CHAIRMAN: PROFESSOR JAMES E. CREIGHTON, Cornell University. SPEAKERS: PROFESSOR WILHELM OSTWALD, University of Leipzig. PROFESSOR BENNO ERDMANN, University of Bonn. SECRETARY: DR. R. B. PERRY, Harvard University. SECTION E. ETHICS. (_Hall 6, September 23, 10 a. m._) CHAIRMAN: PROFESSOR GEORGE H. PALMER, Harvard University. SPEAKERS: PROFESSOR WILLIAM R. SORLEY, University of Cambridge. PROFESSOR PAUL HENSEL, University of Erlangen. SECRETARY: PROFESSOR F. C. SHARP, University of Wisconsin. SECTION F. AESTHETICS. (_Hall 4, September 23, 3 p. m._) CHAIRMAN: PROFESSOR JAMES H. TUFTS, University of Chicago. SPEAKERS: DR. HENRY RUTGERS MARSHALL, New York City. PROFESSOR MAX DESSOIR, University of Berlin. SECRETARY: PROFESSOR MAX MEYER, University of Missouri. DEPARTMENT 2--MATHEMATICS (_Hall 7, September 20, 11.15 a. m._) CHAIRMAN: PROFESSOR HENRY S. WHITE, Northwestern University. SPEAKERS: PROFESSOR MAXIME BOCHER, Harvard University. PROFESSOR JAMES P. PIERPONT, Yale University. SECTION A. ALGEBRA AND ANALYSIS. (_Hall 9, September 22, 10 a. m._) CHAIRMAN: PROFESSOR E. H. MOORE, University of Chicago. SPEAKERS: PROFESSOR EMILE PICARD, the Sorbonne; Member of the Institute of France. PROFESSOR HEINRICH MASCHKE, University of Chicago. SECRETARY: PROFESSOR G. A. BLISS, University of Chicago. SECTION B. GEOMETRY. (_Hall 9, September 24, 10 a. m._) CHAIRMAN: PROFESSOR M. W. HASKELL, University of California. SPEAKERS: M. GASTON DARBOUX, Perpetual Secretary of The Academy of Sciences, Paris. DR. EDWARD KASNER, Columbia University. SECRETARY: PROFESSOR THOMAS J. HOLGATE, Northwestern University. SECTION C. APPLIED MATHEMATICS. (_Hall 7, September 24, 3 p. m._) CHAIRMAN: PROFESSOR ARTHUR G. WEBSTER, Clark University, Worcester, Mass. SPEAKERS: PROFESSOR LUDWIG BOLTZMANN, University of Vienna. PROFESSOR HENRI POINCARÉ, the Sorbonne; Member of the Institute of France. SECRETARY: PROFESSOR HENRY T. EDDY, University of Minnesota. DIVISION B--HISTORICAL SCIENCE (_Hall 3, September 20, 10 a. m._) SPEAKER: PRESIDENT WOODROW WILSON, Princeton University. DEPARTMENT 3--POLITICAL AND ECONOMIC HISTORY (_Hall 4, September 20, 11.15 a. m._) CHAIRMAN: SPEAKERS: PROFESSOR WILLIAM M. SLOANE, Columbia University. PROFESSOR JAMES H. ROBINSON, Columbia University. SECTIONS A AND B. HISTORY OF GREECE, ROME, AND ASIA. (_Hall 3, September 21, 10 a. m._)