1915 



President, U. S. GRA^T, Northwestern University. Evanston. 

 Vice-President, E. W. Washburn, University of Illinois. Urbana. 

 Secretary, A. R. Crook, State Museum. Springfield. 

 Treasurer, H. S. Pepoon, Lake View High School. Chicago. 



1916 



President, William Trelease. University of Illinois, Urbana. 



Vice-President, H. E. Griffith. Knox College. Galesburg. 

 Secretary', J. L. Pricer, State Normal University. Normal. 



Treasurer, H. S. Pepoon, Lake View High School, Chicago. 

 Librarian, A. R. Crook, State Museum, Springfield. 



1917 



President. J. C. Hessler, James ^^illikin University, Decatur. 

 Vice-President, James H. Ferris, Joliet. 

 Secretary, J. L. Pricer, State Normed University, Normal. 

 Treasurer, T. L. Hankinson, State Normal School. Charleston. 

 Librarian, A. R. Crook, State Museum, Springfield. 



1918 



President, R. D. Sallisbury, University of Chicago. Chicago. 

 Vice-President, Isabel S. Smith. Illinois College, Jacksonville. 

 Secretary, J. L. Pricer, State Normd University, Normal. 

 Treasurer, T. L. Hankinson, State Normal School, Charleston. 

 Librarian, A. R. Crook, State Museum. Springfield. 



1919 



President, Henry B. Ward, University of Illinois, Urbana. 

 Vice-President, Geo. D. Fuller. University of Chicago, Chicago. 

 Secretary, J. L. Pricer, State Normal University, Normal. 

 Treasurer, W. G. Waterman. Northwestern University, Evanston. 

 Librarian, A. R. Crook, State Museum, Springfield. 



1920 



President, Henry C. Cowles, University of Cliicago, Chicago. 

 Vice-President, Chas. T. Knipp, University of Illinois, Urbana. 

 Secretary, *J. L. Pricer, State Normal University. Normal. 

 Treasurer, W. G. Waterman. Northwestern University, Evanston. 

 Librarian, A. R. Crook, State Museum. Springfield. 



Died in )9io, Dk. A. R. Crook acted as Secretary for the remainder of the year. 



