“Say, wouldn’t that make you want to go in swimming?” demanded Ned, when they could talk freely.

“It’s certainly got me going,” admitted Bob, with a sigh.

“And it knocks most of our theory squeegee!” said Jerry, shaking his head. “There are two aeroplanes fitted with those peculiar tires—Noddy’s and Brown and Black’s. Now which one landed on the roof of the bank?”

“Give it up,” answered Bob.

“Same here,” replied Ned. “It’s too deep for me.”

“Who’d ever think of such a thing?” went on Jerry. “When Noddy smashed his wheels that time he must have heard about those extra tires that Brown and Black didn’t use, and he put them on his machine. Then those two men already had a similar set on, and—there you are.”

“Or rather, there you—aren’t,” suggested Ned. “Now who committed the robbery—Noddy or the other fellows? You ‘pays your money and you takes your choice,’ as the fellow said in the circus.”

“Are you going to tell President Carter now?” asked Bob.

“I don’t know what to do,” replied Jerry, with a puzzled shake of his head. “This puts an entirely new turn on it. Let’s go off and talk it over.”

“There’s a little park somewhere up this way, not far from the bank,” suggested Bob. “It’s got a statue and a fountain in it, and right across the street is a nice restaurant. I noticed it the other day. We could go to the park, sit down, and——”