one of Catiline's conspirators, was stationed by the chief at Faesulae in Etruria, where he was commissioned to collect an army and prepare all military stores.
He had served under Sulla as a centurion, and possessed great military experience and reputation.
In the battle against Cicero's colleague, Antonius, in which Catiline fell, Mallius commanded the right wing, and was killed in the conflict. (Sal. Cat. 24
; Cic. in Cat.
1.3, 9, 12, 2.6, 9; D. C. 37.30