LEPIDOPTERA HETEROCERA. 291 



with a few small transverse black streaks towards the exterior bor- 

 der ; fringe cinereous, darker towards the base ; costa almost straight ; 

 exterior border slightly convex, moderately oblique. Hind winirs 

 cinereous ; fringe long, very long towards the interior border. 

 Length of the body 4 lines ; of the wings 12 lines. 



a, b. St. Martin's Falls, Albany Eiver, Hudson's Bay. Presented 

 by Dr. Barnston. 



45. Teras pulverosaxa. 



Mas. Obscure cinerea ; alee anticce subacute?, nigricante con- 

 spersce, strigulis transversis indisiinctis fuscis, lineis duabus 

 nigricantibus obliquis diffusis denticulatis ; posticce pal- 

 lidiores, strigulis zulde indisiinctis. 



Male. Dark cinereous, paler beneath. Palpi porrect, shorter 

 than the breadth of the head ; third joint conical, less than one 

 fourth of the length of the second. Abdomen extending a little 

 beyond the hind wings. Fore wings slightly acute, thickly and 

 minutely blackish speckled, with minute indistinct transverse brown 

 streaks and with two blackish oblique diffuse denticulated lines, the 

 second extending from the costa to the hind part of the exterior 

 border ; costa convex towards the base ; exterior border convex, 

 slightly oblique. Hind wings paler, with very indistinct transverse 

 streaks. Length of the body 3 lines; of the wings 9 lines. 



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

 Dr. Barnston. 



West Indies. 



46. Teras Jamaicana. 



Rufescens. subtus testacea ; alee anticce vix acuta, cinereo-nigri- 

 cante subtessellatce, fasciis duabus latis indistinctis sub- 

 obscurioribus cinereo-nigricante marginatis ; posticce fuscce. 



Reddish, mostly testaceous beneath. Third joint of the palpi 

 very short. Fore wings hardly acute, indistinctly tessellated with 

 blackish cinereous; two broad indistinct bands, which are slightly 

 darker than the ground hue, and are bordered with blackish cine- 

 reous; costa convex, except towards the tip; exterior border 

 straight, not oblique, except towards the anterior angle. Hind 

 wings brown. Length oi the body 5? lines; of the wings 12 lines. 



a. Jamaica. 



B3 



