225 



smooth ; tip of the vertex depressed, fusiform ; front tawny, thinly punctured, 

 with four well-defined keels; inner keels parallel; outer keels diverging 

 toward the face. Eyes livid, much rounded on the hind side. Antennre 

 tawny, piceous toward the tips ; longer than the head and pronotum together. 

 Pronotum very finely scabrous, slightly widening hindward ; disk nearly flat, 

 with three slight keels; transverse-impressed lines distinct; fore border 

 straight; sides slightly rounded; hind border more rounded. Prosternal 

 spine conical, thick, broader, and more obtuse in the female than in the male. 

 Legs tawny ; hind femora as long as the abdomen, with three irregular piceous 

 bands, red beneath ; hind tibiae red, shorter than the hind femora ; spines 

 black ; hind tarsi red. Elytra tawny, shorter than the abdomen, with some 

 small indistinct piceous spots ; veins piceous. Wings pellucid-cinereous ; 

 veins whitish, black along the costa and toward the tips. In the male, the 

 pronotum has a testaceous oblique streak on each side in front. 



Length of body, 0.75 to 0.93 inch; expansion of elytra, 0.83 to 1.17 

 inches. 



Saint Martin's Falls, Albany River, Hudson's Bay (Walker). 



C exfreiMiis, Walk., Cat. Dermap. Salt., IV, 681. 



Female. — Tawny, moderately stout, testaceous beneath. Head and pro- 

 notum with a broad, blackish stripe on each side. Head short, smooth ; tip 

 of the vertex depressed, elliptical ; front (face) thinly punctured, with four well- 

 defined keels; inner keels parallel; outer keels diverging toward the face. 

 Eyes very much rounded on the hind side. Antennae piceous at the tips, 

 Pronotum very finely scabrous, slightly widening hindward ; disk nearly flat, 

 with three slight keels ; transverse-impressed lines well defined ; fore border 

 nearly straight; sides slightly rounded; hind border more rounded. Pro- 

 sternal spine whitish, stout, conical, shghtly transverse. Hind femora as long 

 as the abdomen, with two irregular, piceous bands ; hind tibise testaceous, 

 shorter than the hind femora, their spines black toward the tips. Elytra 

 cinereous, a little .shorter than the abdomen ; veins ferruginous. Wings 

 pale-cinereous ; veins black, white toward the base and along the anterior 

 border. 



Length of body, 0.83 inch ; expansion of elytra, 1.25 inches. 



Arctic America (Walker). 

 29 A 



