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FOR USE BY BANKS ONLY May 1, 1999 DREYFUS 100% U.S. TREASURY MONEY MARKET FUND DREYFUS U.S. TREASURY SHORT TERM FUND DREYFUS U.S TREASURY INTERMEDIATE TERM FUND DREYFUS U.S TREASURY LONG TERM FUND Supplement to Prospectus Dated May 1, 1999 All mutual fund shares involve certain investment risks, including the possible loss of principal.
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