90 STUDY OF THE MEMBRAClDJi. 



Sertorius, and is synonymous with decisus, Walk. Hab. — Port 

 Jackson. 



(?) C. rufiventris, Walk. — ^. Long. corp. 6 mm. Ferruginous, 

 with thin, shining pubescence. Head minutely punctured, 

 bordered, a black spot on each side between eyes and ocelli. 

 Prothorax roughly punctured, inclined backward, a distinct 

 median carina; lateral horns stout, conical, prismatic, diverging, 

 slightly ascending, black toward tips [mutilated in the type]; 

 posterior process slender, armed with two erect, high, compressed, 

 conical, acute bumps, one at base, the other at middle; reaching 

 tip of abdomen. Tegmina pale fulvous, punctured at base. 

 Abdomen bright red, punctured, blackish towards base beneath. 

 Legs ferruginous, femora striped with black. Hab. — More ton 

 Bay. 



C?) C. decisus, Walk. — ^. Long. corp. 8 mm. Piceous. Pro- 

 thorax roughly punctured, a slight median carina; lateral horns 

 thick, prismatic, ascending, slightly diverging, conical, tips much 

 rounded; posterior process far passing apex of abdomen, slightly 

 curved, gradually attenuated to apex; sides of scutellum and chest 

 tawny-pubescent. Tegmina lanceolate, piceous and punctured 

 at base, ferruginous at base of costal border, veins ferruginous. 

 Abdomen dark red, piceous at apex. Synonymous with acan- 

 thaspis, Fairm. Hab. — New South Wales. 



