ACT III.--_Scene I._--Hall in Mansfield’s house. Dennis grows excited. A

challenge. An agitated wife. _Scene II._--The rendezvous. The duel. An unobserved witness. “Shoot, you coward!” “I cannot, it would be murder.” Treachery charged. “There stands the traitor!” The Witch’s note. Explanation demanded. The deadly air gun. A wounded villain. Who fired the shot? A doubting Thomas. The Witch’s exhortation. The resolve. _Scene III._--A room in Mansfield’s house. A wife’s devotion.