"You mean—"

"That it's a man! Only the arms and legs of a man going up and down that stub hundreds and thousands of times could have worn it so smooth! Now, can you guess who that man is?"

In a flash the answer shot into Rod's brain. He understood now why this old stub had drawn his companions away from their search for gold, and he felt the flush of excitement go out of his own cheeks, and an involuntary thrill pass up his back.

"The mad hunter!"

Wabi nodded. Mukoki grunted and rubbed his hands.

"Gold in bullet come from here!" said the old pathfinder. "Bad dog man ver' swift on trail. We hurry get canoe—cut down tree!"

"That's more than you've said in the last half-hour, and it's a good idea!" exclaimed Wabi. "Let's get our stuff down here and chop this stub into firewood! When he comes back and finds his ladder gone he'll give a screech or two, I'll wager, and then it will be our chance to do something with him. Here goes!"

He started to climb the stub, and a minute or two later stood safely on the rock above.

"Slippery as a greased pole!" he called down. "Bet you can't make it, Rod!"

But Rod did, after a tremendous effort that left him breathless and gasping by the time Wabi stretched out a helping hand to him. Mukoki came up more easily. Taking only their revolvers with them the three hurried to the birch bark, and in a single load brought their possessions to the rock. By means of ropes the packs and other contents of the canoe, and finally the canoe itself, were lowered into the chasm, and while the others looked on Mukoki seized the ax and chopped down the stub.