The numbers of Psyche issued during the past year 
were mailed on the following dates : 
Vol. 54, no. 4, Dec., 1947 : February 17, 1948. 
Vol. 55, no. 1, March, 1948 : June 30, 1948. 
Vol. 55, no. 2, June, 1948 : October 23, 1948. 
Vol. 55, no. 3, Sept., 1948: November 13, 1948. 
