1900.] Catalogue of tJie Goleoiotera of South Africa. 455 



Clypeus sharply acuminate at tip ; elytra a little 



ampliate past the middle, tufts of hairs brownish . . nmmiscus. 



Clypeus somewhat blunt at tip ; elytra ampliate 

 past the middle, walls of median furrow not inter- 

 rupted liorridus. 



Walls of median furrow interrupted aculeatus. 



c^ Anterior tibiae without basal tooth or serration. 



Clypeus sharply acuminate ; elytra narrowed late- 

 rally in front and distinctly ampliato-ovate from 

 before the median part nasiitus. 



C^. Intermediate and posterior tibiee serrate, quadrangular 

 {Trox). 

 a^. Elytra with ten series of tubercles or carinse, 



the alternate ones of which are more raised than the 



otliers. 



Elytra costulate; interstices with a single row of 



fovese ; cost^ with a few small fascicles of hairs . . iJenicillatus. 



Elytra with nearly equal series of closely set, not 

 much raised tubercles, interstices with two raised 

 lines interrupted by transverse impressions ; anterior 

 tibise with a very strong serration luridtts. 



Elytra with alternate series of tubercles not closely 

 set, and much more raised than the others ; anterior 

 tibi^ not strongly serrate sulcatus. 



A\ Mesosternum and metasternum not projecting between the 



intermediate coxse. 

 . B^ Scutellum narrowed at base, shaped like a lance-head. 



C^ Intermediate and posterior tibiae distinctly serrate, 

 quadrangular [Omorgus). 

 D\ Head with two sub-contiguous tubercles. 



a^. Prothorax with a longitudinal carina in the median 

 part of the base ; elytra elongate. 



h^. Elytra with the tubercles very elongate, and the 

 rows of nearly the same height, third and fourth 

 more costate than the others. 



-,,-,.,,, ,. , , , {incultus. 



Head with two median tubercles i , , ,. 



{melanciiolicus. 



Head with two median tubercles and a distinct 



longitudinal ridge above them consanguineus. 



a\ Prothorax without a longitudinal carina in the 



median part of the base. 

 63. Elytra with the alternate rows formed by round 



tubercles. 



