The numbers of Psyche issued during the past year were mailed on the 
following dates: 
Vol. 77, no. 4, December, 1970: October 21, 1971 
Vol. 78, no. 1-2, March-June, 1971: December 30, 1971 
Vol. 78, no. 3, September, 1971: February 23, 1972 
