POLYOMMATUS MARSYAS. 
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wings have two linear narrow tails towards the anal 
angle. P. Marsyas is a native of Brazil, Guiana, 
and some other countries of South America. It is 
greenish-blue on the upper side, changing with the 
direction of the incident light into violet, the costa 
and apical angle of the upper wings widely black. 
Beneath the colour is lilac, glossy, with seven or 
eight small black spots, surrounded by a white circle, 
scattered over the disk of each wing ; the anal angle 
bluish-green, with two short white transverse streaks 
and two pretty large black spots ; tails black with 
the extremity white, the outer one about half the 
length of the other. Body blue above and whitish 
beneath. The antenna;, as in most of the Polyom- 
mati, are black with pale rings. 
