LEPIDOPTERA HETEROCEEA. 337 



Male. Cinereous-blackish, cinereous beneath. Palpi obliquely 

 ascending, thickly fringed, rising a little higher than the vertex ; 

 third joint very short. Antennae stout, very minutely setulose. 

 Fore wings cinereous, acute, with several transverse irregular brown 

 lines, which are dilated on the costa ; a middle broad irregular 

 brown band ; costa and exterior border straight, the latter mode 

 rately oblique. Hind wings cinereous. Length of the body 3 lines; 

 of the wings 7 lines. 



a. Arctic America. Presented by Sir J. Kichardson. 



30. SCIAPHILA IMPROBANA. 



Mas. Nigricans, subtus cinerea ; alee anticce elongates, sericece, 

 apice subrotundatce, nigricante strigatce et conspersce, plagis 

 duabus obliquis nigricaniibus ; posticce ceneo tine ice, fimbria 

 pallide cinerea interlineata. 



Male. Blackish cinereous. Abdomen, hind wings and under 

 side dark cinereous. Palpi shorter than the breadth of the head; 

 second joint fringed; third elongate-conical, about one-fourth of 

 the length of the second. Antennae very minutely setulose. Wings 

 elongate. Fore wings sericeous, slightly rounded at the tips, mi- 

 nutely and transversely streaked and speckled with blackish ; two 

 blackish oppositely oblique patches; one extending from the disk to 

 one-third of the length of the interior border, concise on the outer side ; 

 the other in the exterior disk, extending towards the interior angle ; 

 costa straight; exterior border slightly convex, moderately oblique. 

 Hind wings tinged with aeneous ; fringe pale cinereous, interlined. 

 Length of the body 4 lines ; of the wings 10 lines. 



a. St. Martin's Falls, Albany River, Hudson's Bay. Presented by 

 Dr. Barns ton. 



31. SciAPHILA? AFFLICTANA. 



Mas. Obscure cinerea ; alee antiea acutce, nigra transverse stri- 

 gata?, fascia media nigricante subobliqua, lituris discalibus 

 interioribus nigris. 



Male. Dark cinereous. Palpi porrect; third joint conical, 



less than one-fourth of the length of the second. Abdomen extend- 



.' ing somewhat beyond the hind wings. Fore wings acute, minutely 



and transversely streaked with black, with a blackish regular slightly 



oblique middle band ; a few small black marks in the disk near the 



F 2 



