numbers were filled; and he repeated the whole (notwithstanding he heard these words, without order, and but once,) in the numerical order; or he told you what word was given against any one number, or what number any one word bore. It is still more striking, but certainly, likewise, more difficult, to retain as many numbers however great they may be. For words and numbers I could venture myself, with the greatest safety, as far as one hundred of each; and I am sure, after having fixed them once, which is done in less than ten minutes, I could repeat them to you at any period, without ever thinking any more of them.
"M. Feinaigle is about to visit England."
To the testimony of M. Fichtel may be added that of the celebrated French astronomer, M. Lalande, who says, "I have witnessed the extraordinary effects produced on the memory, by the method of M. de Feinaigle: one of his pupils is able to repeat, in any order, without the least mistake, a table of fifty cities in all parts of the world, with the degrees of longitude and latitude in which they are situated; the same is the case with chronology: in the Annuaire, I have inserted 240 dates from antient and modern history, and M. de Feinaigle's Scholars repeat
