378 CATALOGUE OF 



Genus P^EDISCA. 



North America. 



75. PjEdisca inquietana. 



Foem. Fusca; abdomen cinereum; alee antiece cinerece, apice 

 rotundatce, atornis fasciisque quatuor indeterminatis diffuds 

 fuscis ; posticce fuscescente-cinerece. 



Female. Brown, cinereous beneath. Palpi cinereous, porrect, 

 slightly fringed, nearly as long as the breadth of the head; third 

 joint elongate-conical, about one-fourth of the length of the second. 

 Abdomen cinereous. Fore wings cinereous, somewhat rounded at 

 the tips, with brown speckles, and with four irregular, excavated, 

 and diffuse brown bands ; costa straight ; exterior border slightly 

 convex, very oblique. Hind wings brownish cinereous. Length 

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



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



76. P.EDISCA DIFFINANA. 



Foem. Nigricante-cinerea ; abdomen cinereum ; alee antiece ob- 

 scure aryenteo-cinerece, acutce, singulis transversis plurimis 

 fuscis, fasciis duabus fuscis indeterminatis ex parte nigra 

 marginatis ; postica? ceneo-f use a, fimbria cinerea fusco inter- 

 lineata. 



Female. Blackish cinereous, dingy cinereous beneath. Palpi 

 porrect, much shorter than the breadth of the bead; second joint 

 fringed above ; third conical, less than one-fourth of the length of 

 the second. Abdomen cinereous. Fore wings acute, dark silvery 

 cinereous, with numerous little transverse brown streaks, and with 

 two brown very irregular partly blackish-bordered bands; costa 

 hardly convex ; exterior border slightly convex, moderately oblique. 

 Hind wings aeneous-brown ; fringe cinereous, interlined with brown 

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



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

 Dr. Barnston. 



77. P^DTSCA CATACLYSTIANA. 



Foem. Pallidissime cervina ; abdomen albidum ; ala anticee 

 acuta, vix falcatce, lineis longitudinalibus subargenteis, strigis 



