“Yes sir.”

“There has been no carelessness in closing the vault doors after the departure of the clerks?”

“No sir.”

“And no trouble,” he continued, with a shade more of dignity, possibly because Hopgood’s tell-tale face was beginning to show signs of anxious confusion, “and no trouble in opening them at the proper time each morning?”

“No sir.”

“One question more—”

But here Bertram was called out, and in the momentary stir occasioned by his departure, Hopgood allowed himself to glance at the box before him more intently than he had hitherto presumed to do. He saw it was unlocked, and his hands began to tremble. Mr. Sylvester’s voice recalled him to himself.

“You are a faithful man,” said that gentleman, continuing his speech of a minute before, “and as such we are ready to acknowledge you; but the most conscientious amongst us are sometimes led into indiscretions. Now have you ever through carelessness or by means of any inadvertence, revealed to any one in or out of the bank, the particular combination by which the lock of the vault-door is at present opened?”

“No sir, indeed no; I am much too anxious, and feel my own responsibility entirely too much, not to preserve so important a secret with the utmost care and jealousy.”

Mr. Sylvester’s voice, careful as he was to modulate it, showed a secret discouragement. “The vaults then as far as you know, are safe when once they are closed for the night?”