across rocky uplands as inhospitable as the stunted thorns that dotted them.
And in the Royal Dome of Elkomoelhago, Thagosto of Veltopismakus, three people halted in a rock walled, hidden chamber and listened to a human voice that appeared to come to them out of the very rock of the walls surrounding them.
Upon the floor about them lay the bones of long-dead men. About them rose the impalpable dust of ages.
The girl pressed closer to Tarzan. "Who is it?" she whispered.
Tarzan shook his head.
"It is a woman’s voice," said Komodoflorensal.
The ape-man raised his candle high above his head and took a step closer to the left hand wall; then he stopped and pointed. The others looked in the direction indicated by Tarzan’s finger and saw an opening in the wall a hual or two above his head. Tarzan handed his candle to Komodoflorensal, removed his sword and laid it on the floor, and then sprang lightly for the opening. For a moment he clung to its edge, listening, and then he dropped back into the chamber.
"It is pitch black beyond," he said. "Whoever owns that voice is in another chamber beyond that into which I was just looking. There was no human being in the next apartment."
"If it was absolutely dark, how could you know
