"We subjoin a few particulars gleaned in the course of an interview which Benjamin Prévotelle was good enough to grant us. We apologize for being able to give no more details concerning his personality. How should it be otherwise: Benjamin Prévotelle is twenty-three years of age. He . . ." I had to stop here, as the subsequent lines escaped my eyes. Was I to learn more? Velmot had risen from his chair and was walking to and fro. After a brief disappearance, he returned with a bottle of some liqueur, of which he drank two glasses in quick succession. Then he unfolded the newspaper and began to peruse the report or rather to reperuse it, for I had no doubt that he had read it before. His chair was right against my shutter. He sat leaning back, so that I was able to see, not the end of the preliminary article, but the report itself, which he read rather slowly. The daylight, proceeding from a sky whose clouds must have hidden the sun, was meantime diminishing. I read simultaneously with Velmot: "_An Open Letter to the Academy of Science_ "I will beg you, gentlemen, to regard this memorandum as only the briefest possible introduction to the more important essay which I propose to write and to the innumerable volumes to which it is certain to give rise in every country, to which volumes also it will serve as a modest preface. "I am writing hurriedly, allowing my pen to run away with me, improvising hastily as I go along. You will find omissions and defects which I do not attempt to conceal and which are due in equal proportions to the restricted number of observations which we were able to make at Meudon and to the obstinate refusal which M. Théodore Massignac opposes to every request for additional information. But the remarkable feeling aroused by the miraculous pictures makes it my duty to offer the results, as yet extremely incomplete, of an investigation in respect of which I have the legitimate ambition to reserve the right of priority. I thus hope, by confining my hypotheses to a definite channel, to assist towards establishing the truth and relieving the public mind.