rUkT'Wv?)MSFI)M I'ELRnufcWf 
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 
©etoenteentb OBDftton 
ITHACA, N. Y. 
THE COMSTOCK PUBLISHING COMPANY 
1923 
