He speaks of Caswall being a pupil and the fellow worker of Mesmer, and states that though, when the latter left France, he took away with him a vast quantity of philosophical and electric instruments, he was never known to use them again.

He once made it known to a friend that he had given them to his old pupil.

The term he used was odd, for it was 'bequeathed,' but no such bequest of Mesmer was ever made known.

At any rate the instruments were missing, and never turned up." A servant came into the room to tell Adam that there was some strange noise coming from the locked room into which he had gone when he came in.
He hurried off to the place at once, Sir Nathaniel going with him.

Having locked the door behind them, Adam opened the packing-case where the boxes of the two mongooses were locked up.