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, March 23.

4.30.--*Seminary of Economics. Professor Ripley on "Recent Experience in Railroad Construction Finance" in Upper Dane.

5.00.--*Physical Colloquium. Professor Bridgman on "The Phosphorus Problem," Room 25, Jefferson Physical Laboratory.

7.00.--Meeting of Freshman Bible Class in Phillips Brooks House.

8.00.--Modern Language Conference. Professor F. N. Robinson on "David ap Gwilym." Conant Common Room.

8.00.--Senator H. F. Hollis '92 on "From One Senator's View Point" in Living Room of Union.

8.00.--**Lowell Lecture. Bertrand Russell on "Our Knowledge of the External World.

Tuesday, March 24.

3.30.--*Lecture. "Spenser." VI. Dr. Percy W. Long in Lawrence 12.

4.00.--Special meeting of the Faculty of Arts and Science at University 5.

4.30.--**Lecture. "Japanese Art a General Survey." Professor Anesaki. Lecture Room, Fogg Art Museum.

4.30.--*Geological Conference. "Schuchert's Paleogeographic Maps," Professor Raymond. "The Serpentines of Quebec." Mr. Edward Wigglesworth. Mineralogical Lecture Room, University Museum.

8.15.--*Boston Society of Medical Sciences. Massachusetts General Hospital Boston.

8.15.--**Organ Recital. Dr. A. T. Davison, Jr., assisted by Mr. Otto Riedl. Andover Chapel.