PERIDROMIA ARETUUSA. 
161 
World. The male of the species above referred to 
is of a deep black colour on the surface, with a silky 
gloss, sprinkled with numerous small blue spots; 
the female is larger, and besides markings similar to 
those of the male, has a broad white band in the 
middle of each of the superior wings lying obliquely, 
and terminating in a point. The whole of the 
under side, in both sexes, is shining brown with a 
very slight tinge of green ; the hinder wings with 
ten rounded bright red spots, three near the base, 
two on the interior edge, and five forming a row on 
the hinder margin towards the anal angle. The 
white band is likewise conspicuous on the under 
side of the female, and in place of it, in the male, 
there is a bluish interrupted oblique line ; body 
black above and spotted with blue ; brown beneath, 
with red spots on the breast. 
This beautiful species is a native of Brazil. 
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