Rocks.----These figured on medals indicate a city built on, or situated near, a hill or small mounts. The personified genius of a Roman province is sometimes seen seated or reclining upon rocks or hills. (See Roma.)----Thus Africa, on a coin of Antoninus Pius; Britannia in Antoninus Pius and Commodus; Dacia, in Trajan and Hadrian; Hispania, in Hadrian; &c.----Rome herself, on the coin which represents the ficus Ruminalis, above alluded to, is seated on rocks, allusive to the seven hills on which the city was built.