It was of the nature of a contract, entered into by mutual promise, the clasping of hands, and exchange of an agreement in writing (tabula hospitalis) or of a token (tessera or symbolum), and was rendered hereditary by the division of the tessera.
In the Tabula Peutingeriana it appears as Prisca, in the Antonine Itinerary as Serantaprista, in the Notitia as Seragintaprista and in Ptolemy as Priste Polis.
Mappa mundi was the medieval Latin for a map of the world which the ancients called Tabula totius orbis descriptionem Topographical maps and plans are drawn on a scale sufficiently large to enable the draughtsman to show most objects on a scale true to nature.
On the Tabula Peutingeriana appear the "Chamavi qui et Pranci," which should doubtless read " qui et Franci "; these Chamavi apparently dwelt between the Yssel and the Ems. Later, we find them a little farther south, on the banks of the Rhine, in the district called Hamalant, and it is their customs which were brought together in the 9th century in the document known as the Lex Francorum Chamavorum.