tigated until he had made the entire circle of the landing, but in so far as La or any clew to her were concerned his search was fruitless. He found quaint furniture and rugs and tapestries, and ornaments of gold and diamonds, and in one dimly lighted chamber he came upon a sleeping Bolgani, but so silent were the movements of the ape-man that the sleeper slept on undisturbed, even though Tarzan passed entirely around his bed, which was set in the center of the chamber, and investigated a curtained alcove beyond.
Having completed the rounds of this floor, Tarzan determined to work upward first and then, returning, investigate the lower stages later. Pursuant to this plan, therefore, he ascended the strange stairway. Three landings he passed before he reached the upper floor of the tower. Circling each floor was a ring of doors, all of which were closed, while dimly lighting each landing were feebly burning cressets—shallow, golden bowls—containing what appeared to be tallow, in which floated a tow-like wick.
Upon the upper landing there were but three doors, all of which were closed. The ceiling of this hallway was the dome-like roof of the tower, in the center of which was another circular opening, through which the stairway protruded into the darkness of the night above.
As Tarzan opened the door nearest him it creaked upon its hinges, giving forth the first audible sound that had resulted from his investiga-
