During those nineteen days just mentioned, no unique incidents distinguished our voyage. I saw little of the captain. He was at work. In the library I often found books he had left open, especially books on natural history. He had thumbed through my work on the great ocean depths, and the margins were covered with his notes, which sometimes contradicted my theories and formulations. But the captain remained content with this method of refining my work, and he rarely discussed it with me. Sometimes I heard melancholy sounds reverberating from the organ, which he played very expressively, but only at night in the midst of the most secretive darkness, while the Nautilus slumbered in the wilderness of the ocean. During this part of our voyage, we navigated on the surface of the waves for enti