The Cave of Gold

"Whoa!"-"whoa!" With quick jerks on their bridle reins Thure Conroyal and Bud Randolph pulled up their horses and listened shiveringly. Again that same shrill whistling scream of dreadful agony and fear, that had caused them to rein up their horses so suddenly a moment before, came from the valley beyond the brow of the little hill up which they had been slowly riding, and chilled the very marrow in their bones with the terrible intensity of its fear and anguish. Then all was still.