look at 'er."

He scratched a match and the look of astonishment that Dave found on his
face, as he stared about the inclosure, caused him to laugh, in spite of
their dilemma.

"H'ivory, walrus h'ivory! Walls, floor and ceilin' all h'ivory. Who'd
ever thought of that!" muttered the old seaman. "Wood'll burn and iron'll
rust; but h'ivory! h'ivory! Who'd ever thought of that for a prison?"




CHAPTER VIII

THE WALRUS HUNT


Meanwhile, on the ice-locked shores of Great Bear Lake, preparations for
departure were being made by the airplane party. The gasoline must all be
strained through a chamois-skin to insure them against water in the
engines, and this, with the temperature at thirty to forty below, was no
mean task. There was a careful selection of foodstuffs to be taken along.
It was decided also that the five dogs should go, for they would provide
transportation, in case of accident, and could be killed and eaten as a
last resort. The entire equipment was given a thorough overhauling. All
this took three days of arduous toil.

When, at last, all was in readiness, and the earth began to drop away
beneath them, the dogs put their noses in the air and chorused a canine