Whatever may be their origin - and they came from Cumae - they were placed in the Capitoline temple under the care of a special commission of two (duoviri sacris faciundis, later decemviri and quindecimviri), and their "oracles," which were referred to in times of great national stress, recommended the introduction of foreign cults.
The highest magistrates were the Ilviri (Duoviri) juri dicundo, who had charge, as their name implies, of all local jurisdiction, and presided over the assembly.
The municipal administration here, as elsewhere, was in the hands of two duoviri iure dicundo and two aediles, the supreme body being the city council (decuriones).
844, it is the duoviri who build the small theatre), but does appear in the Oscan inscriptions.
An interesting stone containing nine cavities for measures of capacity found in Pompeii and now preserved in the Naples Museum with Oscan inscriptions erased in antiquity shows that the Oscan system of measurement was modified so as to correspond more closely with the Roman, about 14 B.C., by the duoviri, who record their work in a Latin inscription (C.I.L.
The following are the names of the six boards: (I) Tresviri capitales (see Tresviri); (2) Tresviri monetales; (3) Quatuorviri viis in urbe purgandis, who had the care of the streets and roads inside the city; (4) Duoviri viis extra urbem purgandis '(see DuovIRI), abolished by Augustus; (5) Decemviri stlitibus judicandis (see DECEMvIRI); (6) Quatuor praefecti Capuam Cumas, abolished by Augustus.