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, December 23.

10.30.--Intercollegiate chess tournament at Murray Hill Hotel, New York.

Tuesday, December 24.

10.30.--Intercollegiate chess tournament at Murray Hill Hotel, New York.

8.00-10.00.--*President and Mrs. Lowell's Christmas Eve reception at 17 Quincy street.

Christmas Day.

6.45-10.00.--*Phillips Brooks House festival.

Thursday, December 26.

4.00.--Reception of Harvard Dames in Brooks House Parlor.

Friday, December 27.

4.00-6.00.--*University Tea in Phillips Brooks House.

Monday, December 30.

9.00.--Meeting of the executive committee of American Economic Association in New Lecture Hall.

10.00.--**Meeting of the Economic Association in the New Lecture Hall.

10.00.--**Meeting of Political Science Association in Sever Hall, Room 11.

10.00.--**Meeting of the Historical Association. American History in Room J. Emerson Hall. Modern History in Fogg Lecture Hall.

10.00.--**Meeting of Mississippi Valley Historical Association in Emerson Hall, Room D.

12.30.--Luncheon to Associations in Memorial Hall.

2.00.--**Historical and Political Science Associations joint meeting in New Lecture Hall.

2.00-5.00.--Meeting of Economics Association in Fogg Lecture Hall and Harvard 6.

5.00.--Reception to the Associations by President and Mrs. Lowell at 17 Quincy street.

6.00.--Dinner to the Economics Association in the Union.

Friday, January 3.

9.00-1.20.--*Registration for students in Harvard College.

4.00-6.00.--University Tea in Brooks House Parlor.

8.00.--*Meeting of Christian Science Society in Brooks House.