LEPIDOPTERA HETEROCERA. 911 



border, along which it is cinereous, and inclines to deep black in the 

 disk, where it is notched, and has an interrupted silvery border; 

 orbicular spot elliptical, oblique, indistinct, with a pale border; 

 re ni form partly bordered on each side with black ; the usual discal 

 mark indicated by the exc ivation before mentioned ; exterior bor- 

 der very slightly denticulated aud oblique. Hind wings pale yel- 

 low, with broad blackish brown borders ; ciliae with whitish streaks. 

 Female. — Thorax and fore wings much darker than those of 

 the male, and with a ferruginous tinge ; reniform spot more distinct 

 aud more completely bordered with black. Hind wings dingy tes- 

 taceous, with broad blackish borders. Length of the body 6 — 8 

 lines; of the wings 15 — 18 lines. 



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



by Dr. Barnston. 

 d. Orilla, West Canada. From Mr. Bush's collection. 



53. Plusia quadriplaga. 



Foem. Cinerea ; thorax fasciis ferrugineis ; abdomen ferrugineo 

 cristatum ; alee anticce subschistacece, nigro conspersce, fasciis 

 subobsoletis,lhiea submarginalifusca subangulosa intus diffusa, 

 plaga apud marginem interiorem magna quadrata nigro-fusca 

 argenteo marginata lituram argenteam Y formem includente, 

 orbiculari obliqua oblonga indistincta albido marginata, reni- 

 formi albo nigroque marginata; posticce nigro -fuscce, fascia 

 albida, ciliis albidis fusco notatis. 



Phalaena Iota ? Cram. Pap. Exot. ii. 106, pi. 165, f. C. 



Virginia. 



Female. Nearly allied to P. ampla. Cinereous. Thorax with 

 ferruginous bands. Abdomen a little paler than the thorax, with 

 ferruginous crests. Fore wings somewhat slate-colour, minutely 

 speckled with black ; bands almost obsolete, except the submarginal 

 line, which is brown, diffuse on its interior side and somewhat zig- 

 zag; a large quadrate silvery-bordered dark brown patch on the in- 

 terior margin, black in front, where it includes a silvery Y-shaped 

 discal mark ; orbicular spot with a whitish border, oblique, oblong, 

 indistinct ; reniform bordered with black, which is irregularly 

 intersected by a white line. Hind wings blackish brown, with an 



4i2 



