Principal disputants-affirmative, C. D. Wetmore, G. Wright; negative, C. Friend, J. P. Nield.

Divinity School Chapel. Conference. 4.15 p. m.

Harvard Union. Debate. Sever 11, 7.30 p. m.

Question: "Resolved, That the United States should not materially increase its navy."

Principal disputants.- affirmative, W. Austin, L. S., A. H. Williams, '91; negative, M. B. May. L. S., A. P. Butterworth, '89.

18. THURSDAY.Physics A. Lecture 9. Steady Currents of Electricity. Professor B. O. Peirce. Jefferson Physical Laboratory. 12 m.

These lectures are open to all members of the university.

Exhibition of a new collection of Babylonian antiquities (books, seals, and gems). Professor Lyon. Sever 11, 4 p. m.

Open to the public.

Chamber Concert. The Kneisel Quartet. Sever 11, 8 p. m.

Admission by ticket.

19. FRIDAY.The Greek Theatre. Lecture 2. Professor John Williams White. Jefferson Physical Laboratory, 3 p. m.

This lecture, though intended especially for freshmen, is open to the public. The central row of seats will be reserved for students.