J86 
ERTCINA OCTAVIUS. 
liis attention to the subject. The above-named 
species belongs to a group in rvhich the upper wings 
are triangular, and the inferior very much elongated, 
truncated towards the anal angle, and exteriorly 
drawn out into a long narrow tail. With the excep- 
tion of the dark bands and occasional crimson spots, 
the whole wings are transparent. E. octavius ex- 
pands about an inch and a half. The upper wings 
are transparent, the whole of the outer margin, and 
a band running obliquely across the middle, black. 
Under wings transparent anteriorly, the remainder, 
including the tail, black ; the anal angle with a 
large crimson patch. The tail is very narrow, and 
somewhat whitish on the outer edge and at the 
tip. The under side resembles the upper, except 
that the red spots are each marked with two white 
points. 
Found in Surinam. 
