72. Hist. August. p. 218. [Vopisc. Aurel. c. 28.] Zosimus,
1. i. [c. 55] p. 50. Though the camel is a heavy beast of
burden, the dromedary, which is either of the same or of a
kindred species, is used by the natives of Asia and Africa
on all occasions which require celerity. The Arabs affirm
that he will run over as much ground in one day as their
fleetest horses can perform in eight or ten. See Buffen
Hist. Naturelle, tom. xi. p. 222; and Shaw's Travels. p.
167.