The numbers of Psyche issued during the past year were 
mailed on the following dates: 
Vol. 58, no. 4, Dec., 1951: June 4, 1952 
Vol. 59, no. 1, March, 1952: August 19, 1952 
Vol. 59, no. 2, June, 1952: October 16, 1952 
Vol. 59, no. 3, Sept., 1952: January 30, 1953 
