X78 INDIRECT INJURIES CAUSED BY INSECTS. 



these desirable ends, since the knowledge of the cause of any evil is always 

 a principal, if not an indispensable, step towards a remedy. 



I shall now bid adieu to this unpromising subject, which has so long 

 occupied my pen, and I fear wearied your attention, and in my next bring 

 before you a more agreeable scene, in which you will behold the benefits 

 we receive by the ministry of insects. 



I am, &i.c. 



