To reach the gates unobserved by the thoats was the first step in my plan and the better to do this I decided to seek an apartment near the gate, on either side of which I saw windows similar to that from which we were looking. Therefore, motioning my companion to follow me, I returned to the corridor and again groping through the darkness we made our way along it. In the third apartment which I explored I found a window letting into the courtyard close beside the gate. And in the wall which ran at right angles to that in which the window was set I found a doorway that opened into a large vaulted corridor upon the opposite side of the gate. This discovery greatly encouraged me since it harmonized perfectly with the plan I had in mind, at the same time reducing the risk which my companion must run in the attempted adventure of escape. "Remain here," I said to her, placing her just behind the gate. "If the plan is successful I shall ride into this corridor upon one of the thoats and as I do so you must be ready to seize my hand and mount behind me. If I am discovered and fail I shall cry out 'For Helium!' and that must be your signal to escape as best you may." She laid her hand upon my arm. "Let me go into the courtyard with you," she begged. "Two swords are better than one." "No," I said. "Alone I have a better chance of handling the thoats than if their attention is distracted by another." "Very well," she said, and with that I left her, and, re-entering the chamber, went directly to the window. For a moment I reconnoitered the interior of the courtyard and finding conditions unchanged, I slipped stealthily through the window and edged slowly toward the gate. Cautiously I examined the latch and discovering it easy to manipulate, I was soon silently pushing one of the gates back upon its hinges. When it was opened sufficiently wide to permit the passage of a thoat, I turned my attention to the beasts within the enclosure. Practically untamed, these savage creatures are wild as their uncaptured fellows of the remote sea bottoms, and, being controlled solely by telepathic means, they are amenable only to the suggestion of the more powerful minds of their masters and even so it requires considerable skill to dominate them. I had learned the method from Tars Tarkas himself and had come to feel considerable proficiency so that I approached this crucial test of my power with the confidence that was absolutely requisite to success.