rocks, could we but find it, in which the deserting Nymphs have left a shelter.’  While thus saying he moved from the trees, and, looking wistfully towards the mountain, discovered through the advancing gloom a red and tremulous light at no considerable distance.  ‘That must come,’ said he, ’from the hearth of some shepherd or vine-dresser—­it will guide us to some hospitable retreat.  Wilt thou stay here, while I—­yet no—­that would be to leave thee to danger.’

‘I will go with you cheerfully,’ said Ione.  ’Open as the space seems, it is better than the treacherous shelter of these boughs.’

Half leading, half carrying Ione, Glaucus, accompanied by the trembling female slave, advanced towards the light, which yet burned red and steadfastly.  At length the space was no longer open; wild vines entangled their steps, and hid from them, save by imperfect intervals, the guiding beam.  But faster and fiercer came the rain, and the lightning assumed its most deadly and blasting form; they were still therefore, impelled onward, hoping, at last, if the light eluded them, to arrive at some cottage or some friendly cavern.  The vines grew more and more intricate—­the light was entirely snatched from them; but a narrow path, which they trod with labor and pain, guided only by the constant and long-lingering flashes of the storm, continued to lead them towards its direction.  The rain ceased suddenly; precipitous and rough crags of scorched lava frowned before them, rendered more fearful by the lightning that illumined the dark and dangerous soil.  Sometimes the blaze lingered over the iron-grey heaps of scoria, covered in part with ancient mosses or stunted trees, as if seeking in vain for some gentler product of earth, more worthy of its ire; and sometimes leaving the whole of that part of the scene in darkness, the lightning, broad and sheeted, hung redly over the ocean, tossing far below, until its waves seemed glowing into fire; and so intense was the blaze, that it brought vividly into view even the sharp outline of the more distant windings of the bay, from the eternal Misenum, with its lofty brow, to the beautiful Sorrentum and the giant hills behind.

Our lovers stopped in perplexity and doubt, when suddenly, as the darkness that gloomed between the fierce flashes of lightning once more wrapped them round, they saw near, but high, before them, the mysterious light.  Another blaze, in which heaven and earth were reddened, made visible to them the whole expanse; no house was near, but just where they had beheld the light, they thought they saw in the recess of the cavern the outline of a human form.  The darkness once more returned; the light, no longer paled beneath the fires of heaven, burned forth again:  they resolved to ascend towards it; they had to wind their way among vast fragments of stone, here and there overhung with wild bushes; but they gained nearer and nearer to the light, and at length they stood opposite the mouth of a kind of cavern, apparently formed by huge splinters of rock that had fallen transversely athwart each other:  and, looking into the gloom, each drew back involuntarily with a superstitious fear and chill.