TREATISE 



ox SOME OF THE 



IliSECTS BJUEIOUS TO YEGIETATIOK^ 



By thaddeus whliam haeeis, m. d. 



a: ■iSfeAi) JEttftfon, 



ENLARGED AITD IMPKOVED, WITH ADDITIONS FROM THE AUTHOR'S MANUSCHIPTS 

 AND ORIGINAL NOTES. 



ILLUSTRATED BT ENGRAVINGS DRAWN FROM NATURE UNDER THE SUPERVISION OF 



PKOFESSOR AGASSIZ. 



EDITED BY 



CHARLES L. FLINT, 



SECR2TAHY OF THE MASSACHUSETTS STATE BOAllD Of 

 AQRICULTUKE. 



]SiP:W YORK: 

 ORANGE JUDD AND COMPANY, 



245 BROADWAY. 



