5. P.Volumnius, described by Plutarch as a philosopher, accompanied M. Brutus in his campaign against the triumvirs, and wrote an account of the prodigies which appeared before the death of Brutus, probably in a life of the latter. (Plut. Brut. 48.)
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890