Monday, December 20.

**MORNING PRAYERS. Rev. E. C. Moore. Subject "That the thoughts of many hearts may be revealed." Appleton Chapel, 8.45 A. M.

**KING'S CHAPEL LECTURES. "The Relation of Primitive Christianity to Jewish Thought and Teaching." Professor W. R. Arnold. King's Chapel, Boston, 2.30 P. M.

*LECTURE ON RAILROAD OPERATION. "Locomotive Design and Maintenance." Mr. C. H. Wiggin, Superintendent of Motive Power, Boston & Maine Railroad, Boston. Sever 1, 2.30 P. M.

*SEMINARY OF AMERICAN INSTITUTIONS. "The Methods of Instruction in Government." Professor Munro. Sever 9, 4 P. M.

*PHYSICAL COLLOQUIUM. "Magnetic Rotation in the Infra-Red." Professor Trowbridge. Jefferson Physical Laboratory, Room 24, 5 P. M.

SEMINARY ON AIMS AND METHODS OF PHILOSOPHICAL STUDY AND TEACHING. Topic: "Some Personal Experiences of the Conflicts between Philosophical Interests and Traditional Beliefs." Mr. George Clarke Cox, Mr. T. H. Marshall, Mr. A. R. Chandler, Mr. H. A. Seipt. Emerson C, 7.30 P. M. Open to all Graduate Students of Philosophy who are registered either in Harvard or in Radcliffe.

*MODERN LANGUAGE CONFERENCE. "The Relation between Italian Art and Literature in the Middle Ages." Dr. C. R. Post. Common Room, Conant Hall, 8 P. M.