Caucasus was the very type of all that was most remote, barbarous, inhospitable. It was a place to which no civilised man could ever bear to go; and the vivid representation of its crags must have struck horror into the minds of the spectators, and prepared them for what was to come.
The hero is led upon the scene. He is of more than human stature, and his mask represents a face of unusual dignity; while the calm resignation with which he walks to the scene of his torture contrasts strongly with the violence of those who are dragging him thither. These are two beings of superhuman strength and savage face, to whom Zeus has intrusted the execution of his decree. Their names are Strength and Force, but though their persons are two their office is the same, and one only speaks for both. With them comes the lame god Vulcan, the god of fire, for it is his office to forge the chains and bolts, and to bind the victim. Though it is his own special prerogative which Prometheus has injured, yet Vulcan is reluctant to bind a brother god, and to consign so noble a being to such a wretched fate. He walks somewhat behind the others, his heavy tramp echoing across the theatre.
When they reach the middle of the stage, Strength begins to urge Vulcan to the execution of his task. "We are come," he says, "to this desert spot of Scythia: bind the crafty trickster fast, as the Father bade thee, in adamantine bonds, that he may learn henceforth to submit to the will of Zeus, and cease from his philanthropy." Vulcan acknowledges the duty, and confesses that he durst not disobey the Fa-
