Monday April 24.
PRESIDENT AND FELLOWS OF HARVARD COLLEGE. Meeting at No. 50 State St., Boston, 10.30 A. M.
SEMINARY OF ECONOMICS. "Strikes in the Chicago Packing Industry," Mr. J. B. Cook. University 23, 4.30 P. M.
**PHYSICAL COLLOQUIUM. "Townsend's Theory of the Spark Discharge," Dr. Lyman. Jefferson Physical Laboratory, Room 25, 5 P. M.