These stories froze me with horror. The unknown was standing with bare head, dishevelled hair, haggard eyes! There was no longer any illusion possible. I at last recognized the horrible truth. I was in the presence of a madman! He threw out the rest of the ballast, and we must have now reached a height of at least nine thousand yards. Blood spurted from my nose and mouth! "Who are nobler than the martyrs of science?" cried the lunatic. "They are canonized by posterity." But I no longer heard him. He looked about him, and, bending down to my ear, muttered,-- "And have you forgotten Zambecarri's catastrophe? Listen. On the 7th of October, 1804, the clouds seemed to lift a little. On the preceding days, the wind and rain had not ceased; but the announced ascension of Zambecarri could not