Sunday, December 2.

**EVENING SERVICE. Rev. Henry Van Dyke, D. D., of Princeton, N. J. Appleton Chapel, 7.30 P. M.

Monday, December 3.

SEMINARY OF ECONOMICS. "The Finances of Boston, 1820-1860." Mr. C. P. Huse. University 23, 4.30 P. M.

*PHYSICAL COLLOQUIUM. "Optical Properties of Thin Films." Mr. W. B. Cartmel. Jefferson Physical Laboratory, Room 25, 5 P. M.

MODERN LANGUAGE CONFERENCE. "Sainte-Beuve's Theory of the Master Faculty." Professor Babbitt. Assembly Room, Conant Hall, 8 P. M.

CHAMBER CONCERT. The Kneisel Quartet, assisted by Mr. Heinrich Gebhard. Lecture Room of the Fogg Museum, 8 P. M. Program: Schubert, Quartet in D minor (Posthumous); Chopin, Lento for violoncello solo and strings: Caesar Franck, Quintet for plano, two violins, viola, and violoncello, in F minor.

Tuesday, December 4.

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

*GEOLOGICAL CONFERENCE. "A Geological Reconnaissance through New Mexico, Arizona, and Utah." (Illustrated by the Stereopticon.) Professor D. W. Johnson. Mineralogical Laboratory, 8 P. M.

Wednesday, December 5.

*SEMITIC CONFERENCE. "South-Arabian Discoveries." Dr. H. H. Haynes, Semitic Museum, Room 2, 4.30 P. M.

*BOTANICAL CLUB. "Spore-formation in Derkesia." Dr. B. M. Davis. Nash Lecture Room, 4.45 P. M.

*NATURAL HISTORY SOCIETY. "Some Notes and Photographs of Colorado Birds." Mr. J. W. Eggleston. Committee Room, Harvard Union, 8 P. M.

*READING FROM WITS AND HUMORISTS. V. "Mark Twain and Other American Writers. " Mr. Copeland. Sever 11, 8 P. M.