2. M. Sergius Silus, son of the preceding, and grandfather of Catiline, was legatus of Aemilius Paulus in the war with Perseus in B. C. 168. (Liv. 44.40.)
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.