8 and 9, to consider the final report on the engineering investigations which have been made during the past year relative to the pollution of boun¬ dary waters. The commission is composed of three members from the Dominion of Canada and three from the United States. It is formed as a permanent tribunal for the adjust¬ ment of boundary matters between the two countries under the terms of the treaty of Jan. 11, 1909, between the United States and Great Britain. The commission has from time to

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... e considered various matters relative to water power, water diversion and obstruction to navigation, including the adjustment and control of lake levels, and has also during the past three years been considering the matter of pollution of boundary waters. The treaty referred to states that "the waters therein defined as boundary waters and the waters flowing across the boundary shall not be polluted on either side to the injury of health or property on the other." In 1913 a reference comprising two branches was submitted to this commission whereby it was asked to determine in brief, first, whether the treaty obligations were being violated and if so, at what points and to what extent and by what causes, and, secondly,