cussion knocked them down, and they lay stunned for a moment.
Following the terrible report there was a low, rumbling sound. Hardly knowing whether he was dead or alive, Tom opened his eyes and looked about him. What he saw caused him to cry out in terror.
The whole mountain seemed bathed in fire. Great blue, red and green flashes played around it. Then the towering cliff seemed to melt and crumble up, and the great peak, the top of it containing the diamond makers' cave, from which they had fled but a few minutes before, the entire summit was toppled over into the valley on the other side, and in the direction opposite to that where the adventurers stood.
Then came a profound silence, and the lightning ceased. The storm was over, and only the rattle of stones and boulders, as they came to rest in the valley below, reached the ears of our friends.
"Phantom Mountain has been destroyed, just as I said it would be," spoke Mr. Parker, solemnly. Once more he had prophesied correctly.
For a few minutes the adventurers hardly knew what to say. They arose awkwardly from the ground where the shock had tossed them. Then Tom remarked, as calmly as possible:
