APR 24 19:6 



Bulletin 



OF THE 



Illinois State Laboratory 



Natural History 



Urbana, Illinois, U. S. A, 



STEPHEN A. FORBES, Ph.D., LL.D. 

 Director 



Vol. XII. March, 1916 Article II. 



A CLASSIFICATION OF THE LEPIDOPTERA BASED ON 

 CHARACTERS OF THE PUPA 



BY 



Edna Mosher, Ph.D. 



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