While speaking he had clutched an armful of weapons, and led the way back to the great door, with Wing Wu close at heel. Like Jackson, the young Chinaman was a new man now that he was no longer subject to the baneful influence of the priests.

"Here, take your pick," Mackenzie cried on reaching the others, displaying the weapons. "By good luck the door's thick; it will stand a fair amount of battering. Mister, can't you get yon friend of yours to take a hand?"

He pointed to Chung Tong, who had roused himself to work steadily through the eatables brought by Hamid Gul. Wing Wu spoke to him, urging, imploring him to choose his weapon; but he turned a dull eye, and munched on.

"Give me a lift, Mac," said Jackson. "I'll see what they're doing."

On Mackenzie's shoulders he looked through a window.

"The garden is swarming with them," he said. "They're hoisting one another over the wall. They're armed with all sorts of things--picks, rakes, hammers, swords, knives; some seem to have bars of gold! They're all making for the door."

"Are they avoiding our hole?" Beresford asked anxiously.

"Yes; there are two men standing over it, warning off the others as they run by."

"What did you mean about an explosion, sir?" Mackenzie asked of Beresford.

"There's a pit in the cavern. Out of it come rays like those from the Eye. They decompose water: what you sent down nearly made an end of us. A greater quantity would have shivered the whole place to atoms."