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margin of the fore wings near the tip, are the Isle of 
Bute, Lyndhurst, New Forest, Sherwood Forest. 
The situations where it is found are heaths. 
The perfect insect appears in July; July 27. 
The caterpillar is brownish grey with a slight tinge of 
greenish, and a paler line along the back, and another 
below it on each side, the latter having a row of blackish 
square spots above it; the second segment dark brown. 
The date of the appearance of the caterpillar is in 
March and April. 
It feeds on different low plants. 
The chrysalis is found beneath the surface. 
TRIPHASNA ORBONA. 
LESSER YELLOW UNDERWIXG. 
Plate LIV. Figure 4. 
Localities for this common species are Nunburnholme, 
York, Sutton-on-Derwent, Askham Bog, Isle of Wight, 
Charmouth, Anstey, Brighton, Falmouth, Bowdon, Black 
Park, Faversham, Barnstaple, and near London. 
The situations where it is found are gardens, woods, 
lanes, and hedgerows. 
The perfect insect appears in August and September ; 
August 21, 23; September 16. 
The caterpillar is dull yellowish brown, mottled with 
darker on the back, and with a conspicuous side-line of 
a paler shade ; the side spots inserted in large brownish 
blots. 
The date of the appearance of the caterpillar is in 
March and April. 
It feeds on various low plants. 
