the suture 

 fuscous proheR. 



Clypeus emarginate ; elytra light testaceous with a dorsal 

 longitudinal darker band, intervals costate behind, strife 

 7 and 8 united at apex iicregriniis. 



B'. Anterior tibise pluri-serrato above the digits. 

 C'. Head tuberculate. 



Clypeus sinuate in front, head with a curved horn in the 

 centre and a deep excavation in the anterior part of 

 prothorax in the male, and a distinct cephalic elevation 

 and no impression on the prothorax in the female ; 

 colour ferruginous red ; elytra costate, eighth and ninth 

 stria of equal length rhinoceros. 



Clypeus moderately deeply emarginate, and with a dis- 

 tinct transverse carina in the middle ; head distinctly 

 tri-tuberculate ; colour livid testaceous, darker on the 

 prothorax ; elytra very elongate, finely punctato-striate, 

 intervals plane iwocerus. 



Clypeus moderately emarginate, head with a distinct 

 median tubercle and three smaller ones disposed trans- 

 versely between the eyes ; head and prothorax almost 

 entirely fuscous ; elytra lutescent with the suture and 

 outer margin fuscous, punctato-striate, intervals plane, 

 punctulate iwoductus. 



Clypeus broadly emarginate and angular, sinuate 

 laterally, gense very prominent, head without a median 

 tubercle but with fliree minute tubercles near the base ; 

 head and prothorax almost entirely fuscous ; elj'tra 

 lutescent with the suture narrowly fuscous, intervals 

 plane, aciculate cunahilis. 



C Head not tuberculate. 



1)3. Clypeus not emarginate at tip. 



Clypeus almost straight at tip and with the angles 

 rounded, colour olivaceous with the sides of the pro- 

 thorax and the outer and posterior margins of the 

 elytra slightly testaceous, intervals of elytra plane, 

 impunctate, but costulate in the posterior part . . . . fitgitivus. 



Clypeus almost straight at tip and with the angles 

 rounded ; head and prothorax piceous, the latter with 

 a rufescent margin ; elytra testaceous red with a 

 broad sutural piceous band, intervals plane through- 

 out, impunctate dorsalis. 



