This is an elaborate account of the Lake Mohawk Symposium, the expenses of publication being borne by the Harry M. Lasker Memorial Fund. It contains the purpose and plan of the meeting by George A. Soper, the greeting to the foreign guests by William H. Welch, and the response for the foreign guests by Sir Bland-Sutton. The reports of the executive sessions contain addresses by Bland-Sutton, W. Sampson Handley, Hartmann, Besard, Marie, DuBois, Reverdin, Maisin, Tribiger, Bastionelli, Blumenthal, Balfour, Greenough, Regaud, Bierich, Soper, Bloodgood, Ewing, Roussy, Murray, Wood, Leitch, deVries, Deelman, Dublin, Semken, Saltztein, and Lillienthal. While these addresses contain