When they were outside Ned asked:

“Well, what do you think now, Tom?”

“I don’t know what to think. Koku is pretty sharp. When he says he saw a thing you can make up your mind that he did. Of course it’s possible there may be two men who limp and throw out their left elbows, you know.”

“It’s possible, but not very probable,” answered the young manager. “I believe Fawn is guilty, but his wife may not, and very likely doesn’t, know anything about it. She’s a meek little lady.”

“Yes, indeed,” agreed Tom. “Well, we’re stuck for the time being. However, to-morrow is another day. Something may turn up then. Anyhow, even if it doesn’t, I’m going to start out.”

“Start out where?” Ned wanted to know.

“To look for that blue aero-hydroplane. I’m going to scout around in the Blackbird and see if I can’t get on the trail of the fellows who have my chest of secrets.”

“I’d like to go with you.”

“Wouldn’t think of taking off without you, old scout!” cried Tom.

He guided the car down the street and out on a wide avenue, going along at a steady pace and with such an evident object in view that Ned asked: