Could the boys have extricated themselves just then, they might have been tempted to turn back in sheer dismay. They were forced from the line which Whero had hitherto pursued with the directness which marks the flight of the crow. The trees were quivering with an earthquake shock. The hill was trembling visibly beneath their feet. Guided by a break in the trees, they made their way to the open. Once more the bank of cloud was visible, drifting slowly to the north; but Whero's eyes were fastened on the distance, where he knew the lofty Tarawera reared its threefold crest.
Had the mighty chieftains of renown arisen from their graves and built a wall of luminous vapour around their sleeping-place? He quailed in abject terror at the sight of the clouds, like ramparts rising into the air for thousands of feet, and veined with wavy lines that glowed and shimmered with the reflection of the flames they held enshrined.
"If the arrows of their lightnings burst forth upon us," shrieked Whero, "how shall such as we escape? Better seek sleep in the cold waters of the river than fall before the torture of their presence in the boiling mud and scorching flame."
Edwin, too, was staggered by the strangeness of the sight. It was the sense of unprecedented peril, the presence of dangers which no man could fathom, which overwhelmed him. But he had enough clear-sighted common sense to perceive the first thing to be guarded against was the frantic terror of the wilful boy who was guiding him; for Whero, in his excitement, was urging Beauty to a breakneck speed. But a change awaited them in the open glade, for there the sun and wind had dried the surface of the mud, and the clouds of dust settling down upon it had formed a hard crust.
Edwin breathed more freely as Whero grew calmer. The horse seemed to step along with ease at first; but his weight was too great. The crust gave way beneath him, and they were soon all floundering in a quagmire. Edwin was flung backwards on a portion of the broken crust, which, like a floating island, was drifting him across the fissure. Whero clung round the horse's neck, clutching wildly at his mane. Beauty, with the intelligence of a fording-horse, pawed through the mud in quest of a firmer foothold, and found it on the trunk of a buried tree.
On this vantage-ground, being lightened of half his load, he was preparing for a spring. At the first movement Whero went over his head, and Beauty, finding himself his own master, changed his mind. Under any other circumstances it would have been fun to Edwin to see him feeling his way along his unseen bridge until he reached the roots of the tree, which, with the many tons of earth clinging in them, rose at least ten feet into the air, a solitary hillock around which the mud was consolidating. Here he took his stand. The boys could see him scraping away the earth and nibbling at the young green shoots of budding fern already forcing their way to the upper air.
Edwin tried to propel his floating island towards the point where Whero was standing, like a heron, on one leg, trying to scrape the mud from the other. He edged about this way and that, until at last the boys were near enough to clasp hands. When he felt the sinewy gripe of his dusky friend, Edwin took the meditated leap, and broke into the mud by Whero's side. He went down upon his hands and knees; but Whero grasped the collar of his jacket, and kept him from sinking. The crust in this place was nearly a foot thick, and when Edwin regained his equilibrium the two stepped lightly over it, walking like cats, holding each other's hands, and balancing themselves as if they were treading on ice, until they reached a precipitous crag, on which it was impossible for the mud to rest. Whero began to climb the steep ascent, reaching down a hand to drag up Edwin after him. They gained a ledge several feet above the lower ground, and here they paused to recover themselves and look around for Beauty. It was a pain, a grief to both the boys to abandon him to his fate. But they dared not shout his name or attract his attention, for fear he should attempt to cross the treacherous waste which lay between them.
To dash the tears from their eyes, to speak as if they "would not care" when their hearts felt bursting, was useless; and yet they did it—risking their own necks in a mad desire to rush off where they could no longer see him, and then returning for a last despairing glance, until Whero had to own he had lost his way.
Another vast column of steam hung in mid air, and when it lifted they could distinguish the gangs of men hard at work, marking the site of more than one annihilated village. They watched them from afar digging away the mud in hopes of finding some of the inhabitants alive beneath it. A mill-sail turning in the wind just showed itself above the blue-gray mass, and warned them that the depth of the deposit was increasing steadily as they drew nearer and nearer to the sacred mountains. That moving sail told Whero where he was. With one hand shading his eyes he scanned the country round.
"The pakeha seeks out the pakeha, but no man turns to the Maori pah!" he exclaimed, stretching his arms towards the wide waste of hateful blue, and pointing to the foul remains of the crystal lake—the lake by which he had been born. But where was the ancient whare? where was his home?