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 July following, and such sums as are needed to supplement the expenditures previously authorized to be made after the first of July preceding. It doles out their allowances in installments to its wards, the departments. It is usual for the Appropriations Committees of both Houses, when preparing the annual bills, to take the testimony of the directing officers of the departments as to the actual needs of the public service in regard to all the principal items of expenditure. Having no place upon the floor of the House, and being, in consequence, shut out from making complete public statements concerning the estimates, the heads of the several executive departments are forced to confine themselves to private communications with the House and Senate Committees. Appearing before those Committees in person, or addressing them more formally in writing, they explain and urge the appropriations asked in the “Letter” containing the estimates. Their written communications, though addressed only to the chairman of one of the Committees, frequently reach Congress itself, being read in open session by some member of the Committee in order to justify or interpret the items of appropriation proposed in a pending bill. Not infrequently the head of a department exerts himself to secure desired supplies by dint of negotiation with