1246 REVISION OF THE GENUS HETERONYX. 



scarcely so wide as the elytra. Such statements as the last of 

 these are quite useless unless they be founded on exact measure- 

 ments. . I know no particular species that agrees with this descrip- 

 tion though it would come near fitting a good many. 



H. rubricepsj Blanch. Long. 6 lines. From Eastern Australia. 

 Prothorax said to be wider than elytra, and elytra almost flat, — 

 head appears to be conspicuously reddish, I have seen no large 

 species presenting these characters. 



II. rufo-rtiarginatus, Blanch. Long. 4J-5 lines. From Eastern 

 Australia. The conspicuously red margin of the elytra and pro- 

 thorax would seem to distinguish this species strongly from all 

 known to me. It is perhaps not unlike H. marginatus, Blackb., 

 following the description of which some remarks on it will be 

 found. 



