7^J 



COLLABORATORS. 



AuBERT, A. B., University of Maine. 



Baecock, W. Wayne, Medico Chirurgical Coll., Phila. 



Barbour, E. H., University of Nebraska. 



Bessev, Chas. E., University of Nebraska. 



BiGELow, Maurice A., Teachers' College. 



Bleile, a. M., Ohio State University. 



Blodgett, Frederick H., Maryland Agric. Coll. 



BoDiNE, Donaldson, Wabash College. 



Brookover, Chas., Colorado College. 



Brooks, Stratton D., Univ. of Illinois. 



BuRCH, E. G., Fargo High School. 



Caldwell, Otis W., 111. State Normal School. 



Calvert, Philip P., University of Penna. 



Carleton, M. a., U. S. Dept. of Agriculture. 



Chamberlain, Chas. J., Univ. of Chicago. 



Chamot, E. M., Cornell University. 



Chester, F. D., Delaware Coll. Agric. Expr. Station. 



Claypolb, Agnes M., Throop Polytechnic Institute. 



CoE, W. R., Yale University. 



CoNKLiN, E. G., University of Pennsylvania. 



Conn, H. W., Wesleyan University. 



Cook, Mel T., DePauw University. 



CoPLiN, W. M. L., Jefferson Medical College. 



Coulter, John M., University of Chicago. 



Cox, Ulissus O , Minn. State Nor. School. 



Crandall, a. R., Alfred University. 



Dahlgren, Ulric, Princeton University. 



Dependorf, a. R., Conn. Hospital for Insane. 



Dennis, D. W., Earlham College. 



Dodge, Chas. Wright, Univ. of Rochester. 



Dunham, Edward K., Carnegie Lab., N. Y. Univ. 



Dunham, John Dudley, Starling Med. Col. 



EiGENMANN, C. H., University of Indiana. 



Elrod, Morton J., University of Montana. 



Ewell, E. E., U. S. Dept of Agriculture. 



Fahrig, Ernst, Phila. Coml. Museum. 



Fish, P. A., Cornell University. 



Frost, W. D., University of Wisconsin. 



Gage, S. H., Cornell University. 



Gager, C. Stuart, N. Y. State Normal Coll. 



Golden, K. E., Purdue University. 



Hargitt, Chas. W., Syracuse University. 



Harrison, F. C, Ontario Agric. College. 



Herrick, F. H., Adelbert College. 



Herrick, C. Judson, Denison University. 



Herzog, Maximilian, Chicago Polycl. and Hosp. 



HoLWAv, E. W. D. 



Houser, Gilbert L., University of Iowa. 



Ruber, G. Carl, University of Michigan. 



Jennings, H. S., University of Michigan. 



Julien, Alexis A., Columbia University. 



Kellerman, W. a., Ohio State University. 

 KoFoiD, Chas. A., University of California. 

 Krauss, Wm. C, M. D., Buffalo, N. Y. 

 Landacre, F. L., Ohio State University. 

 Lee, Thos. G., University of Minnesota. 

 Lloyd, Francis E., Teachers' College. 

 McClung,C. E., University of Kansas. 

 McFarland, F. M., Leland Stanford Jr. Univ. 

 McFarland, Joseph, Medico Chiru'l Coll. Phila. 

 Macbride, Thomas H , State Univ of Iowa. 

 MacDougal, D. T., N. Y. Botanical Garden. 

 Mall, F. P., Johns Hopkins University. 

 Marsh, C. Dwight, Ripon College. 

 Martin, George W., Vanderbilt University. 

 Mercer, A. Clifford, Syracuse University. 

 Minot, Charles S , Harvard Medical School. 

 Moore, J. Percy, University of Penna. 

 Moore, George T., U. S. Dept. of Agriculture. 

 Moore, V. A., Cornell University. 

 Morrill, A. D., Hamilton College. 

 MuNsoN, W. H., Hillsdale College. 

 Murbach, L., Detroit Central High School. 

 Nachtribb, Henry F., University of Minn. 

 Newcombe, Frederic C, University of Mich. 

 Orton, W. A., U. S. Dept. of Agriculture. 

 Osborn, Henry L., Hamline University. 

 Patton, Horace B., Colorado School of Mines. 

 Peabody, James E., Peter Cooper High School. 

 Pearce, Richard M., University of Penna. 

 Pearl, Raymond, University of Michigan. 

 Phillips, Orville H , University of Penna. 

 Pierce, Newton B., U. S. Dept. of Agric. 

 Pratt, Joseph H., Harvard University Med. Coll. 

 Ravenel, M. p.. University of Penna. 

 Reed, R. C, Cornell University. 

 RiGGs,C. Eugene, University of Minnesota. 

 RvNEARSON, Ed., Pittsburgh High School. 

 Savre, L. E., University of Kansas. 

 ScHAFFNER, J. H., Ohio State University. 

 Slonaker, J. RoLLiN, Univ. of Chicago. 

 Stengel, Alfred, University of Penna. 

 Thomas, Mason B., Wabash College. 

 Treadwell, a. L., Vassar College. 

 Trelease, Wm., Missouri Botanical Garden. 

 Walker, Ernest, Mass. St. Bd. of Health. 

 Ward, Henry B., University of Nebraska. 

 Webber, H. J., U. S. Dept. of Agriculture. 

 Whelpley, H. M., Missouri Medical College. 

 Wiley, H. M., U. S., Dept. of Agriculture. 

 Wilson, E. H., Hoagland Laboratory. 

 Woods, Albert F., U. S. Dept. of Agric. 



