THE thirty-first annual meeting of the Association of American Geographers, with Dr. Wallace W. Atwood presiding, was held at the University of Pennsylvania, Philadelphia, on December 27–29. Forty-nine papers were presented, including six in the field of geomorphology, five in climatology, and two in cartography. The remaining papers ranged the whole field of geography, and included discussions of particular problems or areas. A half-day session was devoted to a conference on regional geography. As retiring president, Dr. Atwood addressed the Association on “The Increasing Significance of Geographic Conditions in the Growth of Nation States”. For the forthcoming year the following officers were elected: President, Prof. Charles C. Col by, University of Chicago; Vice-President, Col. C. H. Birdseye, U.S. Geological Survey; Treasurer, Prof. John E. Orchard, Columbia University; Councillor, Prof. Kirk Bryan, Harvard University; Secretary, Prof. Frank E. Williams, University of Pennsylvania.