Introductory sketch.--Greenland.--The Northmen in America.--Columbus.--El Dorado.--Miranda Hurtado.--The tyrant Aguirre.--The buccaneers.--Madame Godin.--Alexander Selkirk.--The Jesuits in Paraguay.--Bolivar.--The dictator Francia.--Toussaint L'Ouverture.--La Salle and Hennepin.--The Pilgrims.--Salem witchcraft.--General Putnam.--Lexington and Bunker hill.--Arnold's march to Quebec.--The Declaration of independence.--Arnold's treason.