you along the only trail that pierces the precipitous cliffs that guard Opar upon the south. Across or around this valley we must go in an attempt to find an avenue across the mountain and down upon the other side."
The ape-man stood gazing down into the wooded basin below them, his mind occupied with the problems of the moment. Had he been alone he would not have come this way, for he was sufficiently confident of his own prowess to believe that he might easily have crossed the valley of Opar in comparative safety, regardless of Cadj's plans to the contrary. But he was not alone. He had now to think of La, and he realized that in her efforts to save him she had placed him under a moral obligation which he might not disregard.
To skirt the basin, keeping as far as possible from the building, which he could see in the distance, seemed the wisest course to pursue, since, of course, his sole purpose was to find a way across the mountain and out of this inhospitable country. But the glimpses he caught of the edifice, half concealed as it was amid the foliage of great trees, piqued his curiosity to such an extent that he felt an almost irresistible urge to investigate. He did not believe that the basin was inhabited by other than wild beasts, and he attributed the building which he saw to the handiwork of an extinct or departed people, either contemporaneous with the ancient Atlantians who had built Opar or, perhaps, built by the original Oparians themselves, but now
