an Italian ecclesiastic, antiquary, and historian, was born at Turin in 1710. He studied at Bologna, became professor of philosophy at Genoa, and in 1761 settled at Parma as librarian to the. grand-duke, who also -appointed him his. antiquary and director of some public works; besides which he was historiographer of the Order of Malta. He died in 1785. His principal works of interest to us are, De cultu S. Joannis Baptistce antiquitates Christiance (1754, 4to), a masterpiece full of information: — Monumenta Peloponnesiaca (2 vols. 4to): — Memoirs of the Grand Masters of the Order of St. John of Jerusalem (3 vols. 4to). See Fabroni, Vitce Italiorum, vol. 14 s.v.; Leneys, Life of Paciaudi prefixed to his Letters to M. de Caylus; Tipaldo, Biog. degli Italiani illustri, vol. 10, s.v.