4i 



by any means lessen the ravages of this 

 destructive monster, we ought not to con- 

 sider this loss as material. 



That we have other insects which infest 

 our fruit-trees, and diseases of different 

 kinds is certain ; and whoever has had 

 opportunity of visiting the cyder coun- 

 ties, cannot help having observed the 

 general decay of the fruit-trees, which 

 appears equally to affect the young and 

 old, with very few exceptions, a circum- 

 stance so much to be regretted, that it 

 ought most seriously to engage our atten- 

 tion. 



It is much to be lamented, in this 

 age of science, that most authors who 

 have treated on the subject of insects, 

 have published works more calculated 

 for furthering the scientific views of the 

 learned, than to inform the ignorant; 

 so that I scarcely know of any English 

 author who has considered it worth his 

 notice to give so much of the minor his- 

 tory of the subject as relates the par- 

 ticulars of their production, existence, 

 and the subsequent changes through 



