Appleton Chapel, 7.30 p.m. Rev. Leigh ton Parks, D. D. (The front pews will be reserved for members of the University until 7.30.)

* Week-day morning prayers begin at 8.45 a. m. No seats are assigned, either for officers or for classes.

Rev. Leighton Parks will conduct prayers from Oct. 6-26.

The Preacher conducting morning prayers may be found at Wadsworth House 1 every week-day during his term of service.

Dr. Parks may be found at Wadsworth House 1 daily from 9-11 a. m.

17. MONDAY.Classical Philology 1. The Study of Greek History. Professor Wright. Harvard 1, 3.30p.m.

Seminary of American History and Institutions. Sources of American History. Professors Channing and Hart. University 20, 4.30p.m.

* Open to members of the Graduate School.

Semitic Conference. The Book of Amos. Outline of the year's work. Professor Toy. Sever 7, 7.15 p.m.

* Open to students interested in Semitic study.

18. TUESDAY.Faculty of Arts and Sciences. Meeting at University 5, 4 p. m.

Illustrated Lecture. American Expedition to Babylonia. Discovery of the original Temple and High-place of Bel. Professor J. P. Peters, University of Pennsylvania, Leader of the Expedition, Jefferson Physical Labratory, 7.30 p.m.

* Open to the public.

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.

The hymn written by Professor J. K. Paine for the opening of the World's Fair will be sung by the University Choir and Glee Club.

Seats will be reserved for members of the University and their families until 8.45 a. m.

Classical Philology 1. Topography of the city of Rome. Mr. Parker. Harvard 1, 3.30 p. m.

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

Open to the public.

LECTURE ON BABYLONIA.Under the auspices of the Semitic Conference, Professor J. P. Peters will give on the evening of Oct. 18, in the Jefferson Physical Labratory. an account of his recent important excavations in the ruins of Niffer, one of the oldest centres of Babylonian culture. The lecture will be illustrated by stereopticon views.