October 17. Sunday.Appleton Chapel, 7.30 p. m. Rev. Charles Cuthbert Hall, D. D., of New York, N. Y.

Rev. George Harris, D. D., of Andover Theological Seminary, will conduct morning prayers from October 18 to November 6.

Dr. Harris may be found at Wadsworth House 1 daily from 9 till 11.

18. Monday.Seminary of American History and Institutions. The Historical Outlook. Dr. Justin Winsor. University 24, 3.30 p. m.

Seminary of Economics. Trade Unions in Australia. Dr. M. A. Aldrich. University 23, 4.30 p. m.

Physical Colloquium. The New Electrical Theory of the Constitution of Matter. Professor John Trowbridge. Jefferson Physical Laboratory, 5 p. m.

Harvard Religious Union. First meeting of the year. On Being Human. Mr. D. H. Fletcher. Parlors of the First Parish Church, 6.45 p. m.

A full attendance is desired as important business is to be transacted. All members of the University are cordially invited.

Modern Language Conference. Papers: Beaumont and Fletcher's Influence on Shakespeare. Mr. A. H. Thorndike.- Report on Skeat's "Chaucerian Pieces." Mr. W. A. Neilson. Sever 5, 8 p. m.

Open to all members of Harvard University and of Radcliffe College.

19. Tuesday.Faculty of Arts and Sciences. Meeting at University 5, 4 p. m.

Geological Conference. Papers: The Effects of Marine Erosion on the West Coast of Norway. Forfessor Hans Reusch.- Abstract of Gilbert's Essay on "Mondification of the Great Lakes by Earth Movement." Mr. J. M. Boutwell. Geological Laboratory, Room 2, M. Z., 7.45 p. m.

Open to all members of the University.

Chamber Concert. Kneisel Quartet. Sanders Theatre, 7.45 p. m.

Programme: Haydn, Quartet, op. 76, in G major.- Mozart, Quartet in C major (dedicated to Haydn).- Beethoven, Quartet, op. 74, in E flat major ("Harp Quartet").