2. At common law a defendant cannot have judgment to recoyer a sum of money of the plaintiff. But this rule is, in some cases, altered by the act of assembly in Pennsylvania, as by the. Act of 1705, for defalcation, by which he may sue out a sci. fac. on the record of a verdict for a sum found in his favor. 6 Binn. Rep. 175. See Account 6.