Saturday, May 13.

**NATURAL HISTORY WALK, for Mosses and Fungi, to Mt. Monadnock, N. H. Professor Farlow, leader. Train on Fitchburg Division leaves Porter's Station at 8.09 A. M., change at Winchendon; return May 14 or 15, 7 A. M. or 3 P. M. Mileage, $3; hotel and hack, $5, or camp out.

Sunday, May 14.

APPLETON CHAPEL, 7.30 P. M. Rev. Floyd W. Tomkins, D.D., of Philadelphia, Pa. Dr. Tomkins will conduct morning prayers from May 15 to May 27. He may be found at Wadsworth 1 daily from 9 till 11.

Monday, May 15.

Last day for making application for the Ricardo Prize Scholarship.

Last day for handing in theses for the Philip Washburn Prize.

SEMINARY OF AMERICAN HISTORY AND INSTITUTIONS. "The Development of the War Department," Mr. P. M. Harbold. Sever 9, 3.30 P. M.

**ZOOLOGICAL CLUB. "Spermatogenesis in Scolopendra," Mr. M. W. Blackman. Room 1, fourth floor, Zoological Museum, 4.45 P. M.

**PHYSICAL COLLOQUIUM. "Sutherland's Theory of the Molecular Constitution of Water," Mr. A. W. Smith. Jefferson Physical Laboratory, Room 25, 5 P. M.

Tuesday, May 16.

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

Wednesday, May 17.

*INGERSOLL LECTURE. "Immortality and Ethical Idealism," Rev. S. M. Crothers, D.D. New Lecture Hall, 8 P. M.

**LECTURE. "Departed Veterans,--Mrs. Gilbert, Janauschek, Jefferson; and the Need of an Endowed Theatre," Mr. Copeland. Sever 11, 8 P. M.

Friday, May 19.

*MEMORIAL SOCIETY. "A History and Appreciation of the College Yard, with Special Reference to the Grouping of its Buildings," (illustrated with lantern views of ancient drawings and plans, and of photographs taken since 1858). Mr. A. A. Shurtleff. Fogg Lecture Room, 8 P. M.