Strangways went back alone after dinner and Bond agreed that they would follow at first light. Strangways left him a fresh pile of books and pamphlets on shark and barracuda and Bond went through them with rapt attention. They added little to the practical lore he had picked up from Quarrel. They were all by scientists and much of the data on attacks was from the beaches of the Pacific where a flashing body in the thick surf would excite any inquisitive fish. But there seemed to be general agreement that the danger to underwater swimmers with breathing equipment was far less than to surface swimmers. They might be attacked by almost any of the shark family, particularly when the shark was stimulated and excited by blood in the water, by the smell of a swimmer or by the sensory vibration

