Appleton Chapel, 7.30 p.m. Professor Henry Drummond, of Glasgow. (The whole floor of the Chapel will be reserved for members of the University and their families until 7.30.)

Members of the University are requested to enter by the south door. The galleries will be open to the public at 7.20.

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

Rev. Professor D. G Lyon will conduct prayers from April 17-22.

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

Dr. Lyon may be found at Wadsworth House 1 daily from 9-10.

17. MONDAY.Seminary of American History and Institutions. Madison in Retirement (continued). Mr. Ralph Woodworth. University 20, 4.30 p. m.

Lecture. Sir Walter Scott. Mr. E. Charlton Black. Sever 11, 7.30 p. m.

Open to the public.

Geological Conference. T. W. Vaughan, "Early Correlation of the Cretaceous and Tertiaries"; J. V. Lewis. "Published Sections of the Appalachians"; F. C. Schrader, "Regional Metamorphism in the Ardennes." Geological Laboratory, 7.45 p. m.

A Talk to Students. Professor Henry Drummond. Boylston Hall, 8 p. m.

Open to members of the University only.

18. TUESDAY.Mathematical Seminary. Some recent discoveries in elementary kinematics. Dr. M. Bocher. University 19, 3.30 p. m. The lecture will be followed by a discussion of problems to be announced on the bulletin board.