"What kind of a ghost?" asked Dad.
"Just a ghost-ghost. It was all white and shiny and—-br-r-r-r!" shivered the boy. "It grinning. I could see right through it!"
"You must be an X-ray machine," declared Tad, chuckling.
"It didn't need anything of that sort. He was so shimmery that you could see right through him."
"What became of the spook? Did he fly up?" asked the guide.
"No, the spook just spooked," replied Stacy.
"How do you mean?" questioned Professor Zepplin.
"He thawed out like a snowball, just melted away when I yelled."
"Very thrilling, very thrilling. Most remarkable. A matter for scientific investigation," muttered the Professor, but whether he were in earnest or not the boys could not gather from his expressionless countenance.
"What did Chunky have for supper?" asked Walter.