ACRJD1D.E. 681 



gated, hardly angular. Prosternal spine stout, elongate-conical, a litlle 

 broader than thick. Four anterior legs tawny above. Hind femora as 

 long as the abdomen, with three blackish patches above, and with three ou 

 the outer side, which is mostly tinged with red ; hind tibiae red, a little 

 shorter than the hind femora, their spines with black tips. Wings pellucid, 

 extending to the tip of the abdomen. Fore wings with many black spots 

 and dots, most of the spots forming a discoidal stripe ; veins tawny. Hind 

 wings with black veins. Length of the body 12 lines ; expansion of the 

 fore wings 20 lines, 

 a, b. Vancouver's Island. Presented by Dr. Lyall. 



13. CALOPTENUS EXTREMUS. 



Fcem. Fulvus, subtus leslaceus ; caput et prolhorax nigricante late 

 bivittata ; fastigium ellipticunt ; antennae apice picece ; prothorax 

 tricarinatus, subtilissime scaber, margine postico rotundato ; pro- 

 sterni spina albida, robusta, conica, subtransversa ; femora poslica 

 piceo bifasciata, abdomini aquilonga ; tibia posticce testacece ; alee 

 anticce cinerece, ferrugineo venosce, abdomine paullo breviores. 



Female. Tawny, moderately stout, testaceous beneath. Head and 

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

 tip of the vertex depressed, elliptical ; front thinly punctured, with four 

 well-defined keels ; inner keels parallel ; outer keels diverging towards the 

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

 tips. Prothorax 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. Prostemai spine whitish, stout, conical, slightly transverse. 

 Hind femora as long as the abdomen, with two irregular piceous bands; 

 hind tibiae testaceous, shorter than the hind femora, their spines black 

 towards the tips. Fore wings cinereous, a little shorter than the abdomen ; 

 veins ferruginous. Hind wings pale cinereous; veins black, white towards 

 the base and along the interior border. Length of the body 10 lines; ex- 

 pansion of the fore wings 15 lines. 

 a, b. Arctic America. Presented by Sir J. Richardson. 



14. CALOPTENUS ARCTICUS. 



Fcetn. Fulvus, gracilis, subtus testaceus ; caput et prothorax nigro late 

 bivittata, fastigio subeliiplico ; prolhorax brevis, subtilissime scaber, 

 disco piano subtricarinato, margine postico valde rotundato ; prosterni 

 spina conica, transversa t longiuscula ; alee cinerece, corpore perpaullo 

 breviores. 



Female. Tawny, slender, testaceous beneath. Head and prothorax 

 with a broad black stripe on each side. Head short, smooth ; tip of the 

 vertex depressed, subelliptical; front punctured, with four distinct keels; 

 inner keels parallel; outer keels diverging towards the face. Eyes sub- 

 elliptical, much rounded on the hind side. Prothorax short, very finely 

 scabrous, the stripe on each side extending to the fourth transverse line ; 

 disk flat, with three slight keels ; transverse impressed lines well defined ; 

 fore border nearly straight ; sides slightly rounded ; hind border much 



