"I don't suppose you girls would care to try that," Walter said, his eyes twinkling. "But I might do it."
"Only trouble is," said Rhoda, after the laugh at Walter's suggestion, "I don't see any brush clumps out there. Do you?"
"No-o," said Nan. "The plain is as bare as your palm."
"Exactly," Rhoda agreed. "So we must try running them down."
"But you say they are very speedy," objected
"Oh, yes. But there are ways of running them," said Rhoda. "We will ride on a little further and then let our ponies breathe. I'll show you how you must ride."
Nan was looking back again at the cloud on the horizon. "Isn't that a funny looking thing?" she said to Bess.
"What thing?" asked her chum, staring back also.
"It is a cloud of dust—perhaps?"
"Who ever saw the like!" exclaimed Bess. "Say, Rhoda!"