The King and Queen lately paid a visit to four of the principal nunneries in this town. Their motive was, to gratify the curiosity of the Archduchess, and her husband, Prince Albert of Saxony. I ought to have informed you, that this illustrious couple left Vienna some months after us, with an intention to make the tour of Italy. We had the honour of seeing them frequently while at Rome, where they conciliated the affections of the Italian nobles by their obliging manners, as much as they commanded respect by their high rank. The Archduchess is a very beautiful woman, and more distinguished by the propriety of her conduct, than by either birth or beauty. As white, by the link of contrast, is connect............