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

Monday, December 6.

3.00.--Soccer vs. Haverford, at Haverford.

5.00.--Physical Colloquium. "The Theory of the Errors of Physical Measurements," by Mr. M. D. Hersey. Jefferson Physical Laboratory, Room 25.

7.30.--Seminary of Economics. "Some Effects of the War on French Industries," by Mr. A. L. Dunham. Widener V.

8.00.--Christian Association Party, Y. M. C. A. Building, Central Square.

8.00.--Topiarian Club. Address by Mr. C. D. Lay, Landscaple Architect. Robinson Hall, Lecture Room A.

8.00.--Cercle Francais plays. Agassiz House.

8.00.--Pierian Concert at Worcester.

Tuesday, December 7.

12.00.--Additional nominations for Senior class officers due, Thayer 8.

4.00.--Faculty of Arts and Sciences. Meeting at University 4.

8.00--Lecture, "Andrea della Robbla," by Professor Allan Marquarad of Princeton University. Fogg Museum, Lecture Room.

8.00.--Cercle Francais plays, Copley Hall, Boston.

8.15.--Organ Recital. Mr. R. G. Appel, assisted by Mr. M. J. Barker. St. John's Memorial Chapel, Episcopal Theological School.