20. When Hilarion sailed from Paraetonium to Cape Pachynus,
he offered to pay his passage with a book of the Gospels.
Posthumian, a Gallic monk who had visited Egypt, found a
merchant-ship bound from Alexandria to Marscilles, and
performed the voyage in thirty days (Sulp. Sever. Dialog. i.
1). Athanasius, who addressed his Life of St. Anthony to the
foreign monks, was obliged to hasten the composition, that
it might be ready for the sailing of the fleets (tom. ii. p.
451 [tom. i. p. 794, ed. Bened. 1698]).