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 Calender."

Monday, May 4.

4.00.--Second baseball team vs. Tufts Second at Soldiers Field.

4.00.--Class lacrosse games start.

5.00.--*Physical Colloquium. "Optical-Phenomena demonstrated by Ripples on Water." Dr. Chaffee. Jefferson Physical Laboratory, Room 25.

8.00.--**Lecture. "Typical Christian Hymns in common use. III. Luther and Clement Marot," Hon. Maurice F. Egan.

Tuesday, May 5.

1.00.--Senior picture in rear of Memorial Hall.

1.15.--Freshman picture in rear of Memorial Hall.

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

4.00.--University baseball team vs. Lafayette at Soldiers Field.

8.00.--**Ingersoll Lecture on the Immortality of Man. "Metempsychosis." Professor George Foot Moore in Emerson D.

8.15.--Joint meeting of Boston Society of Medical Sciences and Harvard Medical School Historical Club. Warren Museum, Harvard Medical School, Boston.

9.00.--Interdormitory smoker.

Wednesday, May 6.