more, having died out with the deaths of Admiral Porter and Vice-Admiral Rowan."
"But the newspapers speak of Admiral Sampson."
"He is acting rear-admiral, but holds only the office of commodore. He commands a fleet of warships, while a commodore commands only a squadron; that is, four or six, usually, although he may have more at times. His ships are generally divided into two divisions."
"I understand. Please go on."
"Well, as I said before, the captain really commands the ship. Next to him are the commander and the lieutenant-commander. The first of these takes orders from the captain and issues them to those under him. The lieutenant-commander is called the executive officer, and he's always put down as the hardest worked man on the ship. What he does would fill a book, and he rarely gets leave of absence, for nobody can spare him."
"But what does he do?"
"Well, in the first place he sees that the whole crew keeps straight, and he keeps a conduct book for reference. He hears all complaints and straightens out all difficulties. He sees to it that the ship is
