a river in Britain. In Tacitus (Annal
12.31) we find that Ostorius covered the rivers Sabrina and Antona with encampments. The Geographer of Ravenna has Aufona,
and the Gloucestershire Avon
suits the locality.
This has justified the current notion that such was either the true reading of Tacitus, or else that it would have been more correctly so written by the author.