“Dorak⁠—a curious name. Slavonic, I imagine. Well, it is an important link in the chain. We return to London this afternoon, Mr. Bennett. I see no good purpose to be served by our remaining. We cannot arrest the professor because he has done no crime, nor can we place him under constraint, for he cannot be proved to be mad. No action is as yet possible.”

“Then what on earth are we to do?”

“A little patience, Mr. Bennett. Things will soon develop. Unless I am mistaken, next Tuesday may mark a crisis. Certainly we shall be in Camford on that day. Meanwhile, the general position is undeniably unpleasant, and if Miss Presbury can prolong her visit⁠—”

“That is easy.”