little cave of a far-off valley where Dian and I had spent our honeymoon. I was none too sure that I could find the valley again, nor that I cared to. So long as the powerful reptilian race of Pellucidar continued to propagate, just so long would the position of man within the inner world be jeopardized. There could not be two dominant races.
I said as much to Dian.
"You used to tell me," she replied, "of the wonderful things you could accomplish with the inventions of your own world. Now you have returned with all that is necessary to place this great power in the hands of the men of Pellucidar.
"You told me of great engines of destruction which would cast a bursting ball of metal among our enemies, killing hundreds of them at one time.
"You told me of mighty fortresses of stone which a thousand men armed with big and little engines such as these could hold forever against a million Sagoths.
"You told me of great canoes which moved across the water without paddles, and which spat death from holes in their sides.
"All these may now belong to the men of Pellucidar. Why should we fear the Mahars?
"Let them breed! Let their numbers increase by thousands. They will be helpless before the power of the Emperor of Pellucidar.
"But if you remain a prisoner in Phutra, what may we accomplish?
"What could the men of Pellucidar do without you to lead them?
"They would fight among themselves, and while they fought the Mahars would fall upon them, and even though the Mahar race should die out, of what value would the emancipation of the human race be to them without the knowledge, which you alone may wield, to guide them toward the wonderful civilization of which you have told me so much that I long for its comforts and luxuries as I never before longed for anything.
"No, David; the Mahars cannot harm us if you are at liberty. Let them have their secret that you and I may return
