Use of Opium and Traffic Therein. Message from the President of the United States, Transmitting the Report of the Committee Appointed by the Philippine Commission to Investigate the Use of Opium and the Traffic Therein, and the Rules, Ordinances, and Laws Regulating Such Use and Traffic in Japan, Formosa, Shanghai, Hongkong, Saigon, Singapore, Burma, Java, and the Philippine Islands, and Inclosing a Letter from the Secretary of War