All notices for the weekly CRIMSON Calendar must be placed in the notice box in the CRIMSON Office on Fridays before 5 o'clock, marked "For the CRIMSON Calendar."

Monday, April 22.

Senior caps and gowns delivered at Co-operative today.

9.00-6.00.--**Architectural exhibit of designs submitted in interscholastic competition, in Large Drawing Room, Robinson Hall.

10.30.--Special meeting of President and Fellows of Harvard College, at 50 State street, Boston.

4.30.--Seminary in Economics. "Nassau W. Senior and the Development of the English Poor Law Policy." Lecture by Mr. A. B. Balcom, A.M. '09, in Upper Dane.

5.00.--*Physical Colloquium. "A Criticism of Neinst's Theoretical Chemistry, especially the First Chapter," by Professor Hall, in Room 25, Jefferson Physical Laboratory.

7.00.--Freshman Mandolin Club meeting in Trophy Room of Union.

8.00.--Modern Language Conference. Address on "The Invention of the Sonnet," by Dr. E. H. Wilkins, in Common Room, Conant Hall.

Tuesday, April 23.

4.00.--**Baseball game with Bates at Soldiers Field.

6.00-8.00.--Speakers' Club fortnightly dinner in Small Dining Room, Memorial Hall. Annual election.

6.00.--Last opportunity for candidates for University tennis team to sign at H. A. A. Office, or at 1727 Cambridge street.

7.00.--Freshman Mandolin Club meeting in Trophy Room of Union.

7.30.--Cosmopolitan Club international night, in club rooms, Holyoke 7.

Wednesday, April 24.

2.00-6.00.--Trials for University tennis team.

4.00.--**Freshman baseball game with Brookline High at Soldiers Field.

4.00.--**Interclass track games, in the Stadium.

6.30.--Stone School meeting in Trophy Room of Union.

7.00.--St. Paul's Society weekly meeting. Address on "College as an Aid in the Choice of a Life Work," by Rev. Endicott Peabody, D.D., Headmaster of Groton School, in Noble Room, Phillips Brooks House.

7.00.--Freshman Red Book meeting in Committee Room of Union.

8.00.--**Pierian Sodality annual concert in Sanders Theatre.

Thursday, April 25.

Last day for receiving names of competitors for Boylston prizes for Elocution.

3.00.--Meeting of Harvard Dames in Parlor of Brooks House.

4.00.--**Baseball game with University of Maine at Soldiers Field.

4.30.--Cosmopolitan Club weekly tea. Address by Professor W. R. Thayer.

4.45.--**Harvard Zoological Club. Address on "The Carnegie Zoological Laboratory at Montego Bay," by Dr. H. L. Clark '87, in Zoological Lecture Room, University Museum, fourth floor, Room 4.

8.00.--**Eighth Boston Symphony Orchestra Concert in Sanders Theatre. Soloist: Miss Irma Seydel.

8.15.--**Public performance of "Imposter," by Pi Eta Club at clubhouse.

Friday, April 26.

2.00.--Bussey Seminar. Address on "Chromosomes and Inheritance Studies in Tobacco," by Mr. O. E. White, at Bussey Institution.

4.30.--*Classical Conference. Addresses on "The Latin Epyllion," by Professor C. N. Jackson '98; "Ulysses and Nausica in the Work of the Greek Vase-Painters," (illustrated), by Mr. H. T. Fick '02; and "Recent Discoveries near Mahdia," (illustrated), by Professor G. H. Chase '96; in Harvard 1.

8.00.--*Harvard Philosophical Club. Address on "The Contemporary Revival of Animism," by Dr. G. P. Adams 2G., in Emerson C.

8.00.--*Harvard Engineering Society. Address on "Typical Hydroelectric Plants of Maine," by Mr. G. S. Deming, in Common Room, Conant Hall.

8.00.--Romance Seminary meeting in Seminary Room, Gore Hall.

8.15.--**Public performance of "Imposter," by Pi Eta Club, at clubhouse.

Saturday, April 27.

Last day to make changes in Senior class list as posted in Leavitt & Peirce's.

2.15.--**Public matinee performance of "Imposter," by Pi Eta Club, at Jordan Hall, Boston.

2.30.--**University golf tournament with Fall River at Fall River.

3.00.--**Freshman track meet with Andover at Andover.

3.30.--**Baseball game with Colby, at Soldiers Field.

4.00.--**Freshman baseball game with St. Mark's at Soldiers Field.