Every time he glanced at his uncle the song sprang up, and he laughed so immoderately that it looked like madness come upon him.

"Why, why, why, what are you laughing at, my dear boy," said Hippias, and was provoked by the contagious exercise to a modest "ha! ha!"

"Why, what are you laughing at, uncle?" cried Richard.

"I really don't know," Hippias chuckled.

"Nor I, uncle! Sing, cuckoo!"

They laughed themselves into the pleasantest mood imaginable. Hippias not only came above-ground, he flew about in the very skies, verting like any blithe creature of the season. He remembered old legal jokes, and anecdotes of Circuit; and Richard laughed at them all, but more at him—he was so genial, and childishly fresh, and innocently joyful at his own transformation, while a lurking doubt in the bottom of his eyes, now and then, that it might not last, and that he must go underground again, lent him a look of pathos and humour which tickled his youthful companion irresistibly, and made his heart warm to him.

"I tell you what, uncle," said Richard, "I think travelling's a capital thing."

"The best thing in the world, my dear boy," Hippias returned. "It makes me wish I had given up that Work of mine, and tried it before, instead of chaining myself to a task. We're quite different beings in a minute. I am. Hem! what shall we have for dinner?"

"Leave that to me, uncle. I shall order for you. You know, I intend to make you well. How gloriously we go along! I should like to ride on a railway every day."

Hippias remarked: "They say it rather injures the digestion."