A MANUAL 



FOR THE 



STUDY OF INSECTS 



BY 



JOHN HENRY COMSTOCK 



Professor of Entomology in Cornell University and in 

 Leland Stanford Junior University 



ANNA BOTSFORD COMSTOCK 



Member of the Society of American Wood-Engravers 



SeconD JEDition 



ITHACA, N. Y. 



COMSTOCK PUBLISHING COMPANY 



1897 





