Origin of the War between Montevideo and Buenos Ayres—Character and Conduct of Rosas, Ouribes—The Centralists, called Unitarians, Opposed to the Republicans, 109 CHAPTER XVII. Condition of the Italians at Montevideo, and elsewhere—My Wishes and Designs for their Benefit—In Command of the "Constitucion"—At Martin Garcia—A Battle with the Enemy—Providential Results—Proceed to Bajada—At Cerito—Another Fight—Cavallo-Quattia—Low Water—Join the Republican Flotilla—Labors and Difficulties, 114 CHAPTER XVIII. The Enemy Appear under General Brown—We Fight—Labors and Fatigue by Night—Desertion—Preparations to Renew the Battle—Another Fight—Vessels Burned—Landing in Small Boats—Land Travel—Treatment by the Inhabitants—Traverse the Province of Corrientes—Reach San Francisco—Notice of the Battle of Arroyo Grande, Dec. 6, 1842—Sent by Gen. Aguyar to Versilles with the Vessels—Strange Presentiment—Catching Horses—Bad News, 122 CHAPTER XIX. Public Dismay—Enthusiasm of the People Rising—I Return to Montevideo—Ourives Coming to Besiege it—Preparations for Defence—General Paz—I am Ordered to Collect a Flotilla—A Fortunate Accident, 134 CHAPTER XX. The Enemy reach Montevideo—Gen. Rivera's Movement on their Left Flank—Gen. Paz Commands in the City—Services by the French and Italian Corps—Treachery—Mismanagement—Gen. Pacheco Corrects it—Attack on the Besiegers—Italian Legion Distinguished—Anzani—Services of the Flotilla—A Providential Event—Commodore Purvis—British Intervention—Negotiation, 139 CHAPTER XXI. Exploits of the Italian Legion during the Siege—Tres Cruces—The Pass of Bojada—The Quadrado—General Rivera Defeated at India Muerta, but without Discouraging Efforts, Intervention Continued—An Expedition in the Uruguay, the Flotilla being under my Command, 148 CHAPTER XXII. The Expedition Proceeds for the Uruguay—Colonia Taken by It—Burned—Page, a Suspicious Frenchman—Martin Garcia Taken, 154 CHAPTER XXIII. First Meeting with a "Martrero"—Description of his Habits and Character—Another Martrero, Juan de la Cruz—The Rio Negro—Joseph Mundell—The severity of the Enemy Drive the Martrero and People to us, 157 CHAPTER XXIV. The Expedition Proceeds—Surprise Gualeguayechu—Reach the Hervidero—Accompanied by an English and a French Officer—A large Estancia, and its numerous Horses and other Animals—I leave the Vessels in Charge of Anzani—Go with the Martreros—La Cruz and Mundell—Attack on the Hervidero—Battle of Arroyo Grande, 163 CHAPTER XXV. The Province of Corrientes calls General Paz from Montevideo—Alliance with Paraguay—I go to Salto with the Flotilla, to relieve it from a Siege—With La Cruz and Mundell attack Lavalleja—Return to Salto, 171 CHAPTER XXVI. Urquiza Besieges us in Salto with all his Forces—Our Defences Incomplete—A sudden Attack—Repulsed Sorties—Bold Operation on the opposite Bank of the River—Surprising Feats of the Horsemen—Their Habits, 178 CHAPTER XXVII.