though upon what meager food he sustained his optimism I could not conjecture. From cursing he had turned to singing—I felt that the strain had at last affected his mind. For several hours we had not spoken except as he asked me for the readings of the instruments from time to time, and I announced them. My thoughts were filled with vain regrets. I recalled numerous acts of my past life which I should have been glad to have had a few more years to live down. There was the affair in the Latin Commons at Andover when Calhoun and I had put gunpowder in the stove—and nearly killed one of the masters. And then—but what was the use, I was about to die and atone for all these things and several more. Already the heat was sufficient to give me a foretaste of the hereafter. A few more degrees and I felt that I should lose consciousness.
"What are the readings now, David?" Perry's voice broke in upon my somber reflections.
"Ninety miles and 153 degrees," I replied.
"Gad, but we've knocked that thirty-mile-
