Saturday, May 21.

*MORNING PRAYERS. Rev. Paul Revere Frothingham. Appleton Chapel, 8.45 A. M.

BUSSEY SEMINAR. "Chromosomes in Heredity." Mr. W. R. B. Robertson and Mr. R. A. Spaeth. Bussey Institution, 2 P. M.

Sunday, May 22.

**MORNING SERVICE. Rev. Paul Revere Frothingham, S.T.B., of Boston. Appleton Chapel, 11 A.M. Students of the University enter at the south side-door. Students accompanied by friends enter at the south side-door. Officers of the University and their families enter at the north side-door. No seats except in the galleries will be open to the public.

**BUSSEY INSTITUTION LECTURES. "Making New Plants by Selection." Professor East. Bussey Institution, 4 P. M.

Monday, May 23.

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

*SEMINARY OF AMERICAN INSTITUTIONS. "Primary Elections." Mr. R. C. Woolsey. Sever 9, 4 P. M.

*PHYSICAL COLLOQUIUM. "Angstrom: on the Absorption of Gases." Mr. D. L. Webster. Jefferson Physical Laboratory, Room 24, 5 P. M.

SEMINARY ON AIMS AND METHODS OF PHILOSOPHICAL STUDY AND TEACHING. Topic: "The Definition and the Training of 'The Reason.'" Professor Royce and others. 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.

Tuesday, May 24.

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

*GEOLOGICAL CONFERENCE. "Geology of the Ice River District, B.C." Mr. C. T. Brodrick. "Progress in Antarctic Meteorology." Mr. B. M. Varney. "Polar Climates and Antarctic Geology." Professor Davis. Mineralogical Lecture Room, 8 P. M.

Wednesday, May 25.

Last day for Juniors to make application to have degree taken in 1910 recorded "as of 1911" in the Quinquennial Catalogue. (See University Catalogue, 1909-10, page 525, foot-note).

Last day for receiving from undergraduates applications for College Scholarships.

*LECTURE. "Recent Studies in Epidemic Poliomyelitis and their General Significance with Reference to the Communicable Diseases." Dr. Simon Flexner, Director of the Rockefeller Institute for Medical Research. Lecture Room, Building E, Medical School, Longwood avenue, Boston, 3 P. M. Open to members of the University and to physicians.

Thursday, May 26.

*ZOOLOGICAL CLUB. "Division of Labor among Ants." Miss E. N. Buckingham. Zoological Laboratory, 4th floor, Room 4, 4.45 P. M.

Saturday, May 28.

BUSSEY SEMINAR. "Inheritance in Antirrhinum." Mr. E. C. MacDowell. "Inheritance among Polymorphic Lepidoptera." Dr. G. T. Hargitt. Bussey Institution, 2 P. M.

*EXERCISES IN ABNORMAL PSYCHOLOGY. Last Demonstration. Topic: "Dementia Praecox and Manic Depressive Insanity--Criminal Types and Psychopaths." Dr. Edwin Katrenellenbogen Danvers State Hospital, Hathorne, 4.6 P. M. Train leaves North Station, Boston, at 2.48 P. M.