Beginning a series of eight Lowell Institute lectures on "The Economic Problems of Socialism and of a Planned Economy," E. S. Mason, associate professor of Economics, will speak this afternoon at 5 o'clock in Huntington Hall, Boston. The subject of the first lecture will be "Marxian Socialism as Tactics and as Program." Further addresses will be given every Monday, Wednesday, and Friday afternoons until Wednesday, December 21.

Professor Mason is a leading authority on socialism and communism, and has published several monographs on socialist leaders, as well as a history of the Paris Commune. The lecture this afternoon will deal with the fundamental principles of socialist society.