"I've just spotted a horseman ahead, boys."
"Who he vos?" eagerly asked Fritz, peering out.
"I haven't got the least idea."
"Be yer follerin' him?"
"Yes, Tim. Ha! there he goes!"
The rider had turned abruptly to the left, out across the course of the Terror, and headed for a mass of trees, rocks and bushes, that formed a hollow near the creek side.
Jack stopped the machine.
He had caught view of a gleaming light ahead.
It came from a camp-fire down in the hollow, and flung a lurid glow upon the scene around.
Timberlake gave a slight start and now said: