Saturday, May 14.

*MORNING PRAYERS. Rev. Paul Revere Frothingham. Appleton Chapel, 8.45 A. M.

BUSSEY SEMINAR. "Graft Hybrids." Mr. John Detlefsen. Bussey Institution, 2 P. M.

Sunday, May 15.

**MORNING SERVICE. Rev. Professor Edward C. Moore, D.D., of Cambridge. Appleton Chapel, 11 A. M. Students of the University enter at the south side-door. Students accompanied by friends enter at the south side-door. Officers of the University and their families enter at the north side-door. No seats except in the galleries will be open to the public.

**BUSSEY INSTITUTION LECTURES. "Insects Injurious to Elm Trees." Mr. C. T. Brues. Bussey Institution, 4 P. M.

Monday, May 16.

Last day for making application for the Ricardo Prize Scholarship.

Last day for receiving essays for the Susan Anthony Potter Prizes in Comparative Literature.

*SEMINARY OF AMERICAN INSTITUTIONS. "Reasons for Negro Suffrage." Mr. O. C. Hormell. Sever 9, 3.30 P. M.

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

*PHYSICAL COLLOQUIUM. "Trever's Mechanical Analogue for Entropy." Mr. H. M. Trueblood. Jefferson Physical Laboratory, Room 24, 5 P. M.

Tuesday, May 17.

FACULTY OF ARTS AND SCIENCES. Meeting at University 5, 4 P. M.

*LECTURES. "Geology of Fuels, Fluxes, and Refractory Materials." XIV. Mr. Louis C. Graton. Rotch Building, 12 M.