Saturday, April 6.

FACULTY OF MEDICINE. Meeting at Medical School, Boston, 8 P. M.

**LECTURE. "Some Phases of the Tuberculosis Problem." Dr. Arthur K. Stone. Medical School, Longwood avenue, Boston, 8 P. M.

Sunday, April 7.

**EVENING SERVICE. Rev. Paul Revere Frothingham, of Boston. Appleton Chapel, 7.30 P. M.

**LECTURE. "Vaccines: Their Nature, Preparation and Uses, with special reference to Smallpox Vaccination." Dr. Theobald Smith. Medical School, Longwood avenue, Boston, 4 P. M.

Monday, April 8.

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

SEMINARY OF AMERICAN INSTITUTIONS. "The Initiative and Influence of the Presidents in Legislation, 1789-1861." Mr. C. F. Abbott. Sever 9, 3.30 P. M.

SEMINARY OF ECONOMICS. "A Journey into the Tobacco-raising Districts of the West and South." Mr. S. O. Martin. University 23, 4.30 P. M.

*PHYSICAL COLLOQUIUM. "Recent Experiments with Roentgen Rays." Mr. J. M. Adams. Jefferson Physical Laboratory, Room 25, 5 P. M.

MODERN LANGUAGE CONFERENCE. "Poe's Use of his Sources in Four Tales." Mr. Armes. "Cupid and Psyche." Mr. Beach. Common Room, Conant Hall, 8 P. M.

**PHILOSOPHICAL CLUB. "Logical Methodeutic. I. Retroduction, or the Framing of Hypotheses." Mr. C. S. Peirce. Emerson B, 8 P. M.

*LAW PRACTICE ASSOCIATION. "Jury Trials." Mr. C. F. Choate, Jr. New Lecture Hall, 8 P. M.

**MENORAH SOCIETY. "Jewish Ideals." Professor R. B. Perry. Emerson D, 8 P. M.

Tuesday, April 9.

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

*GEOLOGICAL CONFERENCE. "On the Pleistocene Terraces of the Maryland Coastal Plain." Professor Davis. Mineralogical lecture Room, 8 P. M.

Wednesday, April 10.

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

*BOTANICAL CLUB. "The Habits and Structure of the Pond-weeds." (Illustrated by the Stereopticon.) Dr. M. A. Chrysler. Nash Lecture Room, 4.45 P. M.

Thursday, April 11.

**LAST VESPER SERVICE OF THE YEAR. Rev. John Hopkins Denison. Appleton Chapel, 5 P. M. The front seats are reserved for students and for officers of the University and their families till 4.55 P. M.

Friday, April 12.

*ZOOLOGICAL CLUB. "The Optic Apparatus in Eucalanus." Mr. C. O. Esterly. Short Papers. Zoological Laboratories, Fourth Floor, M. Z., Room 4, 4.45 P. M.

**PHILOSOPHICAL CLUB. "Logical Methodeutic. II. Induction, or the Experimental Method." Mr. C. S. Peirce. Emerson B, 8 P. M.

*DIVINITY CLUB. "The Ministry from a Practical Point of View." The Rt. Rev. William Lawrence, D.D. Common Room, Divinity Hall, 8 P. M.

Saturday, April 13.

**LECTURE. "Pulmonary Tuberculosis." Dr. Harold C. Ernst. Medical School, Longwood avenue, Boston, 8 P. M.

Recess from April 14 to April 20, inclusive.