Read it through once

So tardily stole the time in this lonely place, and so eager was the spy to penetrate the motives of an interview so different from what he had been led to expect, that he more than once gave the matter up for lost, and persuaded himself, either that they had stopped far above, or had resorted to some entirely different spot to hold their mysterious conversation. He was on the point of emerging from his hiding-place, and regaining the road above, when he heard the sound of footsteps, and directly afterwards of voices almost close at his ear.