"What does this mean?" interrupted Boyle, staring and pointing at the entrance. "What in the name of wonder does it mean? The door is barred again."
He was staring at the front door by which they had entered but a little while before, and across which stood, once more, the great dark bands of rusty iron which had once, as he had said, locked the stable door too late. There was something darkly and dumbly ironic in those old fastenings closing behind them and imprisoning them as if of their own motion.
"Of those," said Father Brown casually. "I put up those bars myself, just now. Didn't you hear me?"
"No," answered Boyle, staring. "I heard nothing."
"Well, I rather thought you wouldn't," said the other equably. "There's really no reason why anybody upstairs should hear those bars being
