We shall soon find out if they are up to any tricks." Jim had been running by his master's stirrup, while this conversation had been going on; and he now dropped into his usual place at the rear of the party.

For some miles the trail was followed at a hand gallop, for the grass was several inches in height, and the trail could be followed as easily as a road.

The country then began to change.

The ground was poorer and more arid, and clumps of low brush grew here and there.

Still, there was no check in the speed.