Bulletin 



OK THE 



Illinois State Laboratory 



OF 



Natural History 



Urbana, Illinois, U. S. A. 



STEPHEN A. FORBES, Ph.D., LE.D., 

 Director 



Vol. XII. March, 1916 Article II. 



A classification of the lepidoptera based on 



CHARACTERS OF THE PUPA 



BY 



Edna Mosher, Ph.D. 



