ACR1D1D,E 



679 



carinatus, margins postico subproduclo valde rotundato ; prosterni 

 spina pallide lestacea,robiista, longi-conica ; femora poslica abdomine 

 paullo longiora, exttis albida nigra biserialim strigala, inius nigro 

 univiltala, sublus rvfescenlia ; tibia postica rtifce nigro-spinoscB ; uI<b 

 anliccB cinerea, corpore breviores, vitta discoidali e gullis nigris. 



Female. Tawny, rather slender. Head and prothorax with two broad 

 black stripes (which include a few tawny dots) and with two intermediate 

 black lines. Head smooth, moderately long; tip of the vertex depressed, 

 subelliptical; keels slight ; inner keels converging towards the face ; outer 

 keels diverging. Eyes very much rounded on the hind side. Antennae 

 piceous towards the tips. Prothorax finely punctured, widening slightly 

 hindward; disk nearly flat, with three slight keels; transverse impressed 

 lines distinct ; fore border nearly straight ; sides rounded ; hind border 

 much rounded, slightly elongated, occasionally with blackish lines. Pro- 

 sternal spine pale testaceous, stout, elongate-conical. Hind femora a little 

 longer than the abdomen, whitish, and with two rows of black streaks on 

 the outer side, with a black stripe on the inner side, reddish beneath ; hind 

 tibia; red, a litlle shorter than the hind femora ; spines black. Fore wings 

 cinereous, rather shorter than the body, with an abbreviated discoidal stripe 

 composed of black dots; veins tawny. Hind wings pellucid; veins white, 

 black along the costa and at the tips. Length of the body 11 lines; ex- 

 pansion of the fore wings 22 lines. 



a. U. States. Presented by F. Walker, Esq. 



b. Vancouver's Island. Presented by Lieut. Col. Hawkins. 



10. Caloptenus bilituratus. 



Foem. Pallide JIavus, sat gracilis, nonnunquam rufo varius ; caput el 

 prothorax nigro bivittata ; fastigium fusiforme ; palpi apice nigri ; 

 prothorax brevis, tricarinatus, subtiliter punctalus, margine postico 

 vnlde rotundato ; prosterni spina rolmsta, coiiica, vix transversa; 

 femora poslica abdomine paullo longiora^ extus nigro bistrigata ; alee 

 anticce pallide cinerea, corpori aquitongce, nigro maculatte. 



Female. Pale yellow, rather slender, sometimes tinged with red. 

 Head and prothorax with two broad irregular black stripes, which extend 

 from the eyes to the fourth transverse line of the prothorax. Head smooth ; 

 tip of the vertex depressed, subfusiform; front with four distinct keels; 

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

 ginous, straight in front, much rounded on the hind side. Palpi with black 

 lips. Prothorax short, subsellate, finely punctured, widening hindward; 

 disk flat, with three slight keels; tiansverse impressed lines distinct; fore 

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

 Proslernal spine stout, coniciil, hardly broader than thick. Hind femora a 

 little lonfjer than the abd(imen, with two oblique interrupted black streaks 

 on the outer side ; hind tibia" a little shorter than the hind femora ; spines 

 black. Wings pale cinereous, as long as the body. Fore wings with 

 several irregular black spots in the disk; veins mostly whitish. Length of 

 the body 10 lines; expansion of the fore wings 22 lines. 



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



