Read it through once

They soon had a proof, however, that they were still within the jurisdiction of the Saints. They had reached the very wildest and most desolate portion of the pass when the girl gave a startled cry, and pointed upwards. On a rock which overlooked the track, showing out dark and plain against the sky, there stood a solitary sentinel. He saw them as soon as they perceived him, and his military challenge of “Who goes there?” rang through the silent ravine.