oecus in Pompeian houses, [265].
Oenone in paintings, [480].
Officiosus, gladiator, [226].
olive, culture of, about Pompeii, [14]; crusher, [365]; presses for making oil, [333], [365].
Oppius Campanius, [80].
opus compositum, opus incertum, opus mixtum, [37]-[38]; opus reticulatum, [38], [43]; opus Signinum, [74], [278], [366].
Orange, masts of theatre at, [144].
Orestes and Pylades before Thoas, painting, [353]-[356], [472], [479].
Orientals at Pompeii, [17].