T HOUSANDS, probably millions, of dollars are lying idle in America to-day. Hundreds of museums, libraries, historical societies, and private collectors are carefully hoarding their capital of paper currency issued by both the continental congress and the several states during the Revolution. Though such money has for ever lost power to circulate, it contains a many-sided interest for those of succeeding generations. First, there is the purely antiquarian approach to the subject of paper money. The numismatist will dilate on the rarity of specimens of this emission, the different-colored inks used in another, the pictorial devices and Latin mottoes associated with respective denominations, and the method of signing and numbering each bill or note. The political historian, by contrast, will dwell on the plight of the national and state governments, overwhelmed by debts and struggling to carry on their rebellion. He will record the date and amount of each new issue. He will describe the efforts to