"I'm tired of this, I'm going to swim for it," replied Harry with a
foolish, hysterical laugh.

Frank saw what had happened. The boy had become half-delirious
under the mental strain he had undergone.

"Sit down, old fellow," he said kindly, "help will come soon I am
sure."

"Yes, a steamboat will come sailing down the river and take us home
in the captain's cabin I suppose," said Harry foolishly.

But nevertheless Frank's stern command to "shut up" and not make a
foot of himself brought him to his senses and he said no more till
the stillness was broken by a sudden cry from above.

"Bosses--oh, bosses."

"Ahoy there; castaways!"

Frank looked up.

The cry of joy he gave set the echoes flying in the gloomy canyon.

It was the black face of Sikaso that was gazing down on them and
beside it was Ben Stubbs' weather-beaten countenance. Behind them
were Billy, Lathrop and the rest.

"Hold on there and we'll get you out of that in two shakes of a
duck's tail," cheerily hailed the old adventurer. "We guessed you'd