Section of Physiology and Experimental Medicine—The present vice-president, Professor H. P. Bowditch, Harvard University, will serve another year.
The American Society of Naturalists—Professor E. L. Mark, Harvard University.
The Astronomical and Astrophysical Society of America—Simon Newcomb, Washington.
The Geological Society of America—Professor J. C. Branner, Stanford University.
The American Philosophical Association—Professor G. T. Ladd, Yale University.
The American Psychological Association—Professor William James, Harvard University.
Association of American Anatomists—Professor Charles S. Minot, Harvard University.
Society of American Bacteriologists—Dr. F. G. Novy, the University of Michigan;
Society for Plant Morphology and Physiology—Dr. G. T. Moore, Washington.
American Physiological Society—Professor Russell H. Chittenden, Yale University.
American Society of Zoologists, Eastern Branch—Professor E. A. Andrews, Johns Hopkins University.
American Society of Vertebrate Paleontologists—Professor Henry F. Osborn, Columbia University.
Edward L. Mark, Professor of Anatomy, Harvard University, Vice-president for Zoology and President of the American Society of Naturalists.
THE ST. LOUIS EXPOSITION AND ITS CONGRESS OF ARTS AND SCIENCE.
It is quite possible that the attendance at the St. Louis meeting of the American Association was somewhat decreased by the fact that many members propose visiting the Louisiana Purchase Exposition and were unable to make the journey to St. Louis twice within a year. Those in attendance at the meeting had, however, the privilege of visiting the grounds of the exposi-
