Midnight
With head on fire , I retraced my way to the gallery , and without having found anything more than I had seen on the previous night , the right hold I had taken of my reason drew me to something so important that I was obliged to cling to it to save myself from falling . `` Now for the strength and patience to find sensible traces to fit in with my thinking -- and these must come within the circle I have drawn between the two bumps on my forehead ! -- 30th of October . Midnight . '' `` JOSEPH ROULETABILLE . '' CHAPTER XIX . Rouletabille Invites Me to Breakfast at the Donjon Inn It was not until later that Rouletabille sent me the note-book in which he had written at length the story of the phenomenon of the inexplicable gallery .