self, "Oh!" Then he said bravely, "Yes," and then, still more bravely, "Quite so." But he didn't feel very brave, for the word which was really jiggeting about in his brain was "Heffalumps."

What was a Heffalump like?

Was it Fierce?

Did it come when you whistled? And how did it come?

Was it Fond of Pigs at all?

If it was Fond of Pigs, did it make any difference what sort of Pig?

Supposing it was Fierce with Pigs, would it make any difference if the Pig had a grandfather called TRESPASSERS WILLIAM?