They obviously were the two who must have heard the sound of the gun; so they gave the alarm exactly as they would have done, but a good half hour after the event." "And how do you propose to prove all this ?" "Well, if there were an outsider, he may be traced and taken.

That would be the most effective of all proofs.

But if not--well, the resources of science are far from being exhausted.

I think that an evening alone in that study would help me much." "An evening alone!" "I propose to go up there presently.

I have arranged it with the estimable Ames, who is by no means whole-hearted about Barker.