"As sure as may be," he replied; "having only ancient legend to support my belief. But see how closely, so far, each detail tallies with the world-old story of the hegira of the yellow race. Yes, I am sure that we have discovered the way to their ancient hiding place."
"If it be true, and let us pray that such may be the case," I said, "then here may we solve the mystery of the disappearance of Tardos Mors, Jeddak of Helium, and Mors Kajak, his son, for no other spot upon Barsoom has remained unexplored by the many expeditions and the countless spies that have been searching for them for nearly two years. The last word that came from them was that they sought Carthoris, my own brave son, beyond the ice-barrier."
As we talked we had been approaching the entrance to the cave, and as we cro
