Saturday, February 23.

*LECTURE. "Antitoxins: Their Nature, Preparation, and Use in the Prevention and Treatment of Disease." Dr. Theobald Smith. Medical School, Longwood avenue, Boston, 8 P. M.

Sunday, February 24.

**EVENING SERVICE. Rev. President James G. K. McClure, D.D., of Chicago, III. Appleton Chapel, 7.30 P. M.

**LECTURE. "What Surgery can and cannot do." Dr. Maurice H. Richardson. Harvard Medical School, Longwood ave., Boston, 4 P. M.

Monday, February 25.

PRESIDENT AND FELLOWS OF HARVARD COLLEGE. Meeting at 50 State street, Boston, 10.30 A. M.

SEMINARY OF ECONOMICS. "The English Board of Trade during the Seventeenth and Eighteenth Centuries, and its Records." Mr. J. R. H. Moore. University 23, 4.30 P. M.

**HARVARD PHILOSOPHICAL CUB. Post Kantian Idealism I. "An Outline of Kant's Position." Professor Royce. Lecture Room, Emerson Hall (first floor), 4.30 P. M.

*PHYSICAL COLLOQUIUM. "Fischer's Experiments on Coupled Condensers." Dr. G. W. Pierce. Jefferson Physical Laboratory, Room 25, 5 P. M.

MODERN LANGUAGE CONFERENCE: "The Gest of Robin Hood." Mr. Clawson.- "The Lydgate Canon." Mr. MacCracken. Common room, Conant Hall, 8 P. M.

*LECTURE. "The Relation of the Medical Profession to the Law and the Courts." II. Ezra R. Thayer, LLB Administration Building of the Medical School, Room 205, 8 P. M.

**LECTURE. "Socialism and the Allied Social and Economic Questions." III. Mr. W. H. Mallock. Lecture Room, Emerson Hall (first floor), 8 P. M.

Tuesday, February 26.

**LECTURE. "Socialism and the Allied Social and Economic Questions." IV. Mr. W. H. Mallock. Lecture Room, Emerson Hall (first floor), 8 P. M.