CHAPTER XXII. WHAT DORA DISCOVERED When Dora took leave of Allen, she returned to the Red House with the firm conviction that to save the doctor she would be obliged to marry Joad. In the face of this old man's evidence, she did not see how Allen could defend himself. It was true that he could produce the letter of Mr. Edermont, giving him a midnight invitation to his study; but such production would not mend matters. It would only show that he had been present at the very hour of the murder, and would confirm the evidence of Joad. Once that was proved, what plea could he put forward to prove his innocence? None. A quarrel might have taken place on the subject of their previous conversation, and Allen might have killed Edermont in a fit of rage. That was the view, Dora truly believed, w

