As soon as all those who had run had reached places of safety, they peeped out to see what had frightened them so. Just imagine how very, very foolish they felt when they saw Old Mother Nature smiling down at a little fellow just about the size of little Whitefoot, but with a much longer tail. It was Nimbleheels the Jumping Mouse.

"Well, well, well," exclaimed Old Mother Nature. "I was just speaking of you and wishing I had you here. How did you happen to come? And what do you mean by scaring my pupils half out of their wits?" Her eyes twinkled. Nimbleheels saw this and knew that she was only pretending to be severe.

Before he could reply Johnny Chuck began to chuckle. The chuckle became a laugh, and presently Johnny was laughing so hard he had to hold his sides. Now, as you know, laughter is catching. In a minute or so everybody was laughing, and no one but Johnny Chuck knew what the joke was. At last Peter Rabbit stopped laughing long enough to ask Johnny what he was laughing at.