SIGNAL SERVICE 420 Origin of Signal Service—Scientific and useful character—Mode of conducting it—School of Instruction—Grades of officers—Their duties—Number of Stations—Smithsonian Institution—Its Origin, Objects and Value. CHAPTER LV. REPORTS 424 Mode of doing Legislative and Executive business—Reports useful to furnish information—To facilitate business. CHAPTER LVI. IMPEACHMENTS 426 Who may be impeached—House of Representatives the Accuser—_Senate the Court_. THE JUDICIAL DEPARTMENT 427 Importance of this Department in our System—Constitution of the Department. CHAPTER LVII. THE SUPREME COURT 428 The high range of its duties—Its original and appellate Jurisdiction—Its Judges—Their term of office—Officers of the Court—List of Supreme and Associate Justices. CHAPTER LVIII. CIRCUIT COURTS 431 Their powers and uses—Circuits—Judges. CHAPTER LIX. DISTRICT COURTS 434 Their jurisdiction—Appointment of Judges—Number of districts—Places of holding. CHAPTER LX. ADMIRALTY AND MARITIME JURISDICTION 436 Confined to naval affairs—Belongs to District Courts. CHAPTER LXI. COURT OF CLAIMS 437 Where it sits—Object to relieve Congress—Advantages to claimants against government. CHAPTER LXII. DISTRICT ATTORNEYS 439 Business confided to them—Government lawyers. CHAPTER LXIII. UNITED STATES MARSHALS 440 Where they are employed—Connection with census. CHAPTER LXIV. GRAND JURY 441 Admirable features of Grand Jury—Do not pronounce judgment—Security afforded to reputation. CHAPTER LXV. LOCAL GOVERNMENTS 444 General, State, County, and Municipal governments parts of a whole—No conflict—The harmonizing authority in the Supreme Court—How State governments are formed—Their powers—Modeled on the General Government—Various Courts—Subdivisions—Counties—Towns—School districts—Minor divisions indispensable.