CHAPTER 51. The Spirit-Spout. Days, weeks passed, and under easy sail, the ivory Pequod had slowly swept across four several cruising-grounds; that off the Azores; off the Cape de Verdes; on the Plate (so called), being off the mouth of the Rio de la Plata; and the Carrol Ground, an unstaked, watery locality, southerly from St. Helena. It was while gliding through these latter waters that one serene and moonlight night, when all the waves rolled by like scrolls of silver; and, by their soft, suffusing seethings, made what seemed a silvery silence, not a solitude; on such a silent