Monday, November 4.

**BOTANICAL CLUB. "The Problem of Genetics." Professor William Bateson, Fellow of St. John's College, Cambridge, England. Nash Lecture Room, Botanical Museum, 10 A. M.

SEMINARY OF AMERICAN INSTITUTIONS. "Sources in American Institutions." Professor Hart. Pierce 109, 3.30 P. M.

*LECTURE. "Lysias and his Times." Professor Harris. Harvard 1, 4.30 P. M.

*PHYSICAL COLLOQUIUM. "Bragg, on a Theory of Ionising Radiation." Mr. P. W. Bridgman. Jefferson Physical Laboratory, Room 25, 5 P. M.

SEMINARY ON AIMS AND METHODS OF PHILOSOPHICAL STUDY AND TEACHING. Topics: "Philosophy as a Required Subject." "The Function of Philosophical Clubs." Professor Royce. Emerson C, 7.30 P. M.

MODERN LANGUAGE CONFERENCE. "English Influence on German Poetic Diction in the Eighteenth Century." Professor Walz. Common Room, Conant Hall, 8 P. M.

**LECTURE (in French). "Les idees americaines et suisses, et Ia Revolution Francaise." Professor Edmond Rossier, of the University of Lausanne. Lecture Room of the Fogg Museum, 8 P. M.