... knew the Div in this disguise, and awakened his master twice, at which Rustem was angry, and tried to kill the horse for disturbing him. Reksh, however, awakened him the third time, and then Rustem saw the Div, and slew him after a fearful combat. The other story is this. There came a wild ass of enormous size, with a skin like the sun, and a black stripe along his back, and this creature got amongst the king's horses and killed them. Now the wild ass was no other than a very powerful Div, named Akvan, who haunted a particular fountain or spring. So Rustem, mounted ... — Fairy Tales; Their Origin and Meaning • John Thackray Bunce