 In the daytime her rivers roll out a fiery flood of smoke, while in the darkness of night the crimson flame hurls rocks down to the deep plain of the sea with a crashing roar.That monster shoots up the most terrible jets of fire; it is a marvellous wonder to see, and a marvel even to hear about when men are present.Such a creature is bound beneath the dark and leafy heights of Aetna and beneath the plain, and his bed scratches and goads the whole length of his back stretched out against it.