"That he heard us speaking of your careless habit, and endeavored to form some scheme to get into the office and get hold of the bonds."
"Hardly. It was I told him to come here; he did not come of himself."
"Then he formed his plan after he got here."
"I know nothing of railroad bonds," put in Hal. "I wouldn't know what to do with them, if I had them."
At that moment Mr. Allen arrived. He saw that something unusual had taken place.
"What's up?" he asked.
"The tin box containing the Mason railroad bonds is missing," replied Mr. Sumner.
"Missing!" ejaculated Mr. Allen.
"Exactly."
"And all the bonds?"