How To Know The Butterflies 



A Manual of the Butterflies of the Eastern United States, by 



JOHN HENRY COMSTOCK 



Emeritus Professor of Entomology, Cornell University 



AND 



ANNA BOTSFORD COMSTOCK 



Professor of Nature-Study, Cornell University 



This work contains descriptions of 152 species and varieties 

 of butterflies This includes all of the species and their named 

 varieties found in the eastern half of the United States ex- 

 cepting a few extremely rare forms. 



There are 45 plates with 312 figures showing the insects in 

 their natural colors and 49 figures in the text. 



The work is written in popular form without being super- 

 ficial, and will serve as a Baedeker among Butterflies to the 

 casual observer or the close student of this most picturesque 

 phase of nature. 



A new editioti now ready 



12mo. 

 Cloth, 

 $3.50 net; 

 postage, 

 20c. addi- 

 tional. 



The Comstock Publishing Company 



Ithaca, New York 



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