THE annual meeting of the Royal Society of Canada was held this year at Montreal on May 26–28, under the presidency of Prof. Frank D. Adams, F.R.S. The general and sectional meetings were held in the new medical building, McGill University, and in the Laval University, and there was an excellent attendance of fellows and of visitors. Dr. R. F. Stupart presided over Section III. (Mathematical, Physical, and Chemical Sciences), and in the absence of the president of the section, Prof. A. P. Coleman, Prof. A. H. R. Buller presided over the proceedings of Section IV. (Geological and Biological Sciences).