HOW TO KNOW THE 

 BUTTERFLIES 



A MANUAL OF THE BUTTERFLIES 

 OF THE EASTERN UNITED STATES 



BY 



JOHN HENRY COMSTOCK 



PROFESSOR OF ENTOMOLOGY IN CORNELL UNIVERSITY 

 AND 



ANNA BOTSFORD COMSTOCK 



LECTURER IN NATURE STUDY IN CORNELL UNIVERSITY 



WITH FORTY-FIVE FULL-PAGE PLATES FROM LIFE 

 REPRODUCING THE INSECTS IN NATURAL COLORS 



laboratory Bf Ornithotegy 

 J59 Sapsucktr Woods Rottf 

 Cornell University 

 tttiact, New York 14850 



D. APPLETON AND COMPANY 

 NEW YORK -...- MCMIV 



