An action upon a judgment in personam is a separate and distinct action from the action on the claims which resulted in the judgment, for those claims are merged in the judgment, and thereafter the underlying claims may no longer be sued upon. Restatement, Judgments, section 47. And see Chemical National Bank of New York v. Kellogg, 28 N.J.L.J. 153 ( Circ. Ct. 1905). But beyond that, and laying that aside, we have here a judgment for $6,368,503.