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J. A. ALLEN, Pu.D., American Museum of Natural History, New York. 
E. A. ANDREWS, PH.D., Johns Hopkins University, Baltimore. 
WILLIAM S. BAYLEY, PH.D., Colby University, Waterville. 
CHARLES E. BEECHER, Pu.D., Yale University, New Haven. 
DOUGLAS H. CAMPBELL, Pu.D., Leland Stanford Junior University, Cal. 
J. H. COMSTOCK, S.B., Cornell University, Ithaca. 
WILLIAM M. DAVIS, M.E., Harvard University, Cambridge. 
D. S. JORDAN, LL.D., Leland Stanford Junior University, Cali ‘ornia. 
CHARLES A. KOFOID, Pu.D., University of Illinois, Urbana, £11. 
ARNOLD E. ORTMANN, Pu.D., Princeton University. 
D: P. PENHALLOW, S.B., F.R.M.S., McGill University, Montreal. 
H. M. RICHARDS, S.D., Columbia University, New York. 
W. E. RITTER, Pu.D., University of California, Berkeley. 
FRANK RUSSELL, Pu.D., Harvard University, Cambridge. 
ISRAEL C. RUSSELL, LL.D., University of Michigan, Ann Arbor. 
ERWIN F. SMITH, S.D., U. S. Department of Agriculture, Washington. 
LEONHARD STEJNEGER, Smithsonian Institution, Washington. 
W. TRELEASE, S.D., Missouri Botanical Garden, St. Louis. 
S. WATASE, Pu.D., University of Chicago. 
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