170 
THE BROWN HAIR-STREAK BUTTERFLY. 
Papilio Betula. 
PLATE XXX. 
Papilio Betule, Linn, Syst. Nat. ii. 220.—Donovan’s Brit. 
Ins. pl. 250.—Hisperia Betule, Fabricius Entom. Syst. 
1070. 
Tue wings and body are of a beautiful, high- 
toned, reddish brown, with a large semilunate patch 
of rich orange on the upper wings, slightly clouded 
with brown on its upper dise. The lower wings 
are furnished with short caudate wing appendages, 
of a bright orange colour. The under surface of the 
wings and body is of a fulvous colour, the upper 
wings having a border of dark brown in their in- 
terior margin ; also, a large sesquialterous band, and 
a circular spot of dark ash colour, surrounded by a 
white margin. The lower wings have two long 
sesquialterous fasciee, extending nearly across their 
centre. 
The male of this species is distinguished by the 
orange spot on the upper wings, the female being 
devoid of it. The larva is remarkable on account of 
its being so broad and flat. It is of a dull green, 
streaked, with a row of short hairs extending along 
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