I had been working double tides for a month: at night on my morning paper, as usual; and in the morning on an evening paper as locum tenens for another man who was taking a holiday. This was an exhausting plan of work, although it only actually involved some six hours' attendance a day, or less, at the two offices. I turned up at the headquarters of my own paper at ten in the evening, and by the time I had seen the editor, selected a subject, written...