His first thought was, of course, to inspect the drawers and shut the door.
"I'll speak to Mayhew about this to-morrow," he thought.
The latter had certainly imagined upon going out a half-hour before that he had turned the knob on the door so as to spring the lock.

He had never failed to do so before.

But to-night Mayhew had other thoughts.

He had been revolving the problem of a business of his own.
"I'll look in here," thought the manager, pulling out the money drawers.
He did not know why he wished to look in there.

It was quite a superfluous action, which another time might not have happened at all.
As he did so, a layer of bills, in parcels of a thousand, such as banks issue, caught his eye.