THE CANADIAN ENTOMOLOGIST. 121 



above, antennre, legs and humeral region of elytra pitchy-red, anterior 

 thoracic angles riifescent. Elytra rather coarsely reticulate with unequal 

 areolce, dorsal series of punctures obsolete. .30 in. 



A. subfusaihis, Sharp. Oval, highly polished, black, prothorax 

 somewhat senescent, elytra fuscous, base and sides vaguely testaceous, 

 antennje and feet rufo-testaceous. Elytra sparsely finely punctulate, not 

 reticulate. .30 in. 



A. confinis, Gyll. Oblong-oval polished, nearly smooth, black, 

 elytra blackish, with rufescent sides, antennie and feet rufous, the femora 

 more or less piceous. Elytra hardly visibly punctulate, the dorsal series 

 irregular. .38 in. 



Group IV. Anterior claws of males simple. 



A. obtusatus, Say. Ovate, rather convex, black, shining, sides of 

 thorax rounded, more so in the S . Elytra with distinct dorsal series 

 confused behind, areolae rather large ; subapical and sublateral vittse 

 yellow. .30-.32 in. 



A. stagnhuis, Say. Broadly ovate, less convex, black, slightly 

 bronzed, shining, legs paler. Sides of thorax little rounded, strongly 

 margined. Elytra very finely reticulate, with submarginal yellow vitta on 

 apical half .40 in. 



A. puHciulatiis, Aube. Black, shining, regularly ovate, antennae, legs 

 and elytra ferruginous, disk darker. Thorax brassy, sides rufescent, finely 

 margined and nearly straight, the surface irregularly reticulate; elytra 

 finely punctulate, hardly visibly alutaceous, dorsal series rather obsolete, 

 but not irregular. .25 in. 



A. rdiadatus, Kirby. Ovate, black, legs ferruginous, elytra griseous, 

 with margins and epipleurte yellowish ; thorax fulvous, anterior and 

 posterior margins black, head rufous in front. Elytra with irregular 

 areoke, giving a somewhat scabrous effect. .30 in. 



A. gagates, Aube. Ovate, convex, shining, piceo-rufous, bronzed 

 above. Head in front and anterior angles of thorax red, sides of thorax 

 slightly rounded, rather strongly margined ; elytra finely and closely 

 reticulate, appearing punctulate towards the apex, dorsal series well 

 marked. .38 in. 



A. tristis, Aube. Elongate-oval, rather narrowed behind, tolerably 

 shining, pitchy-black ; thorax with anterior angles broadly fulvous, sides 

 slightly rounded, rather strongly margined and sinuate. Elytra rather 

 evidently coarsely reticulate, areolae small, dorsal series tolerably distinct 



