University Calendar.

*Open to the Public. **Open to the University.

Sunday, December 20.

*Appleton Chapel, 7.30 P. M. Rev. Lyman Abbott, D.D., of New York, N. Y. Rev. Lyman Abbott, D.D., will conduct morning prayers December 21 and December 22. He may be found at Wadsworth House 1 daily from 9 till 11.

Monday, December 21.

**Physical Colloquium. Townsend's Theory of the Spark Discharge; Dr. Lyman. Jefferson Physical Laboratory, Room 25, 4.45 P. M.

**Seminary of Economics. The Effect of Trade Unions upon Industrial Efficiency; Mr. Henry White, Secretary of the United Garment Workers of America. Harvard 1, 7.30 P. M.

Concert. The Kneisel Quartet, assisted by Mr. Harold Bauer. Lecture Room of the Fogg Museum, 8 P. M. Program; Tchaikovsky, Quartet in F major; Beethoven, Sonata for Violoncello and Pianoforte; Brahms, Quartet for Pianoforte and Strings.

Wednesday, December 23.

The Christmas Recess begins today and ends on January 2, 1904.

Friday, January 1, 1904.

Last day for receiving dissertations for the Boylston Medical Prizes.

**University Tea. Phillips Brooks House, 4 to 6 P. M.