Still that knowing youngster paid no heed to his elder's advice.

"If snakes climb trees I've never seen them do it," he scoffed.

"Hi, there! Haven't you seen——" Mr. Chippy started to say. But before he could finish his question Master Robin interrupted him rudely.

"Certainly I saw him," he cried. "I

saw him come out of the wall and go in again."

"He'll get you if you don't go away!" Mr. Chippy shrieked.

"Let him try!" Master Robin scoffed. He was sorry that Mr. Chippy did not hear him. But that distracted little person had already hurried off to warn somebody else.

It was no time at all before Rusty Wren's wife gave a piercing scream.

"That fat Robin boy—he'll be caught!" she wailed.

Now, it made Master Robin very angry to be spoken of in such a way as that.