The Vatican Manuscript alluded to in the foregoing letter, and constantly referred to in the text, was published by the author in the autumn of 1877, under the title of “Die Acten des Gallileischen Processes, nach der Vaticanischen Handschrift, von Karl von Gebler.” Cotta, Stuttgard. This, with some introductory chapters, was intended to supersede the Appendix to the original work, and to form a second volume, when a new German edition should be called for. It did not, however, appear to me that any purpose would be served by reprinting all the Latin and Italian documents of the Vatican MS. in this country, as students who wish to consult them can easily procure them as published in the original languages in Germany, and I hope for a wider circle of readers than that composed exclusively of students. I therefore proposed to Herr von Gebler to give the History, Description, and Estimate of the Vat. MS., etc., in an Appendix, together with a few of the more important documents; to this, with some suggestions, as for instance, that some of the shorter documents should be given as notes to the text, he fully agreed, with the remark that I must know best what would suit my countrymen. The Appendix, therefore, differs somewhat both from the original Appendix and from the introductory portions of the new volume, for these also were revised for the Translation. The translations from Latin and Italian documents have been made from the originals by a competent scholar, and all the more important letters and extracts from letters of Galileo have been compared with the Italian. The Table of Contents, headings to and titles of the chapters, and Index, none of which exist in the original, have been added by myself. JANE STURGE. SYDENHAM, _November, 1878_. BIOGRAPHICAL NOTICE OF THE AUTHOR. ABRIDGED FROM THE “AUGSBURGER ALLGEMEINE ZEITUNG” OF 6TH DECEMBER, 1878. The author of this work died at Gratz on the 7th of September, 1878. In devoting a few lines to his memory we have not a long and distinguished career to describe, for a brief span of life was all that was granted him, but to the last moment he sought to turn it to the best account. The present work has enjoyed a wide circulation in Germany, but few of its readers could have known anything of the author but his name. The protracted studies which form the basis of it, the skilful handling of documentary material which seemed to betray the practised historian, must have suggested a man of ripe years, whose life had been passed in study, as the author; no one certainly would have sought him among the young officers of a cavalry regiment, whose tastes generally lie in any direction rather than that of historical research.