The numbers of Psyche issued during the past calendar year (1974) 
were mailed on the following dates: 
Vol. 80, no. 4, December, 1973: February 20, 1974 
Vol. 81, no. 1, March, 1974: May 21, 1974 
Vol. 81, no. 2, June, 1974: September 26, 1974 
