The numbers of Psyche issued during the past year were mailed on the 
following dates: 
Vol. 70, no. 4, Dec., 1963: Dec. 31, 1963 
Vol. 71, no. 1, March, 1964: May 5, 1964 
Vol. 71, no. 2, June, 1964: August 24, 1964 
Vol. 71, no. 3, Sept., 1964: Dec. 30, 1964 
