Friday, March 17.

**MORNING PRAYERS. Rev. Samuel S. Drury, L.H.D., Vice-Rector of St. Paul's School, Concord, N. H. Appleton Chapel, 8.45 A. M. The University preacher may be found at Wadsworth House 1 daily from 9 to 11 o'clock in the morning.

**LECTURES ON MUSIC. IX. "French Music of the Eighteenth Century." (Illustrated). Mr. Arnold Dolmetsch. Lecture Room of the Fogg Museum, 4.30 P. M. Seats will be reserved for members of the University until five minutes before the beginning of the lecture.

*LECTURE. "The Philosophy of Pure Experience of Richard Avenarius. IV. Social Corroborations of Knowledge." Dr. G. C. Cox, Emerson F, 4.30 P. M. Open primarily to students of Harvard University and of Radcliffe College, but other persons may be admitted upon application to the Lecturer.

*ZOOLOGICAL CLUB. "The Arrangement of Mesenteries in Regenerated Specimens of Certain Species of Actinians," Mr. D. W. Davis. Zoological Laboratory, 4th floor, Room 4, 4.45 P. M.

**DIVINITY SCHOOL. Preaching Service Mr. J. W. Haskell. Divinity Chapel, 8 P. M.