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, May 11.

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

2.30.--Interscholastic Tennis on Jarvis Field.

2.30.--Golf tournament at Oakley.

3.15.--Meeting of Board of Overseers in University 5.

5.00.--*Physical Colloquium. "Optical Properties of Herapathite." Mr. J. B. Brinsmade. Jefferson Physical Laboratory, Room 25.

8.00.--Freshman Musical Clubs at Chestnut Hill.

8.00.--Modern Language Conference. "The Child Actors of the Sixteenth and Seventeenth Centuries." Mr. H. N. Hillebrand. "The Influence of French Drama on the English Drama of the First Forty Years of the Nineteenth Century." Mr. Maicolm McLeod. Conant Common Room.

Tuesday, May 12.

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

4.00.--University baseball team vs. Fordham on Solidiers Field.

4.00.--Tennis team vs. University of Pittsburg on Jarvis Field.

4.30.--*Geological Conference. The Mineralogical Determination of a Sand," Mr. J. M. Longyear, Jr. "The Glamorgan Gabbro Area, Ontario," Mr. W. G. Foye. Mineralogical Lecture Room, University Museum.

7.30.--*Meeting of Undergraduate Economic Society in Trophy Room of Union. Professor Foerster on "Immigration."