as his eyes took in what was left of the phantom berg. "I guess it will take a few more bolts like that one, to put this hill out of business."
Though the landslide had been a great one, the larger part of the mountain still stood. An immense slice had been taken from one side, but the summit was untouched.
"And there's where the diamond cave is!" cried Tom, pointing to it.
"I think so myself," agreed Mr. Jenks, who came from the tent at that moment, and joined the lad and Mr. Damon. "I think we shall find the cave somewhere up there. We must start for it, as soon as we have eaten, and we may reach it by night."
The three stood gazing up toward the summit of the great mountain. Suddenly, as the sun rose higher in the heavens, it sent a shaft of rosy light on the face of the berg that had been scarred by the landslide. Tom Swift uttered an exclamation, and pointed at something.
"See!" he cried. "Look where the trail is—the trail down which the phantom must have come. It is on the edge of a cliff now!"
They looked, and saw that this was so. The increasing light had just revealed it to them. When the lightning bolt had torn away a great portion of the mountain it had cut sheer down