Seizures of marihuana and prepared opium effected at points on or near the Mexican border and on the Pacific Coast from September to December 1946 : Convention of 13 July 1931 for Limiting the Manufacture and Regulating the Distribution of Narcotic Drugs as amended by the Protocol signed at Lake Success 11 December 1946 : United States of America : report no. 1149 / communicated by the Government of the United States of America