“And you think it is an up-to-date skeleton that has decided to ride a bicycle hereafter. In that case, I congratulate Mr. Skeleton on his good sense.”

“It must be that Frank has gone on a ride without saying anything to us,” said Jack. “I do not see any other way of explaining it.”

“But why should he do such a thing?” asked Rattleton.

“That is where you stick me.”

Browning slowly shook his head.

“It is remarkable that he should do such a thing without saying anything to us,” declared the big fellow.

“And he must have taken that ride in the night,” said Jack.

“While he should have been on guard,” added Harry.

The boys stood looking at each other in sober dismay.

“It isn’t possible that Merry could have gone daffy,” muttered Rattleton. “He is too well balanced for that.”