Cornovii (Cornwall) Dumnoniorum (present day Exeter), it is likely that he only listed Roman places, not purely native sites. Of these, there has been speculation that Voliba might be a place in Cornwall and Tamara is assumed to be on the River Tamar, the border between Cornwall and Devon. Ptolemy's list is supplemented by the problematical Ravenna Cosmography, which lists sixteen names before Isca Dumnoniorum (which is listed as "scadum namorum", showing some of the problems of this source) and which have therefore been assumed to be west of Exeter. Several have been identified as most likely in Devon, leaving "purocoronavis" (the
King Street (Roman road) King Street (Roman road) King Street is the name of a modern road on the line of a Roman road. It runs on a straight course in eastern England, between the City of Peterborough and South Kesteven in Lincolnshire. This English name has long been applied to the part which is still in use and which lies between Ailsworth Heath, in the south and Kate's Bridge, in the north. The old road continued to Bourne thence north-westwards to join Ermine Street south of Ancaster. This part of Ermine Street is called High Dike. In the south, King Street joined Ermine