beginning upon Ja, who was my friend, and thus note the effect of my teaching upon a Pellucidarian.
"Ja," I said, "what would you say were I to tell you that in so far as the Mahars' theory of the shape of Pellucidar is concerned it is correct?"
"I would say," he replied, "that either you are a fool, or took me for one."
"But, Ja," I insisted, "if their theory is incorrect how do you account for the fact that I was able to pass through the earth from the outer crust to Pellucidar. If your theory is correct all is a sea of flame beneath us, wherein no peoples could exist, and yet I come from a great world that is covered with human beings, and beasts, and birds, and fishes in mighty oceans."
"You live upon the under side of Pellucidar, and walk always with your head pointed downward?" he scoffed. "And were I to believe that, my friend, I should indeed be mad."
I attempted to explain the force of gravity to him, and by the means of the dropped
