its long, white arms, and waved them threateningly at the adventurers.
"It's motioning us to go back," said Mr, Parker in an awed whisper. "It doesn't want us to go any farther."
"Very likely," agreed Tom, coolly. "But we're not going to be frightened by anything like that; are we?"
"Not much!" exclaimed Mr. Jenks. "I expected this. A ghost can't drive me back from getting my rights from those scoundrels!"
"Suppose it uses a revolver to back up its demand?" asked the scientist.
"Wait until it does," answered Mr. Jenks. But the figure in white evidently had no such intentions. It came on a little distance farther, still waving the long arms threateningly, and then it suddenly disappeared, seeming to dissolve in the misty shadows of the night.
"Bless my suspenders!" cried Mr. Damon. "That's a very strange proceeding! Very strange! What do you make of it, Tom?"
"It is evidently some man dressed up in a sheet," declared Mr. Jenks. "I expected as much."
"The work of those diamond makers; do you think?" continued Mr. Damon.
"I believe so," answered Tom, slowly, for he
