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.