OF THE USE 
294 
upon every plant d . This makes it unnecef- 
fary for me ro enlarge at prefent upon the 
almoft incredible mifchief infedts do us. I 
will only in a very few words mention, that 
we fhall never be able to guard ourfelves 
againft them, but by their means. For as 
we make ufe of dogs, and other beafts, in hunt- 
ing down flags, boars , hoses and other ani- 
mals, which do us much damage in our fields 
and meadows , or as hawks may be bred up 
to as fo affift us in taking herons , larks and 
other birds, fo alfo we might make ufe of 
the fiercer kinds of infedts, in order to get 
the better of the reft of thefe troublefome 
animals. 
We fhall never be able to drive bugs out 
of our houfes, before we introduce other in-* 
ledts that will devour them, v. g. the wild 
bugs, &c. 
We have no eafier method of deftfoying 
knots and flies which caufe us fo much difturb- 
d The two lafbmentioned perfons hinted at are, i imagine 
J. G. Fofkahl, and M. Backner, the firft of whom has written 
a treatife (hewing the plants which different infeds live upon, 
the laft a treatife on the mifchiefs done by infeds. Both 
thefe are publifhed in Amsen. Acad. v. 3. 
ance. 
2 
