Monday, April 4.

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

FACULTY OF DIVINITY. Meeting in the Faculty Room, Divinity Library, 4 P. M.

SEMINARY OF AMERICAN INSTITUTIONS. "The Relation of Public Authority to Strikes." Mr. W. B. S. Crichlow. Sever 9, 3.30 P. M.

*PHYSICAL COLLOQUIUM. "The Theory of the Singing Are." Professor G. W. Pierce. Jefferson Physical Laboratory, Room 24, 5 P. M.

SEMINARY ON AIMS AND METROPS OF PHILOSOPHICAL STUDY AND TEACHING. (Joint Meeting with the Philosophical Club). Topic: "Psychological Doubt and Rational Doubt." Mr. A. R. Chandler. Emerson C, 7.30 P. M. Open to all Graduate Students of Philosophy who are registered either in Harvard or in Radcliffe, and also to all Undergraduate members of the Philosophical Club.

**LECTURES ON DAVID RICARDO. I. "The Life of Ricardo." Professor Jacob H. Hollander, of Johns Hopkins University. Emerson A, 8 P. M.

Tuesday, April 5.

FACULTY OF ARTS AND SCIENCES. Meeting at University 5, 4 P. M.

**LECTURES ON SAMARIA. I. "History and Present Condition of Samaria." Professor Lyon. Semitic Museum, 3.30 P. M.

**LECTURES ON DAVID RICARDO. II. "The Work of Ricardo." Professor Jacob H. Hollander, of Johns Hopkins University. Emerson A, 8 P. M.

Wednesday, April 6.

BOARD OF OVERSEERS. Special Meeting at 50 State street, Boston, 11 A. M

*LECTURE. "The Relations between Public Service Corporations and the Public." Mr. W. G. McAdoo, President of the Hudson and Manhattan Railroad Company, New York, N. Y. Emerson A, 8 P. M.

**READINGS FROM FRENCH WRITERS. V. "La messe de minuit de Gregoire VII" (from "Autour d'une tiare") and "Rose d'automne." Mr. Louis Allard. Emerson J, 8 P. M.