OF INSECTS. 



l S 



fary, as they are the yearly fer vants of Nature, 

 appointed in fufficient number for the per- 

 fe£ting fuch of her defigns as they are mod 

 capable of accomplishing, viz. preferving 

 a due proportion among plants, confuming 

 every thing that is mifplaced, faperfluous, 

 dead, or decayed in her productions ; and, 

 laftly, becoming nourishment to other ani- 

 mals, and that chiefly to birds. 



Infefts are faid to inhabit thofe plants 

 only upon which they feed, not thofe on 

 which they fometimes may be met with, 

 and trivial names, taken from that circum- 

 flance, are in general the beft, as being bed 

 adapted to the purpofe of rendering art 

 fubfervient to the explication of the views 

 and police of nature. It is in confequence 

 of thefe views and regulations, that we 

 find fome infects occupied in preparing, 

 others in purifying, others, again, in de- 

 ftroying (according to the different apart- 

 ments allotted them) the materials on 

 which they work. 



