£0 Pow E CEL 
The tail of the male is armed with a weapon, fomewhat refembling 
the fling of a fcorpion. The tail of the female has an appendage, 
but very different in its ftru€ture. Thofe parts of both fexes are 
reprefented in our plate, of the natural fize, and magnified, 
PLATE 
