380 
CATALOGUE OF 
Nearly allied to P. ophthalmicana. 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. Bichardson. 
Australia. 
80. PiEDISCA IMMERSANA. 
Mas. Straminea; ala antic ce acutce, f asciis trihus obscurioribus 
subobsoletis , atomis 7ionnullis nigris , costa margineque exte- 
riore subochraceis ; posticce sordide cinerece . 
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, with 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. Biggies’ collection. 
81. PiE DISCA LIGNIGERANA. 
Mas. Fuscescente-cinerea , nigro conspersa ; alee anticce 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 undulating 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 
