“He will doubtless be called before the investigators shortly,” said he who had brought me back, “so have him in readiness.”

The guards in whose hands I now found myself, upon hearing that I had returned of my own volition to Phutra evidently felt that it would be safe to give me liberty within the building as had been the custom before I had escaped, and so I was told to return to whatever duty had been mine formerly.

My first act was to hunt up Perry; whom I found poring as usual over the great tomes that he was supposed to be merely dusting and rearranging upon new shelves.

As I entered the room he glanced up and nodded pleasantly to me, only to resume his work as though I had never been away at all.  I was both astonished and hurt at his indifference.  And to think that I was risking death to return to him purely from a sense of duty and affection!

“Why, Perry!” I exclaimed, “haven’t you a word for me after my long absence?”

“Long absence!” he repeated in evident astonishment.  “What do you mean?”

“Are you crazy, Perry?  Do you mean to say that you have not missed me since that time we were separated by the charging thag within the arena?”

“’That time’,” he repeated.  “Why man, I have but just returned from the arena!  You reached here almost as soon as I. Had you been much later I should indeed have been worried, and as it is I had intended asking you about how you escaped the beast as soon as I had completed the translation of this most interesting passage.”

“Perry, you are mad,” I exclaimed.  “Why, the Lord only knows how long I have been away.  I have been to other lands, discovered a new race of humans within Pellucidar, seen the Mahars at their worship in their hidden temple, and barely escaped with my life from them and from a great labyrinthodon that I met afterward, following my long and tedious wanderings across an unknown world.  I must have been away for months, Perry, and now you barely look up from your work when I return and insist that we have been separated but a moment.  Is that any way to treat a friend?  I’m surprised at you, Perry, and if I’d thought for a moment that you cared no more for me than this I should not have returned to chance death at the hands of the Mahars for your sake.”

The old man looked at me for a long time before he spoke.  There was a puzzled expression upon his wrinkled face, and a look of hurt sorrow in his eyes.

“David, my boy,” he said, “how could you for a moment doubt my love for you?  There is something strange here that I cannot understand.  I know that I am not mad, and I am equally sure that you are not; but how in the world are we to account for the strange hallucinations that each of us seems to harbor relative to the passage of time since last we saw each other.  You are positive that months have gone by, while to me it seems equally certain that not more than an hour ago I sat beside you in the amphitheater.  Can it be that both of us are right and at the same time both are wrong?  First tell me what time is, and then maybe I can solve our problem.  Do you catch my meaning?”