Hymen LEWIS, 17 years old, of 58 Morrell street, and Charles MULLER, 21 years old, of 98 Cannon street, Manhattan, were held in $2,000 bail by Magistrate FURLONG to-day, on a charge of blackmail. They were arrested late last night by Detectives KLETZ, McCAULEY, BRADY and McCLOSKEY, at the corner of Siegel street and Manhattan avenue, after getting some marked money from Abraham LUBIN, a middle-aged peddler, of 175 Lorimer street.