In all ages and with all sea-going races there has always been something especially fascinating about an island amid the ocean. Its very existence has for all explorers an air of magic. An island offers to us heights rising from depths; it exhibits that which is most fixed beside that which is most changeable, the fertile beside the barren, and safety after danger. The ocean forever tends to encroach on the island, the island upon the ocean. They exist side by side, friends yet enemies. The island signifies safety in calm, and yet danger in storm; in a tempest the sailor rejoices that he is...