The numbers of Psyche issued during the past year were 
mailed on the following dates : 
Vol. 54, no. 4, Dec., 1957 : January 26, 1959 
Vol. 65, no. 1, March, 1958 : May 22, 1959 
Vol. 65, nos. 2-3, June-Sept., 1958: Decembers, 1959 
