Guillaume Tronson. Signed A. B. Flamen. Hadriani de Valois, dom. de la Mare. Jerôme Bignon, grand maitre de la Bibliothèque du Roi. A fine armorial plate, probably engraved by François Chauveau. Leonor Le François Sr. de Rigawille. Motto: “Meliora sequentr,” dated 1673. Charles Maurice Le Tellier, archevêque de Reims. Signed J. Blocquet, 1672. Louis François du Bouchet, Marquis de Souches. Signed “Mavelot, graveur de Mademoiselle.” Mgr. Pellot, Premier President du Parl^{mt} de Normandie. Signed J. T., probably Jean Toustain, an engraver of Normandy. This President Pellot possessed a valuable collection of Spanish and Italian books. Guyet de la Sordière, a plate bearing the arms of several family alliances of la Sordière. Charles, Marquis et Comte de Rostaing. Signed P. Nolin. This fine heraldic plate does not bear the name of its owner, but as it is exactly reproduced in the Armorial of Segoing, with the inscription “Armes d’Alliances de Messire Charles marquis et comte de Rostaing, gravées par son très humble serviteur Pierre Nolin, 1650,” we are enabled at once to identify the plate, and to fix its date. [Illustration: BOOK-PLATE OF MONSIEUR DE LORME.] Simon Chauuel, chevalier, Seigneur de la Pigeonnière, Conseiller du Roy, etc. Signed P. Nolin. This book-plate is also reproduced in the Armorial of Segoing, which indeed contains about sixty copies of ex-libris copied by Nolin, either from his own works, or from other plates belonging to his customers, or engravings by his brother artists. Denis Godefroy. Died in 1681. Ex-libris in two sizes, both armorial. Potier de Novion. A nameless ex-libris, identified by the arms, and signed by Trudon. The only known book-plate signed by this artist, who yet engraved all the plates to illustrate his work entitled “Nouveau traité de la science pratique du blason,” published in 1689. Jules-Hardouin Mansart, superintendent of buildings under Louis XIV. Signed Montulay Lenée. Heraldic plate, no name. Jean-Nicolas de Tralage, a nephew of La Reynie, commandant of police. De Tralage presented his valuable collections to the Abbey of Saint Victor in 1698. In many cases these plates have been identified only by the arms they carry. Ex-libris had not yet become truly fashionable amongst bibliophiles of the first rank, arms and devices being still generally stamped on the covers of their books, and the names of the owners were seldom considered necessary in a society where every person of any position was compelled to understand heraldry, and to be acquainted with the armorial bearings of the principal families.