ISACA
ISACA in Britain, a river mentioned by Ptolemy (
2.3.4) as lying west of the
outlet of the Tamarus (
Tamar).
In the Monumenta Britannica, Isacae ostia are identified with
Weymouth, and also with
Exmouth; most probably the latter, name for name, as well as place for place.
In the Geographer of Ravenna the form. is Isca, which is preferable. [
ISCA]
[
R.G.L]