“Out after the reward, eh?” said Mr. Hardy shrewdly.

“Yes; and we’ll get it, too!”

“I hope you do. But you can’t ask me to help you any more than I’ve done. It’s my case too, remember. So from now on, you are part of my opposition.”

“It’s a go!”

“More power to you, then,” and Mr. Hardy returned to his desk. He had a sheaf of reports from shops and agencies in various parts of the State, through which he had been trying to trace the stolen jewels and securities, but in every case the report was the same. There had been no trace of the gems or bonds taken from Tower Mansion.

When the boys left their father’s study they went outside and sat on the back steps, silently regarding their motorcycles.