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 9.

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

4.30.--*Lecture by Dr. H. T. Costello on "The Logic of Science. I. The Irrationality of Genius," in Emerson F.

4.30.--Seminary of Economics. "The Award of the Locomotive Engineers' Arbitration Board," by Professor Cunningham, in Upper Dane.

5.00.--*Physical Colloquium. "Wood: on Resonance Spectra of Sodium and Iodine" by Dr. H. L. Blackwell, in Jefferson Physical Laboratory, Room 25.

7.00.--Freshman service in Appleton Chapel.

8.00.--Musical Clubs concert at the Cochato Club in Braintree.

8.15.--Lecture by Major F. C. Marshall in the Dining Room of the Union.

Tuesday, December 10.

4.30.--*Geological Conference. "The Geology of the Region about Quebee City" by Professor Raymond, in the Mineralogical Lecture Room, University Museum.

4.30.--Fortnightly dinner of the Speakers' Club, in Memorial Hall Banquet Room.

7.00.--Senior Song Competition closes, Manuscripts should be sent to W. R. Burlingame, Thayer 38.

7.00.--Harvard Botanical Club. A Botanical Trip through Australasia by Mr. E. W. Sinnott, at 65 Hammond street.

8.15.--*Dramatic Club's first performance of "The Voice of the People," in Brattle Hall.