"Forever!" she replied in the sign language of their people.
Tarzan had remained but a short time in the little room adjoining that in which Zuanthrohago had received Elkomoelhago, when he was summoned to appear before them alone, and as he entered the room his master motioned him to approach the desk behind which the two men sat. There was no other person in the room, even the warriors having been dismissed.
"You are quite positive that he understands nothing of our language?" demanded the king.
"He has not spoken a word since he was captured," replied Zoanthrohago. "We had supposed him some new form of Zertalacolol until it was discovered that he possessed a language through which he was able to communicate with the other Trohanadalmakusian slave. It is perfectly safe to speak freely before him, All-Wise."
Elkomoelhago cast a quick, suspicious glance at his companion. He would have preferred that Zoanthrohago of all men address him as All-Glorious—it was less definite in its implication. He might deceive others, even himself, as to his wisdom, but he was perfectly aware that he could not fool Zoanthrohago.
"We have never discussed fully," said the king, "the details of this experiment. It was for this purpose that I came to the laboratory to-
