07 
margin; but this species, also, is very variable in its 
markings. Hind wings rather paler buff-yellow, with two 
or three black spots, head buff, thorax buff, body buff in¬ 
clining to orange, with a series of black spots. 
Localities for this species, which is very common 
throughout the country, are York, Charmouth, Bisterne, 
Faversham, Barnstaple, Southport, Durham, Isle of Man, 
Bute, Dunoon, &c. 
The perfect insect appears in June and July. 
The caterpillar is dull grey, covered with rather light 
brown hairs, a narrow whitish line along the back, and 
another dark grey one on each side of it, palest on the 
upper edge. 
The date of appearance of the caterpillar is in August 
and September. 
It feeds on a variety of common plants. 
ARCTIA MENTHRASTI. 
WHITE ERMINE. 
Plate XI. Figure 6. 
This insect measures from a little over an inch and a 
half to one and three quarters, or nearly two inches in 
width. 
Male: fore wings white, with more or less, in some 
specimens, of a tinge of yellow, neatly spotted over with 
larger and smaller black spots variously disposed, in some 
individuals almost wanting, and in others very numerous 
and even more or less confluent. Hind wings also white, 
and spotted with larger black dots, head white, thorax 
