OFFICERS AND MEMBERS 
xi 
Jennings, Herbert Spencer Johns Hopkins University, Baltimore, Md. 
Jewett, Frank Baldwin Western Electric Co., New York, N. Y. 
Johnson, Treat Baldwin Yale University, New Haven, Conn. 
Jones, Lewis Ralph University of Wisconsin, Madison, Wis. 
Jones, Walter Johns Hopkins University, Baltimore, Md. 
Kasner, Edward Columbia University, New York, N. Y. 
Kemp, James F Columbia University, New York, N. Y. 
KoHLER, Elmer Peter Harvard University, Cambridge, Mass. 
Langmuir, Irving General Electric Co., Schenectady, N. Y. 
Leith, Charles Kenneth University of Wisconsin, Madison, Wis. 
LeuschneR, Armin O University of California, Berkeley, Cal. 
LevEnE, Phoebus Aaron Thedor Rockefeller Institute,' NewYork, N. Y. 
Lewis, Gilbert N University of California, Berkeley, Cal. 
LiLLiE, Frank Rattray University of Chicago, Chicago, III. 
Lindgren, Waldemar Massachusetts Institute of Technology, Cambridge, Mass. 
LoEB, Jacques Rockefeller Institute, New York, N. Y. 
LusK, Graham Cornell University Medical College, New York, N. Y. 
Lyman, Theodore Harvard University, Cambridge, Mass. 
Mark, Edward L ioq Irving St., Cambridge, Mass. 
Mayor, Alfred Goldsborough 2^6 Nassau St., Princeton, N. J. 
Mendel, Lafayette B Yale University, New Haven, Conn. 
MendEnhall, Charles Elwood University of Wisconsin, Madison, Wis. 
Mendenhall, Thomas C J2Q North Chestnut St., Ravenna, Ohio. 
Merriam, C. Hart iqiq Sixteenth St., Washington, D. C. 
Merriam, John Campbell Carnegie Institution, Washington, D. C. 
MerriTT, Ernest Cornell University, Ithaca, N. Y. 
Michael, Arthur 21Q Parker St., Newton Center, Mass. 
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 Hopkins Marine Laboratory, Pacific Grove, Cal. 
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 Nela Research Lab., Nela Park, Cleveland, Ohio. 
NoYEs, Arthur A California Institute of Technology, Pasadena, Cal. 
NoYES, William A University of Illinois, Urbana, III. 
OsBORN, H. F American Museum of Natural History, New York, N. Y. 
O.SBORNE, T. B Agricultural Experiment Station, New Haven, Conn. 
Osgood, William Fogg Harvard University, Cambridge, Mass. 
OsTERHOUT, WiNTHROP JOHN VanlEuvEN Harvard University, Cambridge, Mass. 
Parker, George H ..16 Berkeley St., Cambridge, Mass. 
Pearl, Raymond 625 St. Paul St., Baltimore, Md. 
Pierce, George Washington Harvard University, Cambridge, Mass. 
Prudden, T. Mitchell Columbia University, New York^ N. Y. 
PuMPELLY, Raphael Gibbs Ave., Newport, R. I. 
PupiN, Michael I Columbia University, New York, N. Y. 
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. 
