We now felt that it would be some time at least before the returning First Born could reach the surface of Omean, and that we would have ample opportunity to make for the subterranean passages which lead to Issus. One of the first steps I took was to hasten personally with a good-sized force to the island of the submarine, which I took without resistance on the part of the small guard there.
I found the submarine in its pool, and at once placed a strong guard upon it and the island, where I remained to wait the coming of Carthoris and the others.
Among the prisoners was Yersted, commander of the submarine. He recognized me from the three trips that I had taken with him during my captivity among the First Born.
"How does it seem," I asked him, "to have the tables turned? To be prisoner o
