Glasgow Citizen.
THE CHALLENGE.
"Arthur," I said, "you are not handsome, but you have sterling qualities and know a thing or two."
"You are not exactly a mezzotint yourself," Arthur retorted, "and I'm not sure that you have any particular qualities yet. What does this lead up to?"
"This," I said. "Suppose you are a sentry, outside barracks or an encampment of some kind."
"I'm supposing," he said.
"And suppose," I went on, "you don't know me."
"I've supposed worse things than that," said Arthur with decision.
"And try further," I said, "to imagine that it's a dark night, and I come along and don't notice you. You'd say, 'Halt, who goes there?' wouldn't you?"