Xll 
OFFICERS AND MEMBERS 
MiCHELSON, Albert A University of Chicago 'Chicago, III. 
MiLLiKAN, Robert Andrews University of Chicago, Chicago, III. 
Moore, Eliakim H University of Chicago, Chicago, III. 
Morgan, T, H ; Columbia U niversity. New York City. 
Morley, Edward W. West Hartford, Conn. 
Morse, Edward S Salem, Mass. 
Morse, Harmon N Johns Hopkins University, Baltimore, Md, 
MouLTON, F. R University of Chicago, Chicago, III. 
Nichols, Edward L Cornell University, Ithaca, N. Y. 
Nichols, Ernest F Yale University, New Haven, Conn. 
No YES, Arthur A Massachusetts Institute of Technology, Boston, Mass. 
Noyes, William A University of Illinois, Urbana, III. 
OsBORN, H. F American Museum of Natural History, New York City. 
Osborne, T. B Agricultural Experiment Station, New Haven, Conn. 
Osgood, William Fogg Harvard University, Cambridge, Mass. 
Parker, George H 16 Berkeley St., Cambridge, Mass. 
Pearl, Raymond Maine Agricultural Experiment Station, Orono, Me. 
Pickering, Edward C Harvard College Observatory, Cambridge, Mass. 
Pirsson, Louis V 41 Trumbull St., New Haven, Conn. 
Prudden, T. Mitchell v Columbia University, New York City. 
PuMPELLY, Raphael Gibbs Ave., Newport, R. /, 
Pupin, Michael I Columbia University, New York City. 
Ransome, Frederick Leslie U. S. Geological Survey, Washington, D. C. 
Reid, H, Fielding Johns Hopkins University, Baltimore, Md. 
Remsen, Ira Johns Hopkins University, Baltimore, Md. 
Richards, Theodore W Wolcott Gibbs Memorial Laboratory, Cambridge, Mass. 
Rosa, Edward B Bureau of Standards, Washington, D. C. 
Sargent, Charles S .Arnold Arboretum, Jamaica Plain, Mass. 
Schlesinger, Frank Allegheny Observatory, Allegheny, Pa. 
Schuchert, Charles... Yale University, New Haven, Conn. 
Scott, William B Princeton University, Princeton, N. J. 
Smith, Alexander Columbia University, New York City. 
Smith, Edgar F University of Pennsylvania, Philadelphia, Pa. 
Smith, Erwin F Bureau of Plant Industry, Washington, D. C. 
Smith, Theobald Princeton, N. J. 
Stieglitz, Julius University of Chicago, Chicago, III. 
Story, William E Clark University, Worcester, Mass. 
Thaxter, Roland Harvard University, Cambridge, Mass. 
Thomson, Elihu Swampscott, Mass. 
Trelease, William University of Illinois, Urbana, III. 
Trowbridge, John Harvard University, Cambridge, Mass. 
Van Hise, C. R University of Wisconsin, Madison, Wis. 
Van Vleck, E. B University of Wisconsin, Madison, Wis. 
Vaughan, Victor Clarence University of Michigan, Ann Arbor, Mich. 
Verrtll, a. E 47 Cedar Grove Ave., New London, Conn. 
Walcott, Charles D Smithsonian Institution, Washington, D. C. 
Webster, Arthur G Clark University, Worcester, Mass. 
Welch, William H .807 St. Paul St., Baltimore, Md. 
Wells, Horace L Yale University, New Haven, Conn. 
Wheeler, William M Harvard University, Cambridge, Mass. 
White, David U. S. Geological Survey, Washington, D. C. 
White, Henry Seely Vassar College, Poughkeepsie, N. Y. 
Williston, Samuel Wendell University of Chicago, Chicago, III. 
