"It's those confounded Main-top men!" cried Jack Vance; "I will pay them
out. I wonder where the fellows got the snow from?"

"Oh, I expect they opened the window and took it off the ledge,"
answered Diggory. "Look here--let's sweep it up into this piece of
paper before it melts."

This having been done, the three friends hastily threw off their clothes
and scrambled into bed, forgetting all about the proposed race in their
eagerness to form some plan for an immediate retaliation on the
occupants of the "Main-top."

"I wonder if they'll hear anything of the ghost again this term?" said
Mugford,

"What ghost?" asked Diggory.

"Oh, it's nothing really," answered Vance; "only somebody said once
that the house is haunted, and Kennedy and Jacobs say the ghost must be
in the big attic next their room. They hear such queer noises sometimes
that they both go under the bed-clothes."

"Do they always do that?"

"Yes, so they say, whenever there is a row."

"Well, then," said Diggory, "I'll tell you what we'll do: we'll go very
quietly up into that attic, and groan and knock on the wall until you
think they've both got their heads well under the clothes, and then