was trying to think it out. "I believe they are the cause of the phantom, though I don't know that it's a man dressed in a sheet."
"Why isn't it?" demanded Mr. Jenks.
"Because it was too tall for a man, unless he's a giant."
"He may have been on stilts," suggested Mr. Parker.
"No man on stilts could walk along that way," declared Tom, confidently. "He glided along too easily. I am inclined to think it may be some sort of a light."
"A light?" queried Mr. Damon.
"Yes, the diamond makers may be hidden in some small cave near here, and they may have some sort of a magic lantern or a similar arrangement, for throwing a shadow picture. They could arrange it to move as they liked, and could cause it to disappear at will. That, I think, is the ghost we have just seen."
"But the diamond makers have only been in this mountain recently," objected Mr. Jenks, and the phantom was here before them. In fact, that was what gave the place its name."
"That may be," admitted the lad. "There are many places that have the name of being haunted, but no one ever sees the ghost. It is always some one else, who has heard of some
