;t* 



/^^3 v(> U I D E 



THE STUDY OF INSECTS 



/ 



AND A TREATISE ON THOSE 



INJURIOUS AND BENEFICIAL TO CROPS 



FOR THE USE OF 



COLLEGES, FARM-SCHOOLS, AND AGRICULTURISTS 



A. S3 PACKARD, Jr., M.D. 



WITH FIFTEEN PLATES AND SIX HUNDRED AND SEVENTY WOOD CUTS, 



EIGHTH EDITION. 



HEN^ ftOLT ANDA^jfiOMPANY 



BOSTON : ■■SSfES'>'LAURIAT 

 "7883. 



