“Yes, Doctor.” She went at once to the safe and turned the combination, then stepped back to allow him to approach it.

Lola and Dr. Crossett were laughing now, laughing so merrily that John went over to them to join in their fun.

“What is it, Lola? May I hear the Doctor’s story?”

“I was telling her,” began Dr. Crossett, “of a queer——”

“Lola!” Dr. Barnhelm interrupted nervously. “It is very strange, but I can’t find the money! You have not put it anywhere, have you?”

“No, father. I haven’t opened the safe for days. Go on with your story, Doctor.” She turned to him expectantly.

“I tell you,” repeated her father, “that the money is gone. I have been robbed!”

“Impossible, Martin!” Dr. Crossett crossed the room to him anxiously.

“You saw me put it there yourself! Look!” He pointed to the safe.

“But, since you put it there,” exclaimed Dr. Crossett, “we have not left the room, excepting to our dinner. It must be there.”