E. M. Berens, Myths and Legends of Ancient Greece and Rome
“ A thick cloud descended from heaven and enveloped the chariot, and when it disappeared, Iolaus, in the full plenitude of manly vigour, stood revealed before the astonished gaze of the combatants. He then led on his valiant band of warriors, and soon the enemy was in headlong flight; and Eurystheus, who was taken prisoner, was put to death by the command of king Demophoon. ”
