OFFICERS 



WISCONSIN ACADEMY OF SCIENCES, ARTS AND LETTERS. 



Term Expires December 27th, 1884 



president: 



R. D. IRVING, E. M., Ph. D., 



(7. S. Geologist, Professor of Geology, University of W^isconsin. 



VICE-PRESIDENTS : 



Depart insnt of Seienc3S—T. C. CHAMBERLIN, A. M., Ph. D., 

 U. S. Geologist, Beloit. 



Department o/^r/Js — Captain JOHN NADER, C. E., 

 Madison. 



Department of Letters — WESLEY C. SAWYER, Ph. D., 

 Professor State Normal School, Oshkosh. 



SECRETARY: 



E. A. BIRGE, Ph. D., 



Professor of Zoology, University of Wisconsin.. 



LIBRARIAN: 



A. O. WRIGHT,* A, M., 



Secretary State Board of Charities and Reform, 



CURATOR OF MUSEUM: 



R. C. HINDLEY, 

 Professor Racine College, Racine. 



TREASURER: 



Hon. S. D. HASTINGS, 

 Madison. 



* Resigned, 1833. 



