"Did you leave the door open?" he inquired, as they came in sight of the fence.

"Yes," replied Andy. "I was in a hurry to tell you, and what does it matter now that the man has escaped?"

"For all we know he might have been lying concealed within the fence the whole time you were looking for him, and finding the door unlocked after you left he coolly walked out. Andy, I'm surprised at such carelessness."

It was seldom that Mr. McKay was annoyed with his son, but the apparent laxity was enough to justify his displeasure.

With Blight roaming about the island, the existence of the others would be a continual round of anxiety. The man was no ordinary criminal. He was versed in all the wiles of the savage life, possessed of considerable strength, skill, and reliance, and was not above resorting to treachery and murder to gain his ends.

A careful examination of the outside of the fence revealed no signs of a burrow under the iron sheeting, but close to the part of the wall that touched the cliff there were unmistakable signs of a man's feet.

"There you are! He did not escape by the door after all, Andy," remarked his father. "See, these two footprints close together show us that he jumped, and, what is more, jumped skilfully, for there are no traces of his heels. We'll find out how he scaled the fence by examining the other side."

Entering the door, the gaolers found that Blight had cut a number of niches in the rock and had thus managed to climb to the top of the fence. The cutting of these footholds must have taken a considerable time, and in spite of the daily examination of the ground for any sign of a tunnel, the niches had escaped observation.

"You see how he hoodwinked us," said Mr. McKay, pointing to the little heap of dried grass and mud. "He dug out those footholds and filled them up with grass and clay, so that they presented the same appearance as the rest of the cliff. Now, lads, we must find him, and the sooner the better."

Accordingly they returned to the house, where Terence was told off to remain on guard with Quexo in the event of the escaped prisoner breaking in and securing arms. The mulatto, though far from having recovered from his injuries, was strong enough to use a pistol, so the two could hold the dwelling-house against a surprise.