Four Faculty Members Will Lecture at Sigma Xi Smoker

Four members of the University staff will head the list of after-dinner speakers at an informal smoker at the Faculty Club on Friday. The Sigma Xi Society is sponsoring the program.

George H. Parker, professor of Zoology, emeritus, will deliver a short paper on "Neurohumors as Activators of the Nervous System." "Vibrations in Machinery" is the subject of a speech by Jacob D. Den Hartog, assistant professor of Applied Mechanics, while Henry C. Stetson, research associate in Paleontology, will talk on "The Geology of Submarine Canyons." "High Fidelity Sound from Phonograph Records" will be discussed by Frederick V. Hunt, assistant professor of Physics and Communication Engineering.