Monday, January 23.

**MORNING PRAYERS. Rev. Charles Edwards Park, of the First Unitarian Church, Boston. Appleton Chapel, 8.45 A. M. The University preacher may be found at Wadsworth House 1 daily from 9 to 10 in the morning and from 2.30 to 3.30 in the afternoon.

*LECTURES. "Coal Mining." XIII and XIV. Mr. Robert V. Norris. Rotch Building, 9 to 11 A. M.

*LECTURE ON THE STEAM TURBINE. IX, "Efficiencies--Driven Machinery." Mr. J. G. Callan, formerly with the General Electric Company. Pierce 110, 12 M.

**LECTURE. "The Life and Works of Beethoven." (With Musical Illustrations.) Professor Friedlaender. New Lecture Hall, 4.30 P. M. This will be the last lecture in the series given by Professor Friedlaender. Seats reserved for members of the University until five minutes before the beginning of the lecture.

*SEMINARY OF ECONOMICS. "The Paper Industry in Relation to the Tariff and Conservation." Mr. R. R. Hess. Upper Dane 2, 4.30 P. M.

*PHYSICAL COLLOQUIUM. "The Infra-Red," Dr. Herbert Hollnagel. Jefferson Physical Laboratory, Room 25, 5 P. M.

*PHILLIPS BROOKS HOUSE ASSOCIATION. Celebration of the Eleventh Anniversary of the Dedication of the House. Speakers: Mr. Edgar H. Wells, Acting Dean; Rev. A. P. Fitch, President of Andover Theological Seminary; and Professor G. H. Palmer. Singing by the Glee Club. Phillips Brooks House, 7.30 P. M. This meeting will be open to all present and past members of the University, but not to the general public.

**HARVARD ENGINEERING SOCIETY. "Relation of a College Education to the Railroad Service." Mr. J. R. Freeman, Chief Engineer of the Boston and Albany Railroad. Pierce 110, 8 P. M.