Hearing no noise and seeing no evidence of another than himself, Tarzan opened the door and stepped into the hallway. His nostrils were now assailed strongly by the same heavy fragrance of incense that had first greeted him upon his approach to the palace several days before. In the interior of the tower, however, it was much more powerful, practically obliterating all other odors, and placing upon the ape-man an almost prohibitive handicap in his search for La. In fact as he viewed the doors upon this single stage of the tower, he was filled with consternation at the prospect of the well-nigh impossible task that confronted him. To search this great tower alone, without any assistance whatever from his keen sense of scent, seemed impossible of accomplishment, if he were to take even the most ordinary precautions against detection.
The ape-man's self-confidence was in no measure blundering egotism. Knowing his limitations, he knew that he would have little or no chance against even a few Bolgani were he to be discovered within their palace, where all was familiar to them and strange to him. Behind him was the open window, and the silent jungle night, and freedom. Ahead danger, predestined failure; and, quite likely, death. Which should he choose? For a moment he stood in silent thought, and then, raising his head and squaring his great shoulders, he shook his black locks defiantly and stepped boldly toward the nearest door. Room after room he had inves-
