Calendar.

Meeting of Christian Brethren. Lawrence Hall, 6.30 p. m.

Mathematical Seminar. University 19, 4 p. m.

Harvard Union Debate. Sever 11, 7.30 p.m. Question: Resolved "that the rightful successor to President Grant was Samuel J. Tilden. Books of reference reserved in alcove 5 in the library.

Orchestral Concert. Boston Symphony Orchestra. Sanders Theatre, 7.45 p. m.