know when the moment came. As a matter of fact he was himself in the vestibule when Mr. Eldred arrived, very soon after the library opened, and when hardly any one besides the staff were in the building.
"I'm very sorry," he said; "it's not often that I make such a stupid mistake, but I did feel sure that the old gentleman I saw took out that very book and kept it in his hand without opening it, just as people do, you know, sir, when they mean to take a book out of the library and not merely refer to it. But, however, I'll run up now at once and get it for you this time."
And here intervened a pause. Mr. Eldred paced the entry, read all the notices, consulted his watch, sat and gazed up the staircase, did all that a very impatient man could, until some twenty minutes had run out. At last he addressed himself to the doorkeeper and inquired if it was a very long way to that part of the library to which Mr. Garrett had gone.
"Well, I was thinking it was funny, sir: he's
