for it was now night. The heavens were studded with stars as thick as they could stick, and seemingly very low. The moon shed a weird mysterious light, and the aurora danced in the heavens like wildfire, painting the sky a dozen different colors in as many minutes.
Scotty divined that Henderson was afraid he would lose the trail, and twice he tried to shake him by putting his team to its best pace. But each time Dick's team would let out a burst of speed and he could not get away from him.
Whenever the Scot's team started to draw ahead Dick would call to Silversheene. He in turn would look back over his shoulder and with quick excited barks call to his team mates to come on, while he would increase the pace until the gap had been closed up. Then he would grin back over his shoulder at Dick who would cry "Good Dog! That's the stuff. We'll show 'em." So perfect was the understanding between Dick and Silversheene that the slightest
