an instant later he, too, gave a sharp cry of amazement, for he
saw, clinging to the trunk of a floating tree, swiftly moving
with those circling waters, a living being!

And but a few seconds later, Bruno made the same discovery,
greatly to the delight of his younger brother.

"A man! And living, too!"

"Of course; reckon I'd make such a howl about a floater?" bluntly
interjected Waldo. "But I'll do my crowing later on. For now
we've got to get the poor fellow out of that,--just got to yank
him
out!"

Through all this hasty interchange of words, the aeromotor was
swiftly progressing, and now swung almost directly above the
whirlpool, giving all a fair, unobstructed view of everything
below.

The suction was so great that a sloping basin was formed, more
than
one hundred yards in diameter, while the actual centre lay a
number
of feet lower than the surrounding level.

Half-way down that perilous slope a great tree was revolving, and
to this, as his forlorn hope, clung a half-clad man, plainly
alive,
since he was looking upward, and--yes, waving a hand and uttering