380 CATALOGUE OF 



Nearly allied to P. ophthalmic ana. Black. Head and thorax 

 with some cinereous hairs. Palpi porrect, pilose, nearly as long as 

 the breadth of the head ; third joint conical, minute. Joints of the 

 tarsi with whitish tips. Fore wings with numerous cinereous hairs ; 

 fringe dark cinereous; costa and exterior border straight; the latter 

 hardly oblique. Length of the body 4 ? lines ; of the wings 

 12 lines. 



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



Australia. 



80. PiEDISCA IMMERSANA. 



Mas. Straminea; alee anticce acutce, fasciis trihus obscurioribus 

 subobsoletis, atomis nonnullis nigrL, costa margineque exte- 

 riore subochraceis ; posticce sordide einerea. 



Male. Straw-colour, Palpi porrect, much shorter than the 

 breadth of the head ; second joint fringed ; third extremely small. 

 Antennae minutely setulose and pubescent. Abdomen extending 

 somewhat beyond the hind wings. Fore wings acute, wuh three 

 almost obsolete darker bands, which are indicated by some black 

 speckles ; an ochraceous tinge along the costa, except towards the 

 base and along the exterior border; costa and exterior border very 

 slightly convex, the latter slightly oblique. Hind wings dingy cine- 

 reous. Length of the body 3 lines ; of the wings 8 lines. 



a. Sydney. From Mr. Diggles' collection. 



81. P^DISCA LIGNIGERANA. 



Mas. Fnscescente-cinerea, nigro cotupersa ; ala antica maculis 

 strigis lineaque longitudinalibus plagaque discali lineam 

 undulatam emittente nigris. 



Male. Brownish cinereous, speckled with black. Palpi por- 

 rect, much shorter than the breadth of the head ; second joint 

 thickly fringed ; third conical, about one-sixth of the length of the 

 second. Antenna; minutely pubescent. Fore wings with some black 

 longitudinal streaks and blotches ; a blackish patch in the hinder 

 middle disk, emitting an undulatiug line towards the base, and con- 

 nected in front with the base of an interrupted black line, which 

 proceeds to the exterior border ; costa hardly convex ; exterior border 



