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."

Sunday, October 26.

11.00.--**Morning Service. Rev. Elwood Worcester, Ph.D., D.D., Rector of Emmanuel Church, Boston, in Appleton Chapel.

4.00.--**Lecture, "Stable Ventilation." (With lantern slide demonstration), by Professor James B. Page, of Amherst, at Harvard Medical School, Longwood avenue, Boston.

Monday, October 27.

4.30.--**Lecture. "The Validity of the Religious Experience. I. The Problem," by Rev. George H. Barrow, in Emerson F.

5.00.--*Physical Colloquium. "The Magnetic Susceptibility of Water," by Dr. H.T. Hayes, in Jefferson Physical Laboratory, Room 25.

8.00.--Lowell Institute Lecture.

Tuesday, October 28.

4.30.--**Lecture. "The Validity of the Religious Experience. II. Analysis of the Religious Experience," by Rev. George H. Barrow, in Emerson F.

8.00.--*Geological Conference. "The Making of a Geological Folio," by Dr. L. La Forge.--"Eastern Excursions of the International Geological Congress," by Professor Raymond and Messrs Wigglesworth and Powers in Mineralogical Lecture Room of University Museum.

8.00.--Lecture on Labrador, by Dr. Grenfell in Union.

8.15.--Organ Recital by Dr. A.T. Davison, Jr., in Appleton Chapel.

Wednesday, October 29.

4.30.--**Lecture. (In French). "Etudes de litterature comparee. Le type de 'l'honnete homme' et les classiques francais du XVIIe siecle. X. Paris et les Provinces." Professor Fernand Baldensperger. Emerson D.