Then he went forward, and stood in his traces, ready for the pull, and looked hack at her.

Still she did not move or speak, and Kazan's whine gave place to a sharp excited bark.
The strange thing in the wind came to him stronger for a moment.

He began to pull.

The sledge-runners had frozen to the snow, and it took every ounce of his strength to free them.

Twice during the next five minutes he stopped and sniffed the air.