"Has one of them a brown velvet hat with a pink rose at the front and brown gaiters and mink furs and a perfectly lovely velvet handbag?" asked Betty. "And did you see a girl with black pumps and white silk stockings and a blue tricotine dress embroidered with crystal beads?"
The boys looked bewildered.
"Don't believe we did," admitted Gilbert regretfully. "But one of 'em called a skinny girl 'Ada' and somebody is named 'Gladys.'"
"Never mind the clothes," Bobby told him gratefully. "We knew those two were mixed up in this."
They started cautiously, mindful of Bob's instructions not to make a noise, and succeeded, after ten or fifteen minutes creeping, in getting within hearing distance of the despoilers.
"You girls will have to tend to your friends," grinned Bob. "You can't expect us to discipline them. But we'll give the boys something to remember!"
The party spread out, and at his signal whistle they sprang forward, shouting like wild Indians. Straight for the oak tree they charged and closed in on the group beneath it. Those seated there rose to their feet in genuine alarm.
"Rush 'em!" shouted Bob.
Pushing and scrambling, those in the attacking party began to force the others down the narrow