shouted. “Perry, man! She’s going down! She’s going down! She’s 152 degrees again.” 

 “Gad!” he cried. “What can it mean? Can the earth be cold at the center?” 

 “I do not know, Perry,” I answered; “but thank God, if I am to die it shall not be by fire—that is all that I have feared. I can face the thought of any death but that.” 

 Down, down went the mercury until it stood as low as it had seven miles from the surface of the earth, and then of a sudden the realization broke upon us that death was very near. Perry was the first to discover it. I saw him fussing with the valves that regulate the air supply. And at the same time I experienced difficulty in breathing. My head felt dizzy—my limbs heavy. 

 I saw Perry crumple in his seat. He gave himself a shake and sat erect again. Then he turned toward me. 

 “Good-bye, David,” he said. “I guess this is the end,” and then he smiled and closed his eyes. 

 “Good-bye, Perry, and good luck to you,” I answered, smiling back at him. But I fought off that awful lethargy. I was very young—I did not want to die. 

 For an hour I battled against the cruelly enveloping death that surrounded me upon all sides. At first I found that by climbing high into the framework above me I could find more of the precious life-giving elements, and for a while these sustained me. It must have been an hour after Perry had succumbed that I at last came to the realization that I could no longer carry on this unequal struggle against the inevitable. 

 With my last flickering ray of consciousness I turned mechanically toward the distance meter. It stood at exactly five hundred miles from the earth’s surface—and then of a sudden the huge thing that bore us came to a stop. The rattle of hurtling rock through the hollow jacket ceased. The wild racing of the giant drill betokened that it was running loose in AIR—and then another truth flashed upon me. The point of the prospector was ABOVE us. Slowly it dawned on me that since passing through the ice strata it had been above. We had turned in the ice and sped upward toward the earth’s crust. Thank God! We were safe! 

 I put my nose to the intake pipe through which samples were to have been taken during the passage of the prospector through the earth, and my fondest hopes were realized—a flood of fresh air was pouring into the iron cabin. The reaction left me in a state 

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