arrived when I did.” 

 “But why did you do it?” I asked, puzzled at this show of friendship on the part of a man of another world and a different race and color. 

 “You saved my life,” he replied; “from that moment it became my duty to protect and befriend you. I would have been no true Mezop had I evaded my plain duty; but it was a pleasure in this instance for I like you. I wish that you would come and live with me. You shall become a member of my tribe. Among us there is the best of hunting and fishing, and you shall have, to choose a mate from, the most beautiful girls of Pellucidar. Will you come?” 

 I told him about Perry then, and Dian the Beautiful, and how my duty was to them first. Afterward I should return and visit him—if I could ever find his island. 

 “Oh, that is easy, my friend,” he said. “You need merely to come to the foot of the highest peak of the Mountains of the Clouds. There you will find a river which flows into the Lural Az. Directly opposite the mouth of the river you will see three large islands far out, so far that they are barely discernible, the one to the extreme left as you face them from the mouth of the river is Anoroc, where I rule the tribe of Anoroc.” 

 “But how am I to find the Mountains of the Clouds?” I asked. “Men say that they are visible from half Pellucidar,” he replied. 

 “How large is Pellucidar?” I asked, wondering what sort of theory these primitive men had concerning the form and substance of their world. 

 “The Mahars say it is round, like the inside of a tola shell,” he answered, “but that is ridiculous, since, were it true, we should fall back were we to travel far in any direction, and all the waters of Pellucidar would run to one spot and drown us. No, Pellucidar is quite flat and extends no man knows how far in all directions. At the edges, so my ancestors have reported and handed down to me, is a great wall that prevents the earth and waters from escaping over into the burning sea whereon Pellucidar floats; but I never have been so far from Anoroc as to have seen this wall with my own eyes. However, it is quite reasonable to believe that this is true, whereas there is no reason at all in the foolish belief of the Mahars. According to them Pellucidarians who live upon the opposite side walk always with their heads pointed downward!” and Ja laughed uproariously at the very thought. 

 It was plain to see that the human folk of this inner world had not advanced far in 

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