M. Topin did not at once make known the result of what he claimed to be his entirely triumphant solution of the enigma, and publish his work in book form. He doubtless reflected that, as the world had waited in patient expectation more than a hundred and fifty years for the revelation of the mystery, it might readily summon up sufficient resignation to wait a few months longer. He accordingly announced that the successive chapters of his work would appear from time to time in _Le Correspondant_, a highly respectable Paris semi-monthly. The first number of his series was published on the 25th of February, 1869, and the last, making seven in all, on the 11th of November. We have received, as they appeared, all the numbers of the _Correspondant_, and are therefore enabled to present from the author's own articles the following statement of the result of what he has written. M. Topin could not deny himself that universal enjoyment of the story-teller--to hold his auditors in suspense and on tiptoe of expectation by proposing a varied succession of solutions of the mystery in hand, and dismissing them in turn with a--"Well, that's not it." He takes up, one after the other, the various _prétendants_ to the honor of the Iron Mask's living martyrdom, discusses all the claims in their favor, presents the objections, demonstrates that their position is untenable, orders them off the stage, and passes on to the next; thus successively eliminating them until he reaches his objective point. M. Topin's first article is preceded by a sort of device, or motto, in the shape of a short extract from an order of Louis XIV.: _Il faudra que personne ne sache ce que cet homme sera devenu_, (no one must know what has become of this man.) It was noticed that the date of the order is not given. The article opens with a statement of the arrival of M. Saint Mars at the Bastille (Paris) at three P.M., on the 18th of September, 1698. St. Mars was the newly-appointed governor of that prison, and came accompanied by a prisoner whose face was concealed by a mask of black velvet. This prisoner died, and was buried on the 20th of November, 1703, under the name of Marchialy. The extraordinary precautions taken after the death of Marchialy are narrated in our previous number. The dates above given are important in determining the claims of other candidates, inasmuch as the facts and dates connected with the arrival, death, and burial of a masked prisoner at the Bastille are established beyond controversy by official documents, and must be considered in any case presented.