“ ‘My God!’ he cried, ‘where did you find it? How?’ I explained in as few words as I could, and as drily as possible, how I had seen it and picked it up; how I had run after him, and called out to him, and how I had followed him upstairs and groped my way to his door.

“ ‘Gracious Heaven!’ he cried, ‘all our papers are in it! My dear sir, you little know what you have done for us. I should have been lost⁠—lost!’

“I had taken hold of the door-handle meanwhile, intending to leave the room without reply; but I was panting with my run upstairs, and my exhaustion came to a climax in a violent fit of coughing, so bad that I could hardly stand.