"Ha!" said he, startled, "what's that?"
"What's what, sir?" said Jones.
"I thought I heard some one speaking."
"I didn't hear nothing, sir."
"Did you hear nothing, Ferguson?"
"No, sir."
"I suppose I was deceived, then," said the old man.
"How many bills have you there?" he resumed.
"Seventy-nine, sir."
"That's a very good day's work," said the old man, in a tone of satisfaction. "It's a paying business."