Mr. David Jayne Hill, of Washington, D.C., diplomat and historian, will lecture on "Phases of International Relations" in the Living Room of the Union this evening at 8 o'clock.

Mr. Hill served as ambassador to Germany from 1908 to 1911. He was a member of the administrative council of the Hague Tribunal, and a delegate at the second peace conference of the Hague in 1907. He is the author of numerous works on diplomatic, social and political questions.

The Reverend William Adams Brown, Roosevelt Professor of Systematic Theology at the Union Theological Seminary of New York, will deliver the Dudleian Lecture in Peabody Hall, Phillips Brooks House, this evening at 8 o'clock. The Reverend Brown will speak on the subject of "The Permanent Significance of Miracle for Religion."

Address by Calcutta Professor.

Professor Tagdis Chandra Bose of the University of Calcutta will lecture in Emerson D at 4.30 o'clock this afternoon. The lecture is open to the public, the subject being "The Control of Nervous Impulse in Plant and Animal."