OFFICERS AND MEMBERS 
ix 
Jewett, Frank Baldwin Western Electric Co., New York, N. Y. 
Johnson, Treat Baldwin Yale University, New Haven, Conn. 
Jones, Walter Johns Hopkins University, Baltimore, Md. 
Kasner, Edward Columbia University, New York City 
Kemp, James F Columbia University, New York City 
Langmuir, Irving Gen. Electric Co., Schenectady, N. Y. 
Leuschner, Armin O University of California, Berkeley, Cal. 
Levene, Phcebus Aaron Theodor Rockefeller Institute, New York City 
Lewis, Gilbert N University of California, Berkeley y Cal. 
LiLLiE, Frank Rattray University of Chicago, Chicago, III. 
Lindgren, Waldemar Mass. Inst, of Technology, Cambridge, Mass. 
LoEB, Jacques Rockefeller Institute, New York City 
LusK, Graham Cornell University Medical College, New York City 
Lyman, Theodore Harvard University, Cambridge, Mass. 
Mark, Edward L 109 Irving St., Cambridge, Mass. 
Mayor, Alfred Goldsborough 276 Nassau St., Princeton, N. J. 
Meltzer, Samuel James Rockefeller Institute, New York City 
Mendel, Lafayette B 262 Conner St., New Haven, Conn. 
Mendenhall, Charles Elwood University of Wisconsin, Madison, Wis. 
Mendenhall, Thomas C 329 North Chestnut St., Ravenna, Ohio 
Merriam, C. Hart 1919 16th St., Washington, D. C. 
Merriam, John Campbell University of California, Berkeley, Cal. 
M'erritt, Ernest Cornell University, Ithaca, N. Y. 
Michael, Arthur 219 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 Columbia University, 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 Mass. Inst, of Technology, Cambridge, 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 U niversity, Cambridge, Mass. 
OsTERHOUT, Winthrop John Vanleuven Harvard University, Cambridge, Mass. 
Parker, George H 16 Berkeley St., Cambridge, Mass. 
Pearl, Raymond School of Hygiene and Piiblic Health, Baltimore, Md. 
PiRSsoN, Louis V 41 Trumbull St., New Haven, Conn. 
Prudden, T. Mitchell 160 West 59th St., New York City 
Pumpelly, Raphael Gibbs Avenue, Newport, R. I. 
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 Mem. Lab., Cambridge, Mass. 
RiDGWAY, Robert 1030 South Morgan St., Olney, III. 
Rosa, Edward B Bureau of Standards, Washington, D. C. 
