Active Members. 
Luten, Daniel B., 1056 Lemcke Annex, Indianapolis. 
Bridge Engineer. 
Applied Civil Engineering. 
Mahin, Edward G., 27 Russell St., West Lafayette. 
Associate Professor of Chemistry, Purdue University. 
Mains, E. B., 212 S. Grant St., West Lafayette. 
U. S. Agricultural Experiment Station. 
Plant Pathology and Mycology. 
Malott, Burton J., 2206 Calhoun St., Fort Wayne. 
Teacher in High School. 
Physiography and Geology. 
Malott, Clyde A., 521 E. Second St., Bloomington. 
Geology. 
Markle, M. S., Richmond. 
Professor of Botany, Earlham College. 
Martin, Dr. H. H., Laporte, Ind. 
Surgery and Urology. 
Mason, T. E., 180 Andrew Place, West Lafayette. 
Instructor Mathematics, Purdue University. 
Mathematics. 
McCarty, Morris E., 224 Fowler Ave., West Lafayette. 
Student in Bacteriology. 
McIndoo, N. E., 7225 Blair Road, Takoma Park, Washington, D. C. 
U. S. Department of Agriculture, Bureau of Entomology. 
Insect Physiology. 
McKinley, Lester, Bloomington. 
Graduate Student in Botany, Indiana University. 
Molby, Fred A., 226 Lorraine Ave., Cincinnati, O. 
Physics, University of Cincinnati. 
Montgomery, Dr. H. T., 244 Jefferson Bldg., South Bend. 
Geology. 
Morrison, Harold, Bureau of Entomology, Washington, D. C. 
Entomology. 
Morrison, Louis, 80 S. West St., Richmond. 
Munro, G. W., 202 Waldron St., West Lafayette. 
Mechanical Engineering. 
Myers, B. D., 321 N. Washington St., Bloomington. 
Professor of Anatomy, Indiana University. 
Nelson, Ralph Emory, 112 W. Wood St., West Lafayette. 
Chemistry, Purdue University. 
Nothnagel, Mildred, Gainesville, Fla. 
Assistant Plant Physiology, Experiment Station, University 
Florida. 
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