

A MANUAL 



OF THE 



STUDY OF INSECTS 



BY 



JOHN HENRY COMSTOCK 



Professor of Entomology in Cornell University 



AND 



ANNA BOTSFORD COMSTOCK 



Member of the Society of American Wood- Engravers 



urteentb JE&ition 



ITHACA, N. Y. 



THE COMSTOCK PUBLISHING COMPANY 



1916 



