“You’d hardly forget it. You know—

‘Fifteen men on a dead man’s chest
Yo-ho-ho and a bottle of rum.’”

Old Adelbert rather doubted the possibility of fifteen men on one dead man’s chest, but he nodded gravely. “A spirited song,” he observed.

Bobby edged closer to the window. “I’ve got the cave already.”

“So!”

“Here, in the Park. It is a great secret. I’d like to show it to you. Only it’s rather hard to get to. I don’t know whether you’d care to crawl through the bushes to it.”

“A cave—here in the Park?”

“I’ll take you, if you’d like to see it.”

Old Adelbert was puzzled. The Park offered, so far as he knew, no place for a cave. It was a plain, the site of the old wall; and now planted in grass and flowers. He himself had seen it graded and sown. A cave!

“Where?”