Of Flies. 49 
the fame manner, till they lie fair for examination, then 
cover them with another talc, and fallen them down with 
a ring. 
' ' ' v 
Of a blue fly. 
F I G. 86. reprefents a microfcopical picture of this 
fly; it has many things about it worthy of note ; 
feveral of which are already defcribed, viz. the head, the 
eyes, wings, and feet. 
The clutters of eyes in this fly are much fmaller than 
that of the drone fly in proportion to its head. Between 
thefe two clutters of eyes appeared a fcaly prominency B, 
armed and adorned with black briftles, lliarp, and taper- 
mg, growing in rows on either fide, and bending towards 
each other, formed a kind of briftly arbor, which almoft 
covered the fore front; at the end of this arch, and about 
the middle of the face on a rifing part C, grew two oblong 
bodies D D, which through the microfcope looked not 
unlike the pendants of lillies, and appeared to be jointed 
on two fmall parts at C, each of which feemed again jointed 
into the front. Out of the upper part of each of thefe 
horns grows a feather, or brulhy brittle E E, on the 
under part of the face F F, were feveral of the former 
fort of bended briftles; and below all is the mouth, out 
of which grew the probofcis G H I; which by means of 
feveral joints, the fly was able to move to and fro, and 
to thruft in and out as it pleafed. The end of this hol¬ 
low body, which was covered over with fhort hairs, 
feemed bent at H, and the foremoft fide of the bended 
part flit into two chaps b H I, HI, Thefe he could open 
and Ihut very readily, and when he feemed to fuck any 
thing from the fur face of a body, he would fpread thofe 
chaps, and apply the hollow part of them ciofe to it.. 
E From 
h Hook’s Micro, p. 183. 
