It lay in the marshes at the mouth of the most easterly (Pelusiac) branch of the Nile, which has long since been silted up, and was the key of the land towards Syria and a strong fortress, which, from the Persian invasion at least, played a great part in all wars between Egypt and the East.
Psammetichus guarded the frontiers of Egypt with three strong garrisons, placing the lonian and Carian mercenaries especially at the Pelusiac Daphnae in the N.E., from which q~1arter the most formidable enemy was likely to appear.
It receives the Waters of the canalized channels which were once the Tanitic, Mendesian and Pelusiac branches.
That part of the lake east of where the canal was excavated is now marshy plain and the Tanitic and Pelusiac mouths of the Nile are dry.
Farther east are other canals, of which the most remarkable occupy in part the beds of the Tanitic and Pelusiac branches.