The one who was driving drew rein as the rig came alongside the car.
"Say," shouted the men, "did you boys see an air-ship anywhere in this vicinity?"
"Yes," answered Matt. "It was going south."
"Then we're on the right track?"
"So far as we know; but the air-ship was unmanageable and——"
The men in the buggy did not wait to hear any more. The driver began plying his whip and the horse again leaped onward.
"Who were those two men?" yelled Matt, anxious for a little information.
"Thieves!" came the answer, as rig and passengers once more vanished in a cloud of dust.