*Read before the Section on Urology at the Seventy-second Annual Session of the California Medical Association, Los Angeles, May 2-3, 1943.
This article has been released for publication by the Division of Publications of the Bureau of Medicine and Surgery of the U. S. Navy. The opinions and views set forth in this article are those of the writers and are not to be considered as reflecting the policies of the Navy Department, or the military service at large.
The authors wish to express their appreciation to Cismondi, E. L., Pharmacist Mate Second Class, U. S. Navy, for his excellent photography.