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.