PARTHE´NIUM MARE(Παρθενικὸν πέλαγος, Greg. Naz. Or. xix.), the eastern part of the Mare Internum, between Egypt and Cyprus. (Ammian. 14.8.10: from which writer it also appears that it was sometimes called the Issiac Sea—a, vespera (Aegyptus) Issiaco disjungitur mari, quod quidam nominavere Parthenium,22.15.2.)
[T.H.D]