“ Raphael Pumpelly. United States Geological Survey.
“ James H. Gardiner, Director New York State Survey.
“ Wm. R. Lazenby, Director of the Ohio Agricultural Experiment Station.
“ W. W. Tracy, Detroit, Mich.
“ C. V. Riley, Washington, D. C.
Mr. Donald G. Mitchell, New Haven, Conn.
“ Frank J. Scott, Toledo, O.
Hon. Adolphe Leué, Secretary of the Ohio Forestry Bureau.
“ B. G. Northrop, Clinton, Conn.
Mr. G. W. Hotchkiss, Secretary of the Lumber Manufacturers’ Association.