Wednesday, March 23.

*MORNING PRAYERS. Rev. Professor Edward Caldwell Moore. Appleton Chapel, 8.45 A. M.

*SUPPLEMENTARY LECTURE IN MATHEMATICS H. "The Method of Inversion." Professor J. L. Coolidge. Sever 23, 12 M.

*LECTURE. "The Principles of Immunology and their Applicability to Diagnosis and Therapy." VII. Dr. F. P. Gay. Lecture Room, Building E. Medical School, Longwood avenue, Boston, 3 P. M. Open to members of the University and to physicians.

**CERCLE FRANCAIS LECTURES. "Contingence et Liberte." VIII. M. Emile Boutroux. Emerson D, 4.30 P. M.

**LECTURE. "The Value of Cicero's Philosophical Works." Dr. J. S. Reid, Professor of Ancient History in the University of Cambridge. Harvard 1, 4.30 P. M.

**LECTURES ON MODERN COMPOSERS. VI. "Reger and Strauss." Professor Spalding. Songs of Strauss and Reger, Mr. Earl Cartwright. "Variations on a Theme of Bach," by Reger, Mr. Charles P. Anthony. Lecture Room of the Fogg Museum, 8.15 P. M.