“Suddenly the Professor started as if he had been electrified. "Why, I had nearly forgotten the most important part of the entertainment! The Other Professor is to recite a Tale of a Pig I mean a Pig-Tale," he corrected himself. "It has Introductory Verses at the beginning, and at the end."It can’t have Introductory Verses at the end, can it?" said Sylvie.Wait till you hear it," said the Professor: "then you will see. I’m not sure it hasn’t some in the middle, as well.”