The numbers of Psyche issued during the past year were mailed on the 
following dates: 
Vol. 68, no. 4, Dec., 1961: March 13, 1962 
Vol. 69, no. 1, March, 1962: May 17, 1962 
Vol. 69, no. 2, June, 1962: July 1, 1962 
Vol. 69, no. 3, Sept., 1962: October 31, 1962 
