160 Proceedings of the Royal Society of Victoria. 



E. — Punctures on disc of pronotum 

 much less close than in austra- 

 lis, Har., not becoming fine and 

 closer in front ; head smooth. 

 F. — Sides of pronotum very nitid and 

 deeply punctured, with a large 

 unpunctured space. 

 G. — Interstices of elytral striae 

 unusually wide and but 

 little convex - - tweedensis, Blackb. 

 GG. — Interstices of elytral striae 

 much narrower and much 

 more convex - - - nudus, Blackb. 

 FF. — Sides of pronotum much less 

 nitid, less deeply and much 

 more evenly punctulate. 

 G. — Form unusually convex and 



oval ----- gibbus, Blackb. 

 GG. — Form much more depressed 



and parallel - - macilentus, Blackb. 



EE. — Punctures on disc of pronotum 

 closer (after the manner of aus- 

 tralis, Har.), becoming more 

 conspicuously close in front ; 

 head usually granulate. 

 F. — Head entirely and veiy coarsely 

 granulate (inner side of ely- 

 tral interstices strongly crenu- 

 late) - - - - goyderensis, Blackb. 



FF. — Head much less coarsely and 

 not entirely granulate, or non- 

 granulate. 

 G. — Inner side of elytral inter- 

 stices deeply crenulate. 

 H. — Form short, subovate, 

 strongly con%'ex ; punc- 

 tures of pronotum not 

 becoming much finer in 

 front - . - - spissus, Blackb. 



