important of which was that he feared that any sudden strains upon his series of hooks might straighten one of them and precipitate him into the abyss below; the other was the necessity for silence. It was very dark even this close to the summit of the dome, but that was rather an advantage than otherwise, for it hid his presence from any chance observer who might glance through one of the embrasures in the opposite wall of the shaft. As he descended he felt in both directions for an embrasure, but he was almost at the end of his ladder before he felt himself swing slightly into one. When he had lowered himself still farther and could look into the opening he saw that it was dark, an indication that it did not lead into an inhabited chamber, a fact for which he was thankful. He hoped, too, that the inner end of the embrasure was not barred, nor the door beyond bolted upon the outside.
He whistled once, very low, for Komodoflorensal, and an instant later he felt the movement of the iron ladder that told him his companion had commenced the descent. The embrasure in which he stood was higher than the one they had just quitted, permitting him to stand erect. There he waited for the Trohanadalmakusian who was soon standing upon the ledge beside him.
"Whew!" exclaimed the prince, in a whisper. "I should hate to have had to do that in the day-
