Billy shook his head.

“Shout, I tell you. We don’t want to stop here all night.”

“No, Mr Mark, sir; don’t, please don’t. It’s like showing ’em exactly where we are.”

“Well, that’s what we want to do.”

“No, sir, I don’t mean them. I mean them.”

“What! the birds?”

“Them warn’t birds, Mr Mark, sir,” said Billy in a solemn whisper. “Don’t you believe it.”

“What were they, then?”

“Things as lives in woods, and never shows theirselves till people lies down and dies, and then they eats ’em.”

“What do you mean? Vultures?”