Silence fell as Dorothy cautiously put her head out of the door. “No one in sight,” she whispered. “Now is your time.”

Quietly the girls gathered themselves up. Tavia took the end of the bed where the “leak” was. Out in the hall they paused.

“The old feather be—ed!

The de—ar feather be—ed!

The rust-covered be—ed that hung in the hall!”

It was Tavia who sang. Then with one jerk she pushed the bed over the banister!

“Oh!” gasped Edna and Cologne, simultaneously.

“Mercy!” came a cry from below. “Whatever is——”

They heard no more. Inside the room again the girls scampered.

“Right on the very head of Miss Mingle!” whispered Edna, horror-stricken. “Now we are in for it!”