Note 056
Diarbekir, which is styled Amid, or Kara Amid, in the public writings of the Turks, contains above 16,000 houses, and is the residence of a pasha with three tails. The epithet of Kara is derived from the blackness of the stone which composes the strong and ancient wall of Amida.
Note to Chapter 19 of DECLINE & FALL by Gibbon