Appleton Chapel, 7.30 p. m. Rev. E. Winchester Donald, D. D., of Boston.

Week-day morning prayers begin at 8.45 a. m. No seats are reserved.

Rev. P. S. Moxom, D. D., will conduct prayers from May 4 to May 23.

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

Dr. Moxom may be found at Wadsworth House 1 daily from 9 to 11.

4. Monday.Seminary of American History and Institutions. The Negro since the Civil War. Mr. P. N. Booth.- Roger Sherman. W. B. Buch. University 20, 3.30 p. m.

Seminary of Economics. The Mercantile Policy and the English Woollen Industry. University 23, 4.30 p. m.

Physical Colloquium. Physical Problems in the Study of the Gas Engine. Mr. A. W. K. Billings. Jefferson Physical Laboratory, Room 24, 5 p. m.

Harvard Religious Union. Weekly Meeting. Subject: Spencer and the Discipline of Consequences. Parlors of the First Parish Church, 6.45 p. m.

Open to all members of the University.

Lecture. Semitic Languages and Literatures. I. Assyrian. Professor Lyon. Sever 5, 7.30 p. m.

Harvard Natural History Society. Lecture. I. Ferns (illustrated by stereopticon). Professor Farlow. Harvard 1, 8 p. m.

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

Freshman Debating Club. Regular Monthly Business Meeting and Debate. University 16, 7 p. m.

Question: "Resolved, That the Raines Liquor Bill is for the best interests of the people of New York."