"The ghost!" whispered Roger, all eager for some new excitement.

[Illustration: "SHE CALLED LIGHTLY TO SOME ONE ON THE ROADWAY."--_Page_
108.]

"Sure as you live!" answered Nat. "That's not human--it's too flimsy
and--flighty."

It did seem that the person flitted about in a strange sort of way, first
calling, then whistling.

But there was some one waiting.

"There's a carriage," said Joe, crawling under a bush to get a better view
of the other path.

The boys held their breath. What if this might be the owner of the park,
who would object to their taking the evergreens?

It was well the automobile had been left in a secluded spot. Perhaps the
woman would go off without discovering them.

A light carriage entered the driveway. The woman stopped to give some
directions. The driver seemed to hesitate. She was urging him to go toward
the castle, and he evidently wanted to go out on the main road.

"That driver's old Abe," declared Roger, "the fellow from the station."

"It sure is," answered Ned; "but don't speak so loud."