**LECTURE. "Bohemian History and the Present State of Bohemia's Cultural Development." Francis, Count Luetzow, Ph.D., Litt.D., of Prague. Emerson D, 4.30 P. M.

**LECTURE ON MEDIAEVAL MUSIC. IV. In French: Illustrative Instrumental Music and Song. Professor Jean Beck. Lecture Room of the Fogg Museum, 4.30 P. M. La musique des chansons de geste et des lais. L'evolution de la musique dequis le chant sacre de la liturgie jusquaux motets du 14eme siecle.

*ORGAN RECITAL. Mr. J. A. Wilson, assisted by Mr. F. E. Kendrie. Andover Chapel, 8 P. M.

HISTORIC OPERATIC CONCERTS. IV. Professor W. R. Spalding, Lecturer; Miss Elizabeth Amsden, Miss Bernice Fisher, Mme. Marie Louise Martini, Mr. Rafaelo Diaz, Signor Alfredo Ramella, Signor Rodolpho Fornari, Signor Jose Mardones, Soloists. Sanders Theatre, 8.15 P. M. Admission tickets to this concert, at fifty cents each, will be on sale at the Co-operative Main Store, Harvard Square, on Monday, February 12.