CHAPTER VII.
The Cave in the Pentlands John Kerr was well nigh beside himself with fury.
If this was to go on, the whole of his estate would be harried, his vassals ruined, and his revenues stopped, and this by a mere handful of foes.

Again he started with his vassals to explore the hills, this time in parties of ten only, so as to explore thoroughly a larger space of ground.

When at evening the men returned, it was found that but two men of one of the parties, composed entirely of men-at-arms from the castle, came back.

They reported that when in a narrow ravine showers of rocks were hurled down upon them from both sides.

Four of their number were killed at once, and four others had fallen pierced by arrows from an unseen foe as they fled back down the ravine.
"Methinks, Sir John," Red Roy said, "that I know the place where the Forbeses may have taken up their abode.