in undulated a little, like a sea, a dead sea, of spotless white, with nothing alive upon it--only his hunched, slouching, untidy, squat form and his shadow, "pacing" him. At the top of the highest undulation he stopped, and glowered back along the trail.
Ahead, the forest, starting again, showed as a black band a quarter of an inch high. Behind, the forest he had already left lay dwarfed in a ruled, serried line. But that was not all. Something was moving out upon the spotless plain of snow, something which appeared to be no more than crawling, ant-like, but was really traveling very fast. It looked like a smudged dot, nothing more; but it was a horse, really, galloping hard, with a light sleigh, and a man in it, behind. The horse had no bells, and it was not a reindeer as usual. Pace was wanted here, and the snow was not deep enough to impede the horse, who possessed the required speed under such conditions.
The horse had been trotting along the trail, till it came to the place where Gulo had lo