Deficiency and supplemental estimates of appropriations for the Post Office Department. Communication from the President of the United States transmitting deficiency estimates appropriations for the fiscal year 1941 of $425,500, and supplemental estimates of appropriations for the fiscal year 1942 of $2,681,555, in all $3,107,055, together with a provision affecting an existing appropriation for the Post Office Department of the fiscal year 1942.