Open to all students of the University. Vesper Service. Appleton Chapel, 5 p. m.

Open to the public.

St. Paul's Society. Christo et Ecclesiae. Rt. Rev. H. C. Potter, D. D., of New York. Sever 11, 7.30 p. m.

Open to all members of the University. A reception will be held in Sever 10 after the address, to which all past and present members of the Society are invited.

Harvard Natural History Society. Observations on Glacial Action in Switzerland (illustrated by lantern slides). Mr. L. S. Griswold. Geological Lecture Hall, University Museum, 7.45 p. m.

Open to all members of the University.

18. FRIDAY.Cercle Francais. The French Psychological Drama of the Seventeenth Century - IV., Racine's "Athalie." Professor de Sumichrast. Sever 11, 4.30 p. m.

Divinity School. Preaching Service. Mr. E. B. Wood. Divinity Chapel, 7.30 p. m.

Open to the public.

Joint Debate between Yale and Harvard. Sanders Theatre, 8 p. m.

Question: "Resolved, That attempts of employers to ignore associations of workingmen and to deal with individual employees only, is prejudicial to the best interest of both."

Harvard will have the affirmative and Yale the negative. The speakers:

Yale: G. H. Clark '96, W. H. Clarke '95, Thomas Long '95.

Harvard: H. A. Bull '95, R. C. Ringwalt '95, T. L. Ross L. S.