"Off there to the right—somewhere—is a large island," said Whitney. "It's rather a mystery—" "What island is it?" Rainsford asked. "The old charts call it `Ship-Trap Island,'" Whitney replied. "A suggestive name, isn't it? Sailors have a curious dread of the place. I don't know why. Some superstition—" "Can't see it," remarked Rainsford, trying to peer through the dank tropical night that was palpable as it pressed its thick warm blackness in upon the yacht. "You've good eyes," said Whitney, with a laugh, "and I've seen you pick off a moose moving in the brown fall bush at four hundred yards, but even you can't see four miles or so through a moonless Caribbean night." "Nor four yards," admitted Rainsford. "Ugh! It's like moist black velvet." "It will be light enough in Rio," promised…