LEPIDOPTERA HETEROCERA. 
53 
North America. 
22. Nephopteryx mcestella. 
Mas et fcem. Cana,fusco nehulosa ; alee anticce fusco trilineatee , 
posticee sordide cinerece. Var. — Alee anticce nigricante li- 
neatce. 
Male and female. Hoary. Head and thorax thickly speckled 
with brown, or mostly brown. Palpi stout, obliquely rising, very 
little higher than the vertex; third joint conical, acute, minute, 
much less than one-fourth of the length of the second. Antennae 
of the male much incrassated towards the base. Abdomen of the 
male extending a little beyond the hind wings. Fore wings nar- 
row, rounded at the tips, thickly speckled with brown ; these 
speckles are partly confluent and form three lines, ?of which the 
third is complete and undulating ; marginal line brown, interrupted 
by the veins; costa straight; exterior border convex, moderately 
oblique. Hind wings dingy cinereous. Var. — Fore wings with 
blackish lines. Length of the body 5 — 6 lines ; of the wings 14 — 
16 lines. 
a — c. United States. Presented by E. Doubleday, Esq. 
d— h. St. Martin’s Falls, Albany River, Hudson’s Bay. Presented 
by Dr. Barnston. 
i. Nova Scotia. From Lieut. Redman’s collection. 
23. Nephopteryx finitella. 
Mas et foem. Obscure cinerea ; alee anticce lineis tribus deviis 
interruptis nigro squamosis , linea submarginali undulata pal - 
lide cinerea , linea marginali nigricante, 
Male and female. Dark cinereous. Abdomen and hind wings 
paler. Palpi erect, rising much higher than the vertex; third joint 
lanceolate, nearly half the length of the second. Fore wings nar- 
row, rounded at the tips, with the basal, interior and exterior lines 
irregular, incomplete, composed of black scales ; sub marginal line- 
pale cinereous, undulating ; marginal line blackish, interrupted by 
the veins. Length of the body 5 —5^ lines ; of the wings 13 — 14 
lines. 
The length of the third joint of the palpi is the only character 
which seems to distinguish this species from N, mcestella, 
a — d. United States. Presented by E. Doubleday, Esq. 
e,/. Nova Scotia. From Lieut. Redman’s collection. 
F 3 
