At the annual meeting of the Harvard Chapter of the Society of the Sigma Xi, P. W. Bridgman '04, Holis Professor of Mathematics and Natural Philosophy, was elected President, Soma Weiss, associate professor of Medicine, Vice-President, F. M. Carpenter '26, assistant Professor of Paleontology and Curator of Fossil Insects in the Museum of Comparative Zoologoy, Secretary, and B. J. Bok, assistant professor of Astronomy, Treasurer.