Isca Dumnoniorum settlement there (modern Caerleon) to be distinguished as "Isca Augusta", while the Devonian Isca was called "Isca Dumnoniorum": Usk of the Dumnonians. Exeter began as settlements on a dry ridge ending in a spur overlooking a navigable river teeming with fish, with fertile land nearby. Although there have been no major prehistoric finds, these advantages suggest the site was occupied early. Coins had been discovered from the Hellenistic kingdoms, suggesting the existence of a settlement trading with the Mediterranean as early as . This is disputed however by Prof T P Wiseman who alleges the hoard was not genuine. Following
Outcast (Sutcliff novel) several cultures in which he feels himself to be an outcast. The story is about a boy named Beric, who is raised amongst the Dumnonii. After coming of age, his status within their culture comes under pressure, shown in a conflict between the acceptance of the village Bard and the condemnation on religious grounds by the village Druid. After a bad harvest is linked to his presence, the superstitious views of the Druid win-out, and Beric is exiled from the tribe. He journeys to Isca Dumnoniorum, where he falls afoul of a Greek slave trader, who tricks Beric and takes