Under the Empire we hear no more of it, and no traces of antiquity, beyond inscriptions, remain.
It is now known, however, that they were true Arabs - as the proper names on their inscriptions show - who had come under Aramaic influence.
A large number of milestones and other inscriptions relating to its repair at various times are known.
Inscriptions of Propertii have been found at Assisi.
The Temple of Inscriptions, one of the largest and best preserved, is distinguished chiefly for its tablets, which contain only hieroglyphics.