Saturday, April 11.

**MORNING PRAYER. Rev. Lyman Abbott, Appleton Chapel, 8.45 A. M.

**LECTURE. "Foods in Health and Disease." Dr. Maurice Vejux Tyrode. Medical School, Longwood avenue, Boston, 8 P. M.

Sunday, April 12.

**EVENING SERVICE. Rev. Lyman Abbott, D.D., of New York, N. Y. Appleton Chapel, 7.30 P. M.

**LECTURE. "The Development of the Microscope." Dr. Harold C. Ernst. Medical School, Longwood avenue, Boston, 4 P. M.

Monday, April 13.

**LECTURES ON THE HISTORY OF EDUCATION. II. "Some Aspects of Mediaeval Student Life." (Illustrated by Lantern Slides.) Professor A. O. Norton. Lecture Room, Robinson Hall, 4.30 P. M.

*SEMINARY OF ECONOMICS. "The Land Policy of Australia." Dr. Victor S. Clark. University 23, 4.30 P. M.

*PHYSICAL COLLOQUIUM. "The Relation of Light of Very Short Wave-length to Some Vacuum-tube Phenomena." Professor Lyman. Jefferson Physical Laboratory, Room 3, 5 P. M.

SEMINARY ON AIMS AND METHODS OF PHILOSOPHICAL STUDY AND TEACHING. Topic: "Studies Auxiliary to Philosophy." Professor Royce. Emerson C, 7.30 P. M.

**LECTURE. "Edwin Lawrence Godkin." James Ford Rhodes, LL.D. Emerson D, 8 P. M.

Tuesday, April 14.

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

*GEOLOGICAL CONFERENCE. "Permo-Carboniferous Glaciation and the Shaler Memorial Expedition to Brazil." (Illustrated by the stereopticon.) Professors Davis and Woodworth. Mineralogical Lecture Room, 8 P. M.