Of the Balances or Poifes c/Tnfed:s. 235 
The Wing ©f a Midge is a moil curious 
Object, and fo indeed is every Part of that 
minute InfedL The Wing of the little Plume 
Moth is compofed of feveral diftind: Quills, 
like thofe of Birds. There are alfo Wings 
folded up in the little Cafes on the Backs of 
Earwigs , very pretty to examine. But no 
more need be faid of Wings, fince every 
body mud; be fenflble the great Variety of 
them is an endlefs Subjed: of Enquiry and 
Admiration. 
CHAP. XXXIX. 
Of the Balances or Poifes g/Tnfedts. 
M OST Infed:s having but two Wings, 
are provided with a little Ball or 
Bladder under each, fet at the Top of a (len¬ 
der Foot-ftalk, which is moveable every Way 
at Pleafure. With thefe they balance them- 
felves in Flight as a Rope-Dancer does with 
his Pole leaded at each End; and if one of 
them be cut off, the Creature flies for a while 
very awkwardly, as if over-heavy on one Side, 
and falls at lad to the Ground. Thefe Blad¬ 
ders being hollow may ferve like wife to pro¬ 
duce the Noife many Sorts of Flies make, by 
Ariking their Wings againA them, and be a 
Means of finding out one another. In fame 
' Vol, I. R Creatures 
