Tuesday, March 14.

**MORNING PRAYERS. Rev. Samuel S. Drury, L.H.D., Vice-Rector of St. Paul's School, Concord, N. H. Appleton Chapel, 8.45 A.M. The University preacher may be found at Wadsworth House 1 daily from 9 to 11 o'clock in the morning.

*LECTURE. "Geology of Fuels, Fluxes, and Refractory Materials." VI. Professor Graton. Rotch Building, 8 A.M.

BUSSEY SEMINAR. "Inheritance of Variegation in Plants." Mr. H. K. Hayes. Bussey Institution, 1.30 P.M.

GEOLOGICAL CONFERENCE. "The Geology and Geography of Vancouver Island." Dr. C. H. Clapp, of the Geological Survey of Canada. "Review of Rizzo's Paper on the Messina Earthquake of 1908." Professor Woodworth. Mineralogical Lecture Room, 4.30 P.M. Open to graduates and to members of the University.

*LECTURE. "The Philosophy of Pure Experience of Richard Avenarius. III. The Problem of Knowledge." Dr. G. C. Cox. Emerson F, 4.30 P.M. Open primarily to students of Harvard University and of Radcliffe College, but other persons may be admitted upon application to the Lecturer.

*WILLIAM BELDEN NOBLE LECTURES. "Civilization at the Cross Roads. III. The Challenge of the Cross." Rev. J. Neville Figgis, of Mirfield, Yorkshire, England. Lecture Room of the Fogg Museum, 8 P.M.