Deficiency and supplemental estimates of appropriation for the Post Office Department. Communication from the President of the United States transmitting deficiency estimates of appropriations for the Post Office Department for the fiscal year 1923, and prior fiscal years, amounting to $173,580.41, and supplemental estimates of appropriations for the fiscal year ending June 30, 1924, amounting to $6,062,888.60; in all $6,236,469.01.