South Station subway extension opens.

4.30--Lecture on Mathematical Logic. IV. "Problems in Postulate Theory," by Dr. H. M. Sheffer '05, Emerson A.

5.00--Physical Colloquium. "The Effect of Pressure on the Electrical Resistance of Metals," I., by Professor P. W. Bridgeman '04. Jefferson Physical laboratory 3.

6.30--Phi Beta Kappa initiation of new members; 7.00--Dinner in Union.

7.00--University gymnastic team candidates report in Hemenway Gymnasium.

8.00--Modern Language Conference, "Concerning the Style of Heinrich von Kleist," by Professor W. G. Howard '91. Conant Common Room.