336 DIRECT BENEFITS DERIVED FROM INSECTS. 



that I have sufficiently made good my position, that the 

 study of agents which perform such important functions 

 in the economy of nature must be worthy of attention. 

 Our subsequent correspondence will be devoted to the 

 most interesting traits in their history, as their affection 

 to their young, their food and modes of procuring it, ha- 

 bitations, societies, &c. 



I am, &c. 



