"Eustace!" she cried. "Eustace—then it was he who——"

She stopped abruptly, staring at him.

"Did you recognise him?" he asked.

"It was dark—I only saw them against the sky. They had their backs to me as they rode off. I mean it was Eustace who robbed the bank."

"When did you come to that conclusion?"

"I said so at first—I told Brennan. Why did you not arrest him? I told Brennan to go in and arrest him when I left, before you arrived."

"Brennan went to do so, Mrs. Burke."

"Then—how could Eustace be here to-night if Brennan arrested him?"

"Brennan did not arrest him. By the time he reached the dining-room at the bank it was empty. Eustace had disappeared. This handkerchief is the first token of him that has come to light since you saw him."

"Disappeared?"