Friday, May 19.

**MORNING PRAYERS. Rev. Charles Edwards Park. Appleton Chapel, 8.45 A. M. The University preacher may be found in Wadsworth House 1 daily from 9 to 11 o'clock in the morning.

**LECTURE. "The Structure of Mathematical and Inductive Systems." X. Dr. Karl Schmidt. Emerson F, 4.30 P. M.

**DIVINITY SCHOOL LECTURE. The Legal Relations of a Minister to his Parish." II. Rev. R. F. Johonnot, LL.B., S.T.D. Divinity Chapel, 4.30 P. M.

*LECTURE. "American and European Co-operation for World Peace." Baron d'Estournelles. Emerson F, 4 P. M.

*ZOOLOGICAL CLUB. "The Effect of Colored Light on Pigment-Migration in the Eye of the Crayfish." Mr. E. C. Day. Zoological Laboratory, 4th floor, Room 4, 4.45 P. M.

**ENGINEERING SOCIETY. "Machinery of a Battleship." Professor Hollis. Pierce 110, 8 P. M.