“Don’t go too near the rim,” Barker warned the boys, as they ran ahead. “If you go over, you’ll get smashed on the rocks below.

“Here we’re going to camp for the night,” the trapper said, as he and Tatanka placed their packs on the ground.

“When are we going to hunt cranes?” Bill almost blurted out, but he checked himself just in time.

“It wouldn’t be any fun to sit alone all night at the boat,” he whispered to Tim, “with the rest of you camping on the grandest spot I have ever seen. I think Mr. Barker has some fun up his sleeve, but I can’t figure out what it is.”

CHAPTER XV—AT INSPIRATION POINT

“I can’t look over, I get dizzy!” Tim said to Bill. “Look at the river. It surely looks a mile below.”

“Lie down,” Bill told him. “Then you can’t tumble off.”

The boys amused themselves by dropping stones over the cliff and counting the seconds till they struck amongst the trees below. Tim claimed he could throw a stone into the river.

“Ah! you can’t do it, Tim,” Bill objected. “The river is a quarter of a mile away as the crow flies.”

“I’ll pick a good sailer-rock,” Tim persisted, “and you’ll see.”