...defendants, plaintiffs moved to reopen the case for the purpose of introducing in the record nulla bona returns on two judgments, which said nulla bona returns were dated January 20, 1931, and February 12, 1931, said dates being long after the commencement of the first action. The referee allowed the same, and allowed plaintiffs to amend their complaint by alleging the return of...plaintiff's motion to amend the complaint by inserting the allegation as to the return of nulla bona was the wrong remedy, as the same, if it could be set up at all, should have been made by supplemental complaint and not by amended complaint, since the return of...allegations to set up a cause of action for actual or moral fraud only, but that the plaintiffs, not having at the time of the commencement of the action the nulla bona return, and not having alleged...