PHORCAS. 
Generic Character. 
Antennce gradually thickening towards the end, 
terminating in a clavated tip. 
Wings, when at rest, upright. Flight diurnal. 
Specific Character. 
Black Butterfly, with green band, paler beneath, 
the lower wings tailed. 
This species, which may justly be numbered among 
the most elegant of its tribe, is chiefly found in Sierra 
Leona, and is represented on the plate in its natural 
gize. 
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