LEPIDOPTERA HETEROCERA. 
379 
costalibus obliquis argenteis , spatio marginali cinereo atomis 
nigris lituram angulatam argenteam punctaque tria nigra in - 
cludente ; pusticce strigis nonnullis costalibus subapicalibus 
cinereis . 
Female . Very pale fawn-colour. Abdomen, under side and 
hind wings whitish. Palpi pilose, very short ; third joint extremely 
minute. Fore wings acute, hardly falcate, with several slightly sil- 
very longitudinal lines, and with some blighter silvery oblique cos- 
tal streaks ; marginal space cinereous, very minutely speckled with 
black, including an angular silvery mark, which is accompanied by 
three black points; costa very slightly convex; exterior border 
rather oblique. Hind wings with a few transverse cinereous streaks 
on the apical part of the costa. Length of the body 4 lines ; of the 
wings 9 lines. 
a, b. North America. From Mr. Carter’s collection. 
78. PiEDISCA ALBICEPSANA. 
Cervina ; caput , thorax anticus , pectus et abdomen subtus alba ; 
alee anticce angustce , acuta , vittis tribus albis , la costali ab- 
breviata , 2 a discali extus furcata et interrupta , 3a postica 
tenui , strigis costalibus exterioribus obliquis argenteo -albis , 
strigulis duabus submarginalibus atris ; posticee cinereo- fusca, 
fimbria albida. 
Fawn-colour. Head, palpi, fore part of the the thorax and 
under side of the body white. Palpi porrect, pilose, shorter than 
the breadth of the head ; third joint extremely short. Wrings elou- 
gate, rather narrow. Fore wings acute, with three white stripes ; 
first stripe costal, extending from the base to half the length, where 
it is succeeded by oblique silvery white streaks ; second stripe dis- 
cal, forked and interrupted towards the exterior border, where it is 
accompanied by two deep black streaklets ; third line slender, near 
the interior border; costa straight; exterior border slightly convex, 
rather oblique. Hind wings cinereous-brown ; fringe whitish, 
shining. Length of the body 3 lines; of the wings 8 lines. 
a , b. North America. From Mr. Carter’s collection. 
79. Pasdisca procellariana. 
Cinereo-nigra ; palpi pilosi , capitis latitudine vix breviores , arti- 
culo So conico ; tarsorum articuli apice albidi ; alee anticce 
fimbria obscure cinerea. 
