CHAPTER XII.

THE OCEAN AND ITS LIVING WONDERS (_continued_). The Univalves—A Higher Scale of Animal—The 139 Gasteropoda—Limpets—Used for Basins in the Straits of Magellan—Spiral and Turret Shells—The Cowries—The Mitre Shells—The Purpuras—Tyrian Purple—The Whelk—The Marine Trumpet—The Winged‐feet Molluscs—The Cephalopodous Molluscs—The Nautilus—Relic of a Noble Family—The Pearly Nautilus and its Uses—The Cuttle‐fish—Michelet’s Comments—Hugo’s Actual Experiences—Gilliatt and his Combat—A Grand Description—The Devil‐Fish—The Cuttle‐Fish of Science—A Brute with Three Hearts—Actual Examples contrasted with the Kraken—A Monster nearly Captured—Indian Ink and Sepia—The Argonauta—The Paper Nautilus