Monday, March 28.

*MORNING PRAYERS. Rev. Professor Edward Caldwell Moore. Appleton Chapel, 8.45 A. M.

PRESIDENT AND FELLOWS OF HARVARD COLLEGE. Meeting at 50 State Street, Boston, 10.30 A. M.

*LECUTES. "Geology of Fuels, Fluxes, and Refractory Materials." VII. Mr. Louis C. Graton. Rotch Building, 4.30 P. M.

*SEMINARY OF ECONOMICS. "Old Age Pensions." Professor F. S. Baldwin, of Boston University. Upper Dane 2, 4.30 P. M.

*PHYSICAL COLLOQUIUM. "The Gas Turbine Problem." Dr. H. N. Davis. Jefferson Physical Laboratory, Room 24, 5 P. M.