East, west, north and south, in forest and swamp, in the trapper's cabin and the wolf's hiding-place, was warning of it.

Gray rabbits turned white.

Moose and caribou began to herd.

The foxes yipped shrilly in the night, and a new hunger and a new thrill sent the wolves hunting in packs, while the gray geese streaked southward under the red moon overhead.
Through this November, and all of December, Jolly Roger and Peter were busy from two hours before dawn of each day until late at night.

The foxes were plentiful, and McKay was compelled to shorten his lines and put out fewer baits, and on the tenth of December he set out for a fur-trading post ninety miles south with two hundred and forty skins.