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 20.

10.30.--Meeting of President and Fellows of Harvard College at 50 State street.

4.30.--Lecture on Christian Science in Emerson Hall.

5.00.--Military mass meeting in the New Lecture Hall for organization of Harvard Regiment.

5.00.--Physical Colloquium. "Stark: on the Constitution of Matter," by Dr. Harry Clark, Jefferson Physical Laboratory, Room 25.

7.00.--Meeting for those interested in boxing in the Trophy Room of the Union.

7.30.--Seminary of Economics. "The Relation of Employer to Employee," by Mr. H. S. Dennison, Conant Common Room.

8.15.--Christmas Carols in Appleton Chapel. The University Choir, assisted by the Choral Society of Radcliffe College.

Tuesday, December 21.

4.00.--Meeting of Faculty of Arts and Sciences in University 5.

6.45.--Football dinner at the Copley Plaza Hotel.

8.15.--Christmas Carol service in Appleton Chapel.

Wednesday, December 22.

8.00.--Christmas service at Andover Chapel.

Recess from December 23, 1915, to January 2, 1916, inclusive.

Friday, December 24.

8.00.--Reception for students remaining in Cambridge by President and Mrs. Lowell.