How many other marvelous new specimens I still could have observed if, little by little, the Nautilus hadn't settled to the lower strata! Its slanting fins drew it to depths of 2,000 and 3,500 meters. There animal life was represented by nothing more than sea lilies, starfish, delightful crinoids with bell-shaped heads like little chalices on straight stems, top-shell snails, blood-red tooth shells, and fissurella snails, a large species of coastal mollusk.
By April 20 we had risen to an average level of 1,500 meters. The nearest land was the island group of the Bahamas, scattered like a batch of cobblestones over the surface of the water. There high underwater cliffs reared up, straight walls made of craggy chunks arranged like big stone foundations, among which there gaped black caves s
