The Roman Map of Britain Cenio River Kenwyn? Cornwall or Colunia River Colne Essex

Cunia var. Crinia (R&C 270) next

?KeniwnoV Cenionis var. KenniwnoV Cennionis (Ptolemy II 3 3) ?


Ravenna's Cunia could also be a river in the Thames-Alde vicinity. Perhaps related to Ptolemy's island Couonus?  - or Colunia, the Essex Colne?