The author of the great, late-antique Commentary on Vergil is most likely to be identified with the Servius who appears among the protagonists of Macrobius’ Saturnaliorum Convivia as a refined and authoritative interpreter of Vergil.  His name is uncertain: it was either ‘Servius Maurus Honoratus’ or ‘Maurus Servius Honoratus,’ or more simply ‘Servius’ (though ‘Sergius’ is also attested).  His place of birth and chronology remain uncertain.  Attempts to fix the latter on the evidence of Macrobius’ works are weak (see Brugnoli 1988 for a synthesis of the various suggestions).  The view proposed by Murgia 2003, however, is reasonably convincing; this holds that Servius composed the Commentary on Vergil in the first decade of the 5^th c. AD, prior to the sack of Rome in AD 410.  We may be certain that Servius worked as a grammaticus and probably served as magister urbis, as is attested by the scholia of Ps.-Acron on Hor. Sat. 1.9.76.  Besides the Commentary on Vergil, we can also attribute to Servius a Commentarius in artem Donati (GLK4.403-448).  Less likely to be authentic, however, are the other short treatises on meter and grammar that are attributed to him in the manuscript tradition, with the possible exception of the Centimeter.  These include the following works, which have all been published by Keil: the Explanationes in artem Donati; the De littera de syllaba de pedibus de accentibus de distinctione; the De centum metris, also known as the Centimeter; the De finalibus; and the De metris Horatii.  The Glossae Servii grammatici was written much later.  [G. Ramires; tr. C. L. Caterine].