xl INTRODUCTION. 
nest pupe both naked and _ enclosed, 
He also observes that the larvee of cer- 
tain species pass the winter in that state, 
and that those of the Yellow Ant are 
closely invested with hair in the month 
of April, &c. — Passing from the infant 
to the adult state of the ant, he notices 
their amours in the air, believes that the 
females return to their nest to deposit 
their eggs, in this respect opposing the 
opinion of Linnzeus, who was, however, 
better informed on this subject than him- 
self. This justly celebrated naturalist, 
notwithstanding, gives us more inform- 
ation upon the history of ants than the 
whole of his predecessors. 
Charles Bonnet was in his turn occu- 
pied: —he was of opinion that ants are 
directed in their migrations by the scent. 
He notices a small family-establishment 
of these insects on the head of a thistle, 
of which he gives us an interesting ac- 
count. Had he, however, opened it, he 
would have, with admiration, discovered 
the motive which drew them thither, and 
