54. The two great rivers unite at Apamea, or Corna (one
hundred miles from the Persian Gulf), into the broad stream
of the Pasitigris, or Shat-ul-Arab. The Euphrates formerly
reached the sea by a separate channel, which was obstructed
and diverted by the citizens of Orchoe, about twenty miles
to the south-east of modern Basra (D'Anville, in the
Memoires de l'Acad. des Inscriptions, tom. xxx.p. 170-191).