A man overboard--Crossing the line--Duty of officers--Rival Neptunes--A boy overboard--Affecting incident--A true-hearted sailor--Bathing at sea--A well-timed action--Swimming--A necessary acquisition--A man overboard--What should be done, and how to do it--Effects of precipitancy--Life-buoy--Regulations for emergencies--Managing the ship with a man overboard--Stationing the crew--Directing the boats.