CHAPTER XVI. WALKER'S CAMPAIGN IN NICARAGUA. 1855-1856. Kinney's Expedition—William Walker Joins the Democrats—Failure of his Expedition to Rivas—Cholera Decimates the Legitimists at Managua—Death of Muñoz—Walker's Victories at La Vírgen and Granada—Execution of Minister Mayorga—Walker's Convention with Corral—Provisional Government Organized—President Patricio Rivas—Commander of the Forces, Walker—Minister of War Corral Put to Death for Treason—Recognition by Salvador and Honduras—Seizure of the Transit Company's Steamers—Costa Ricans on the War-path—Havoc of Cholera 327 CHAPTER XVII. END OF FILIBUSTERING IN CENTRAL AMERICA. 1856-1867. Recognition of President Rivas by the United States—Walker's Hostile Attitude—Flight of Rivas—Walker Makes Himself President—Alliance against Him—Death of Estrada—The Legitimists Accept Rivas—Costa Ricans and Nicaraguans in Rivas—Destruction of Granada—It is Occupied by Allied Forces—Walker Reoccupies Rivas—Where He is Besieged—Successes of the Costa Ricans—Failure of Lockridge's Expedition—Surrender of Walker—War of Nicaragua and Costa Rica—Commodore Paulding and Walker's Second Attempt—Walker's Invasion of Honduras, Capture, and Execution—Government Reorganized—President Martinez' Administrations 347 CHAPTER XVIII. POLITICAL EVENTS IN COSTA RICA. 1856-1886. Rewards to Walker's Conquerors—Reëlection of Mora—His Downfall and Exile—His Return, Capture, and Execution—Montealegre's Administration—Violence of Parties—Compromise on Jesus Jimenez—His Peaceful Rule—President José M. Castro—Charges against Him—His Overthrow—Several New Constitutions—Jimenez again President—His Arbitrary Acts—How He was Deposed—President Carranza—Other Temporary Rulers—President Guardia's Despotism—Failure of his Warlike Plans—His Death—Administration of Próspero Fernandez—Preparations to Defend Independence—His Sudden Death—Bernardo Soto's Peaceful Rule 371 CHAPTER XIX. DEMOCRATIC INSTITUTIONS IN SALVADOR. 1865-1885.