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.

2.30.--CRIMSON baseball game with Phi Beta Kappa.

4.00.--Second baseball team vs. Holy Cross 1917 at Soldiers Field.

4.00.--Freshman baseball team vs. Rindge Training School.

4.00.--Tennis team vs. Dartmouth at Hanover.

4.00.--Freshman tennis team vs Andover at Andover.

4.00.--Interclass crew races.

4.00.--Meeting of Faculty of the Graduate Schools of Applied Science at University 5.

4.45. -- *Chemical Colloquium. "The Thermochemistry of Solutions." Dr. A. W. Rowe. T. Jefferson Coolidge, Jr., Memorial Laboratory.

5.00. -- Lecture. "Typical Christian Hymns in Common Use. IV. Watts and Wesley." Hon. Maurice F. Egan. Emerson D.

7.00.--Meeting of St. Paul's Society. Rev. Prescott Everts Rector of Christ Church, Cambridge, on "The Origin of the Prayer Book Services."

7.30.--Freshman smoker in Living Room of Union.

8.00.--**Dudleian Lecture. "Natural Religion." Rev. Merle St. Croix Wright, Minister of Unity Church, New York, in Emerson J.

Thursday, May 7.

4.00.--*Lecture. "Horace's Sabine Farm." (Illustrated) Professor E. K. Rand, Harvard 1.

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

8.00.--Mr. Frederick W. Davis on "The Panama Caual" in Living Room of Union.

Friday, May 8.

4.45.--Meeting of Harvard Zoological Club. Mr. D. H. Wenrich. Zoological Laboratory, Room 46.

5.00. -- *Lecture. "Typical Christian Hymns in Common Use. V. Lyte, Bonar, and Faber." Hon. Maurice F. Egan, Emerson D.

8.00.--Freshman Triangular Debate with Yale in New Lecture Hall.

Saturday, May 9.

3.00.--Harvard-Cornell dual track meet at Ithaca.

3.00.--Baseball game with Amherst at Soldiers Field.

3.00.--Second baseball team vs. Boston Harvard Club.

3.00.--Freshman baseball team vs. Worcester, at Worcester.

3.00.--Lacrosse team vs. Stevens at Stevens.

3.00.--Interscholastic tennis meet at Jarvis Field.

8.00.--Meeting of Romance Seminary in Upper Warren.

8.15.--Intercollegiate Glee Club Meet in Carnegie Hall, New York.