" To understand the relations that insects bear to each other and to other 

 objects, and to learn how best to check the ravages of the noxious tribes, we 

 must make ourselves thoroughly acquainted with the natural history of these 

 animals. This subject is particularly important to all persons who are 

 interested in agricultural pui-suits." — Br. T. W. Harris, of Harvard Uni- 

 versity, U.S. 



