In the year 1681, St. Mars was offered the government of the citadel of Pignerol, which he declined accepting, for what reasons we are not told: Lewis, who was anxious to recompense his services as a gaoler of State prisoners, then gave him the government of Exiles,[105] a strong fortress and pass near Susa, on the frontier of Piedmont and the Briançonnois, which was vacant by the death of the Duke de Lesdiguières; at the same time augmenting the salary attached to that situation, so as to make it equal to that of the towns in Flanders.[106] Louvois, in a letter dated May 12th, 1681, acquaints St. Mars with his appointment; and informs him that “the two prisoners in the lower part of the tower” are the only ones of those under his care at Pignerol, whom the King wishes to accompany him to Exiles.[107] “The two prisoners in the lower part of the tower,” signify, as we have before seen, Matthioli and the monk. An additional proof indeed, if any were wanted, that Matthioli was one of the two prisoners conveyed to Exiles, is given in the following extract from a letter of Louvois, dated June 9th, 1681:--“With regard to the effects belonging to the Sieur Matthioli which are in your possession, you will have them taken to Exiles, in order to be given back to him, if ever his Majesty should order him to be set at liberty.”[108] It is to be remarked, that this is the last time Matthioli is mentioned by name in the correspondence between Louvois and St. Mars--in consequence, it appears, of what is said by the former in his letter before quoted of the 12th of May, where he desires a list of the names of all the prisoners then under the guard of St. Mars to be sent to him, and adds--“with regard to the two who are in the lower part of the tower, you need only designate them in that manner, without adding any thing else.”[109] This precaution was evidently enjoined lest the list should fall into other hands, while it also shows that the necessity for concealment was still considered as strong as ever.