OFFICERS AND MEMBERS 
Russell, Henry Norris Princeton University, Princeton, N. J. 
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. 
Seares, Frederick Hanley Mt. Wilson Obs., Pasadena, Cal. 
Setchell, William Albert University of California, Berkeley, Cal. 
Smith, Alexander Columbia University, New York City 
Smith, Edgar F U niversity of Pennsylvania, Philadelphia, Pa. 
Smith, Erwin F Bureau of Plant Industry, Washington, D. C. 
Smith, Theobald Princeton, N. J. 
Squier, George Owen Chief Sig. Officer, U. S. Army, Washington, D. C. 
Stleglitz, Julius University of Chicago, Chicago, III. 
Story, William E Clark University, Worcester, Mass. 
Stratton, Samuel Wesley Bureau of Standards, Washington, D. C. 
Taylor, David Watson Department of the Navy, Washington, D. C. 
Thaxter, Roland Harvard University, Cambridge, Mass. 
Thomson, Elihu .Swampscott, Mass. 
Thorndike, Edward Lee Columbia University, New York City 
Trelease, William University of Illinois, Urbana, III. 
Trowbridge, Agustus Princeton University, Princeton, N. J. 
Trowbridge, John Harvard University, Cambridge, Mass. 
Ulrich, Edward Oscar ...U.S. Geological Survey, Washington, D. C. 
Van Vleck, E. B University of Wisconsin, Madison, Wis. 
Vaughan, Victor Clarence University of Michigan, Ann Arbor, Mich. 
Veblen, Oswald Princeton U niversity, Princeton, N. J. 
Verrill, a. E 53 Rolston St., Whitneyville, 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. 
Whitney, Willis Rodney General Electric Co., Schenectady, N. Y. 
WiLCZYNSKi, Ernest Julius University of Chicago, Chicago, III. 
Wilson, Edmund B Columbia University, New York City 
Wilson, Edwin Bidwell Mass. Inst. Techn., Cambridge, Mass. 
Wood, Horatio C 4107 Chester Avenue, Philadelphia, Pa. 
Wood, Robert W Johns Hopkins University, Baltimore, Md. 
Woodward, Robert S Carnegie Institution, Washington, D. C, 
Smith, Sidney I Yale U niversity. New Haven, Conn 
FOREIGN ASSOCIATES 
Arrhenius, S. a Nobelinstitute, Stockholm 
Barrois, Charles Universite, Lille 
Br0gger, W. C Universitet, Christiania 
Deslandres, Henri Astrophysical Observatory, Meudon 
Dewar, Sir James University, Cambridge 
Forsyth, A. R Imperial College of Science and Technology, London 
