Seizing Tamera's hand he ran fleetly into the nearest tunnel and I followed. A glance back into the chamber before a turn in the corridor blotted it from view showed a revolting horde streaming out of the shaft. The tunnel slanted steeply upward, and suddenly ahead of us we saw a bar of gray light. But the next instant our cries of hope changed to curses of bitter disappointment. There was daylight, aye, drifting in through a cleft in the vaulted roof, but far, far above our reach. Behind us the pack gave tongue exultingly. And I halted.