as an arrow. The floor was slippery, as though at times the rising waters of the well overflowed and flooded it. This, in itself, retarded Tarzan's pace, for it was with difficulty that he kept his footing.
The foot of a stairway ended the passage. Up this he made his way. It turned back and forth many times, leading, at last, into a small, circular chamber, the gloom of which was relieved by a faint light which found ingress through a tubular shaft several feet in diameter which rose from the center of the room's ceiling, upward to a distance of a hundred feet or more, where it terminated in a stone grating through which Tarzan could see a blue and sun-lit sky.
Curiosity prompted the ape-man to investigate his surroundings. Several metal-bound, copper-studded chests constituted the sole furniture of the round room. Tarzan let his hands run over these. He felt of the copper studs, he pulled upon the hinges, and at last, by chance, he raised the cover of one.
An exclamation of delight broke from his lips at sight of the pretty contents. Gleaming and glistening in the subdued light of the cham-
