19. WEDNESDAY.Mathematical Seminary. Mobius' "Theorie der Kreisverwandtschaft." Mr. J. W. Glover. University 19, 3.30 p. m.

* The lecture will be followed by a discussion of problems to be announced on the bulletin-hoard.

Open to all members of the University.

Classical Philology 1. Geography of the Roman Empire. Mr. Parker. Harvard 1, 3.30 p. m.

Divinity School. Debate. Divinity Library, 4.30 p. m.

Ethics of the Social Questions. Ethical Theories and the Social Questions. Professor Francis G. Peabody. Sever 11, 7.30 p. m.

* Open to the public.

20. THURSDAY.English 6. Oral Debate. Harvard 6, 3.30 p. m.

* Question: "Resolved. That Congress ought to pass a comprehensive quarantine act." Principal disputants. - Affirmative: W. N. Cottrell and W. H. Davis. Negative: A. H. Gordon and W. Hill.

Open to all students of the University.

Symphony Orchestra Concert. Sanders Theatre, 7.45 p. m.

21. FRIDAY.Appleton Chapel, 8.45 a. m. Special Commemorative Service, Rev. Professor F. G. Peabody, Address by Justin Winsor, LL. D.; Reading of Lowell's "Columbus," by Rev. Professor J. W. Churchill.