Page:Rover Boys on Treasure Isle.djvu/246

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230
ROVER BOYS ON TREASURE ISLE

"I believe an earthquake must have done it," came from Anderson Rover, and suddenly his face grew grave. "I trust no earthquake has disturbed the treasure cave," he added.

They pushed on, but scarcely had they covered a quarter of a mile when Bahama Bill called another halt. And well he might, for the trail they had been following came to an abrupt end in front of a pit several rods in diameter and twenty to thirty feet deep. The bottom of the pit was choked up with rocks, dead trees and brushwood.

"What now?" asked Mr. Rover, and his tone betrayed his uneasiness.

"This wasn't here afore," said the old tar, briefly. He was so "stumped" he could scarcely speak.

"You are sure?"

"Dead certain."

"Then this isle has undoubtedly been visited by an earthquake within the last few years."

"Thet's it, Mr. Rover."

"Maybe the trail can be picked up on the other side of the hole," came from Fred. "Let us walk around."

He and some of the others started to do so, but soon came to a place where walking became uncertain and dangerous. Songbird went into