THE PRESENT 37 subscription on June 28, 1917, as to any amounts not paid in Treasury certificates of indebtedness “ by credit on their books to the account of the Treasurer of the United States.” This procedure had been foreshadowed in the mode of payment used by the Federal Reserve Banks for the ante-bellum certifi cate issue of March 31, and had been actually em ployed with results of the utmost significance in con nection with the overpayment of the installment of June 28, 1917, on account of the First Liberty Loan. The device of permissive payment “ by credit ” was apparently extended by administrative toler ance of the Treasury, to settlement for certificates of indebtedness acquired by or through incorpor ated banks and trust companies after August 28, 1917 — that is, with respect to the issue of August 29, 1917, and succeeding issues. Thenceforth qualified depositaries were permitted to make pay ment “ by credit ” for certificates allotted to them for themselves and their customers up to the amount for which each had qualified. Subscribing banks not fully qualified as depositaries were required to make payment for certificates by cash and current exchange; but in such instances the Treasury un dertook to re-deposit unexpended proceeds in pro portion to subscriptions, as promptly as depositary qualification was completed. This modification in procedure — invested with possibilities and indeed attended with results both fiscal and economic of very great importance — was effected without public discussion and, it may be ventured, without public comprehension. The Treasury announcement as to the issue of August