166 



THE BROWN HAIR-STREAK BUTTERFLY. 



Papilio Betulce. 

 PLATE XXX. 



Papilio Betulae, Linn. Syst. Nat. ii. 220 Donovan's Brit. 

 Ins. pi. 250 Hisperia Betulae, Fabricius Ento, Syst. 

 1070. 



THE wings and body are of a rich, high-toned, 

 reddish brown, with a large semilunate patch of 

 rich orange on the upper wings, slightly clouded with 

 brown on its upper disc. 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 interior 

 margin ; also, a large sesquilaterous band, and a 

 circular spot of dark ash colour, surrounded by a 

 white margin. The lower wings have two long 

 sesquilaterous fasciae, 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 its 



