Saturday, February 16.

**LECTURE. "The Care of the Sickroom." Dr. Elbridge G. Cutler. Medical School, Longwood avenue, Boston, 8 P. M.

Sunday, February 17.

**EVENING SERVICE. Rev. President James G. K. McClure, D. D., of Chicago III. Appleton Chapel, 7.30 P. M.

**LECTURE. "The Ruins and the Ancient People of Yucatan, Mexico." (Illustrated.) Dr. A. M. Tozzer. Geological Lecture Room, U. M., 3.30 P. M.

**LECTURE. "Adulteration of Food and Drugs" (concluded). Dr. Charles Harrington. Medical School, Longwood avenue, Boston, 4 P. M.

Monday, February 18.

SEMINARY OF ECONOMICS. "Commercial Education in American Universities." Mr. F. V. Thompson. University 23, 4.30 P. M.

*PHYSICAL COLLOQUIUM. "The Positive Ion." Professor Trowbridge. Jefferson Physical Laboratory, Room 25, 5 P. M.

Tuesday, February 19.

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

*GEOLOGICAL CONFERENCE. "Studies of Richthofenia." Professor R. T. Jackson.--"The Geology of Southeastern Nebraska." Mr. E. G. Woodruff, Mineralogical Lecture Room, 8 P. M.

*ELECTRIC CLUB. "The Principles of Illuminating Engineering." Dr. Louis Bell. Pierce Hall, 8 P. M.

*ETHICAL SOCIETY. "College Men in Business." Mr. H. J. Hapgood. Common Room, Perkins Hall, 8 P. M.

Wednesday, February 20.