OFFICERS 1912-1913. 
President, E. C. Case, Ann Arbor. 
Secretary-Treasurer, Richard de Zeeuw, East Lansing. 
Librarian, A. G. Ruthven, Ann Arbor. 
VICE-PRESIDENTS. 
Agriculture, Geogre J. Bouyoucos, East Lansing, 
Geography and Geology, F. T. Carlton, Albion. 
Zoology, Peter Okkelberg, Ann Arbor. 
Sanitary and Medical Science, C. A. Behrens, Ann Arbor. 
Botany, Ernst A. Bessey, East Lansing. 
Economics, H. S. Smalley, Ann Arbor. 
PAST-PRESIDENTS. 
Dr. W. J. Beal, Amherst, Mass. 
Professor W. H. Sherzer, Ypsilanti. 
Bryant Walker, Esq., Detroit. 
Professor Y. M. Spaulding, Tucson, Ariz. 
Dr. Henry B. Baker, Holland, Mich. 
Professor Jacob Reigilard, Ann Arbor. 
Professor Chas. E. Barr, Albion. 
Professor V. C. Vaughan, Ann Arbor. 
Professor F. C. Newcombe, Ann Arbor. 
Dr. A. C. Lane, Tufts College, Mass. 
Professor W. B. Barrows, East Lansing. 
Dil J. B. Pollock, Ann Arbor. 
Professor M. S. W. Jefferson, Ypsilanti. 
Dr. Ciias. E. Marshall, East Lansing. 
Professor Frank Leverett, Ann Arbor. 
Dr. F. G. Novy, Ann Arbor. 
Professor Wm. E. Praeger, Kalamazoo. 
council. 
The Council consists of the above-named officers and all Resident 
Past-Presidents. 
