They could look back for miles over the vast plain they had traversed.

Beyond was what resembled an immense lake, terminating many miles distant in the boldly-defined shores of some new land.

It was frozen over, but its surface here and there was marked with huge chasms where the ice had cracked.

As they stood viewing the desolate scene Will’s keen eyes discerned some moving objects on the frozen plain.

“Look, Jack!” he said. “What is that? Wolves—foxes?”

Jack strained his vision to the utmost.

Then he uttered an ejaculation of excitement.

“It’s no wolves or foxes, lad,” he said.

“What then?”

“Dogs—a sled and an Esquimaux driver, as sure as my name is Jack Marcy.”