Appropriation for the Post Office Department. Letter from the Secretary of the Treasury, transmitting letter from the Postmaster General requesting that the unexpended balances of the two appropriations of $750,000 each, made by the acts approved August 24, 1912, and March 4, 1913, for the Parcel Post Service, be reappropriated and made available for use during the fiscal year ending June 30, 1914.