Note 087
They are called Onagri; but the number is too
inconsiderable for mere wild asses. Cuper (de Elephantis
Exercitat. ii. 7) has proved from Oppian, Dion, and an
anonymous Greek, that zebras had been seen at Rome. They
were brought from some island of the ocean, perhaps
Madagascar.
Note to Chapter 12 of DECLINE & FALL by Gibbon