97 
two white elongated spots on the sixth segment, and 
diamond-shaped ones on the seventh, eighth, ninth, and 
tenth. 
The date of the appearance of the caterpillar is in July. 
It feeds on the bilberry (Vaccinium myrtillus.) 
RUMIA CRAT^GAKIA. 
BRIMSTONE MOTH. 
Plate XVII. Figure 5. 
This insect measures from a little over an inch and 
a quarter to above one inch and a half in expanse. 
Male: fore wings deep sulphur-yellow, with a few dull 
red spots or marks along the upper margin, the first line 
composed of a few of these spots, the second line also 
similarly, but the markings are much more or much less 
distinct in some individuals than in others. Hind wings 
sulphur-yellow. 
Localities for this species, which is excessively common , 
are York, Charmouth, Falmouth, &c., &c. 
The situations where it is found are hedgerows, gar¬ 
dens, woods, lanes, &c. 
The perfect insect appears in April, May, and August. 
The caterpillar is variously mottled green and brown, 
with a hump on the seventh segment, and two small ex¬ 
crescences on the ninth. 
The date of the appearance of the caterpillar is in 
June and in October. 
It feeds on the whitethorn, the blackthorn, &c. 
VOL. I. 
H 
