The numbers of Psyche issued during the past year were mailed on the 
following dates: 
Vol. 67, no. 4, Dec., 1960: July 7, 1961 
Vol. 68, no. 1, March, 1961 : August 2, 1961 
Vol. 68, nos. 2-3, June-Sept., 1961: December 29, 1961 
