Annual meeting of American association for the advancement of science

The seventy-third meeting of the American Association for the Advancement of Science, together with meetings of a large number of the national scientific societies that are associated with it, will be held in Chicago, from December 27, 1920, to January 1, 1921. Dr. L. O. Howard, Chief of the Bureau of Entomology, U. S. Department of Agriculture, who has been permanent secretary of the Association for 22 very successful years — during which time the membership has been increased from 1,729 to about 13,000 — is president-elect and will preside at the Chicago meeting. The address of the retiring president, given at the opening general session of the Association, will be by Dr. Simon Flexner, Director of the Rockefeller Institute for Medical Research.