131 
blackish spot on the upper margin; second line also black¬ 
ish-brown and coming from a blackish spot; central line 
blackish-brown most distinct at the upper margin ; but 
all of these are frequently only partially continued across 
the wing. Hind wings pale grey crossed bya faint dusky 
line, and with a few dusky marks. 
Localities for this species are York, Scarborough, Bris¬ 
tol, Pembury,Lyndhurst, Plymouth, Worthing, Brighton 
Newnham, Lewes, Manchester. 
The situations where it is found are woods. 
The perfect insect appears in May and the early part 
of June. 
The caterpillar is of a reddish colour, with white spots 
on the second, third, and fourth segments, and larger 
marks on the others. 
The date of the appearance of the caterpillar is in June. 
It feeds on the birch and the alder. 
The chrysalis is found among moss. 
GNOPHOS OBSCURARIA. 
DARK ANNULET. BROWN ANNULET. 
Plate XXI. Figure 5. 
This insect, some individuals of which are much darker 
than others, measures from a little over an inch and a 
quarter to an inch and a half in width. 
Male: fore wings blackish-grey; the first line a darker 
shade and nearly straight; second line also darker,a little 
waved and much jagged; central line only partly con¬ 
tinued. Hind wings blackish-grey, with a central dark, 
spot pale in the middle. 
