"How came you here at all?" I asked, mystified that he had found me without a guide.

"It was by your wit in apprising me of your existence and imprisonment through the youth, Parthak. Until he came for his harness and his sword, we had thought you dead. When I had read your note I did as you had bid, giving Parthak his choice of the harnesses in the guardroom, and later bringing the jewelled short-sword to him; but the minute that I had fulfilled the promise you evidently had made him, my obligation to him ceased. Then I commenced to question him, but he would give me no information as to your whereabouts. He was intensely loyal to Zat Arras.

"Finally I gave him a fair choice between freedom and the pits beneath the palace-the price of freedom to be full information as to where you were imprisoned and directions which would lead us to you; but still he maintained his stubborn partisanship. Despairing, I had him removed to the pits, where he still is.

"No threats of torture or death, no bribes, however fabulous, would move him. His only reply to all our importunities was that whenever Parthak died, were it to-morrow or a thousand years hence, no man could truly say, 'A traitor is gone to his deserts.'

"Finally, Xodar, who is a fiend for subtle craftiness, evolved a plan whereby we might worm the information from him. And so I caused Hor Vastus to be harnessed in the metal of a Zodangan soldier and chained in Parthak's cell beside him. For fifteen days the noble Hor Vastus has languished in the darkness of the pits, but not in vain. Little by little he won the confidence and friendship of the Zodangan, until only to-day Parthak, thinking that he was speaking not only to a countryman, but to a dear friend, revealed that Hor Vastus the exact cell in which you lay.

"It took me but a short time to locate the plans of the pits of Helium among thy official papers. To come to you, though, was a trifle more difficult matter. As you know, while all the pits beneath the city are connected, there are but single entrances from those beneath each section and its neighbour, and that at the upper level just underneath the ground.

"Of course, these openings which lead from contiguous pits to those beneath government buildings are always guarded, and so, while I easily came to the entrance to the pits beneath the palace which Zat Arras is occupying, I found there a Zodangan soldier on guard. There I left him when I had gone by, but his soul was no longer with him.

"And here I am, just in time to be nearly killed by you," he ended, laughing.

As he talked Carthoris had been working at the lock which held my fetters, and now, with an exclamation of pleasure, he dropped the end of the chain to the floor, and I stood up once more, freed from the galling irons I had chafed in for almost a year.

He had brought a long-sword and a dagger for me, and thus armed we set out upon the return journey to my palace.

At the point where we left the pits of Zat Arras we found the body of the guard Carthoris had slain. It had not yet been discovered, and, in order to still further delay search and mystify the jed's people, we carried the body with us for a short distance, hiding it in a tiny cell off the main corridor of the pits beneath an adjoining estate.

Some half-hour later we came to the pits beneath our own palace, and soon thereafter emerged into the audience chamber itself, where we found Kantos Kan, Tars Tarkas, Hor Vastus, and Xodar awaiting us most impatiently.

No time was lost in fruitless recounting of my imprisonment. What I desired to know was how well the plans we had laid nearly a year ago and had been carried out.

"It has taken much longer than we had expected," replied Kantos Kan. "The fact that we were compelled to maintain utter secrecy has handicapped us terribly. Zat Arras' spies are everywhere. Yet, to the best of my knowledge, no word of our real plans has reached the villain's ear.

"To-night there lies about the great docks at Hastor a fleet of a thousand of the mightiest battleships that ever sailed above Barsoom, and each equipped to navigate the air of Omean and the waters of Omean itself. Upon each battleship there are five ten-man cruisers, and ten five-man scouts, and a hundred one-man scouts; in all, one hundred and sixteen thousand craft fitted with both air and water propellers.

"At Thark lie the transports for the green warriors of Tars Tarkas, nine hundred large troopships, and with them their convoys. Seven days ago all was in readiness, but we waited in the hope that by so doing your rescue might be encompassed in time for you to command the expedition. It is well we waited, my Prince."

"How is it, Tars Tarkas," I asked, "that the men of Thark take not the accustomed action against one who returns from the bosom of Iss?"

"They sent a council of fifty chieftains to talk with me here," replied the Thark. "We are a just people, and when I had told them the entire story they were as one man in agreeing that their action toward me would be guided by the action of Helium toward John Carter. In the meantime, at their request, I was to resume my throne as Jeddak of Thark, that I might negotiate with neighboring hordes for warriors to compose the land forces of the expedition. I have done that which I agreed. Two hundred and fifty thousand fighting men, gathered from the ice cap at the north to the ice cap at the south, and representing a thousand different communities, from a hundred wild and warlike hordes, fill the great city of Thark to-night. They are ready to sail for the Land of the First Born when I give the word and fight there until I bid them stop. All they ask is the loot they take and transportation to their own territories when the fighting and the looting are over. I am done."

"And thou, Hor Vastus," I asked, "what has been thy success?"

"A million veteran fighting-men from Helium's thin waterways man the battleships, the transports, and the convoys," he replied. "Each is sworn to loyalty and secrecy, nor were enough recruited from a single district to cause suspicion."

"Good!" I cried. "Each has done his duty, and now, Kantos Kan, may we not repair at once to Hastor and get under way before to-morrow's sun?"

"We should lose no time, Prince," replied Kantos Kan. "Already the people of Hastor are questioning the purpose of so great a fleet fully manned with fighting-men. I wonder much that word of it has not before reached Zat Arras. A cruiser awaits above at your own dock; let us leave at-" A fusillade of shots from the palace gardens just without cut short his further words.

Together we rushed to the balcony in time to see a dozen members of my palace guard disappear in the shadows of some distant shrubbery as in pursuit of one who fled. Directly beneath us upon the scarlet sward a handful of guardsmen were stooping above a still and prostrate form.

While we watched they lifted the figure in their arms and at my command bore it to the audience chamber where we had been in council. When they stretched the body at our feet we saw that it was that of a red man in the prime of life-his metal was plain, such as common soldiers wear, or those who wish to conceal their identity.

"Another of Zat Arras' spies," said Hor Vastus.

"So it would seem," I replied, and then to the guard: "You may remove the body."

"Wait!" said Xodar. "If you will, Prince, ask that a cloth and a little thoat oil be brought."

I nodded to one of the soldiers, who left the chamber, returning presently with the things that Xodar had requested. The black kneeled beside the body and, dipping a corner of the cloth in the thoat oil, rubbed for a moment on the dead face before him, Then he turned to me with a smile, pointing to his work. I looked and saw that where Xodar had applied the thoat oil the face was white, as white as mine, and then Xodar seized the black hair of the corpse and with a sudden wrench tore it all away, revealing a hairless pate beneath.