1900.] Cataloyuc of the Coleoptera of South Africa. 379 



Clypcus bimihu' to that of dorsaUs ; colour feiTUgiuous 



red, intervals pUiuc. finely aciculate mashnnensis. 



D-. Clypcus with an arcuato deep emargination. 



Angles of the clypeal emargination acute ; head densely 

 pilose, concolorous like the prothorax and elytra ; 

 prothorax punctate, intervals of elytra convex, im- 

 punctate hirticeps. 



D". Clypeus bi-dcntate. 



Clypeus with a triangular tooth on each side of the 

 emargination ; head and prothorax not closely punc- 

 tate, piceous ; elytra red with a sutural and marginal 

 fuscous band, intervals plane, impunctate adnstus. 



A-. Body convex, intervals smooth, convex or carinate ; scutellum 



moderately long, acmninate Ammoecius. 



B-. Intervals of elytra not carinate. 



a--. Clypeus dentate on each side of the emargination. 



Intervals of elytra plane, punctate luguhris. 



Intervals of elytra convex, impunctate mimits. 



a\ Clypeus sharply spinoae on each side of the emargi- 

 nation. 



Intervals of elytra plane, impunctate dcntinus. 



B". Intervals of elytra carinate. 



a-. Clj-peus bi-spinose on each side of the emargination. 

 Anterior tibice not serrulate. 



Intervals of elytra tectiform armaticeps. 



a". Clypeus simply emarginate. 

 Anterior tibife serrulate. 



Intervals of elytra tectiform but carinate spcctdbihs. 



Intervals of elytra nearly plane but having a fine 



carina in the centre carinulatus. 



A'. Body a little elongate ; elytra with ten sharply carinate costal ; 



scutellum somewhat small, smaller than in Jjj/jodi«s .. .. Oxyomus. 



B-. Anterior tibiae serrate above the digits. 



Prothorax very closely aciculate ; cariuEe of elytra sharp, ( hadius. 

 intervals with a geminate, hardly punctate line [pygmmis. 



Carina; of elytra very sharp, and punctate on each side . . jucwuhdus. 



Prothorax deeply and closely punctate all over ; carinas of 

 elytra punctulate, very sharp, stria; with a geminate, dis- 

 tinctly punctate line sulcipennis. 



Carinse of elytra sharp only in the anterior half Jugalis. 



