Saturday, May 11.

*LECTURE. "The Hygiene of the Mouth and Teeth." Dr. Samuel A. Hopkins. Harvard Medical School, Longwood Ave., Boston, 8 P. M.

Sunday, May 12.

**EVENING SERVICE. Rev. George A. Gordon, D.D., of Boston. Appleton Chapel, 7.30 P. M.

**LECTURE. "The Physical and Mental Development of Children." Dr. James S. Stone. Harvard Medical School, Longwood Ave., Boston, 4 P. M.

Monday, May 13.

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

FACULTY OF DIVINITY. Meeting at 17 Quincy Street, 8 P. M.

SEMINARY IN ECONOMICS. "The English Fisheries, 1500-1800." Mr. H. L. Drury. University 23, 4.30 P. M.

*PHYSICAL COLLOQUIUM. "Modern Conceptions of the Ether." Dr. H. N. Davis. Jefferson Physical Laboratory, Room 25, 5 P. M.

Tuesday, May 14.

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

*GEOLOGICAL CONFERENCE. "Studies of Paleozoic Sea-Urchins." Professor R. T. Jackson. Mineralogical Lecture Room, 8 P. M.

*ENTERTAINMENT BY CHINESE STUDENTS FOR THE BENEFIT OF THE CHINESE FAMINE SUFFERERS. Stereopticon pictures of China and performance of an original play in two acts, "A Chinese School," written by T. C. Ma '09, the second act introducing Chinese songs and instrumental music. Voluntary contributions will be received. Living Room, Harvard Union, 8 P. M.

Wednesday, May 15.

Last day for making application for the Ricardo Prize Scholarship.

*SEMITIC CONFERENCE. "Demonology in the Old Testament." Mr. J. Park Davies. Room 2, Semitic Museum, 4.30 P. M.

Friday, May 17.

*ZOOLOGICAL CLUB. "A Comparison of the Reactions of a Subterranean with a Terranean Species of Isopod." Mr. A. M. Banta.--"Pathology of the Browntail Moth Dermatitis." Mr. C. O. Esterly. Zoological Laboratories, Fourth Floor, M.Z., Room 4, 4.45 P. M.

*HARVARD DIVINITY CLUB. "The Intellectual Life of the Minister." Rev. George A. Gordon, D.D. Common Room, Divinity Hall, 8 P. M.