looked back on passing the doorway. The long, melancholy, farewell howl of the dog was the last sound Isabel Miller heard as she left the house.
ON the day after Isabel's departure, diligent Mr. Troy set forth for the Head Office in Whitehall to consult the police on the question of the missing money. He had previously sent information of the robbery to the Bank of England, and had also advertised the loss in the daily newspapers.
The air was so pleasant, and the sun was so bright, that he determined on proceeding to his destination on foot. He was hardly out of sight of his own offices when he was overtaken by a friend, who was also walking in the direction of Whitehall. This gentleman was a person of considerable worldly wisdom and experience; he had been officially associated with cases of striking and notorious crime, in which Government had lent its assistance to discover and punish the criminals. The opinion of a person in this position might be of the greatest value to Mr. Troy,