"Pshaw!" retorted Donald, "that's nothing. I've read of robbers' caves and all that sort of thing, but I've never seen any."
"Which proves there never were any," retorted Jack sarcastically.
"Have you got any dues, Sherlock?" asked Rand laughingly.
"Not yet," replied Jack seriously, "but I am looking for them. They sometimes turn up in the most unexpected places."
"Huh!" sniffed Donald, "your turnips run mostly to tops."
While talking thus, the boys had been putting their supplies and tackle into the boat which they had run out into the river.
"Which way do you want to go?" asked Rand when they were ready to start.
"Up," said Pepper.
"Down," said Jack.
"What do you say, Don?" continued Rand. "Either way," replied
Donald. "Let them toss up for it."