Following is a list of the principal happenings of today and tomorrow:

Today, Class Day.

9.00.--Service for the Senior class in Appleton Chapel, conducted by Professor George Herbert Palmer.

11.00.--Sanders Theatre. Oration by Watson McLeary Washburn '15; poem by Lionel deJersey Harvard '15; ode by Devereux Colt Josephs '15.

3.00.--First Harvard-Yale baseball game, at New Haven.

2.00.--College Yard closed to all but ticket-holders.

4.00.--The Stadium. Ivy Oration by David Rives Sigourney '15.

8.00-11.00.--Dancing in Hemenway Gymnasium and in Memorial Hall.

9.00.--Singing by the Glee Club on the front steps of Widener Library.

Tomorrow, Reunion Day.

"Alumni Day" of the Dental Alumni Association at the Dental School.

10.00.--Meeting of the Divinity School Alumni Association, in Divinity Chapel.

11.30.--Radcliffe Commencement in Sanders Theatre.

12.00.--Annual meeting of Law School Association in Langdell Hall.

12.30.--Divinity Alumni luncheon in Divinity Hall.

1.00.--Law School Association luncheon in the Harvard Union.

3.30.--Second Harvard-Yale baseball game, on Soldiers Field.

5.00.--Forty-fourth annual banquet of the Dental School Alumni Association, at Young's Hotel, Boston.