System of terror--The convent of St. Monica taken--Spaniards attempt to retake it, but fail--St. Augustin taken--French change their mode of attack--Spaniards change their mode of defence--Terrible nature of the contest--Convent of Jesus taken on the side of the suburb--Attack on the suburb repulsed--Convent of Francisco taken--Mine exploded under the university fails, and the besieged are repulsed--The Cosso passed--Fresh mines worked under the university, and in six other places--French soldiers dispirited--Lasnes encourages them--The houses leading down to the quay carried by storm--An enormous mine under the university being sprung, that building is carried by assault--The suburb is taken--Baron Versage killed, and two thousand Spaniards surrender--Successful attack on the right bank of the Ebro--Palafox demands terms, which are refused--Fire resumed--Miserable condition of the city--Terrible pestilence, and horrible sufferings of the besieged--Zaragoza surrenders--Observations 38 CHAPTER IV. Operations in Catalonia--St. Cyr commands the seventh corps--Passes the frontier--State of Catalonia--Palacios fixes his head-quarters at Villa Franca--Duhesme forces the line of the Llobregat--Returns to Barcelona--English army from Sicily designed to act in Catalonia--Prevented by Murat--Duhesme forages El Vallés--Action of San Culgat--General Vives supersedes Palacios--Spanish army augments--Blockade of Barcelona--Siege of Rosas--Folly and negligence of the junta--Entrenchments in the town carried by the besiegers--Marquis of Lazan, with six thousand men, reaches Gerona--Lord Cochrane enters the Trinity--Repulses several assaults--Citadel surrenders 5th December--St. Cyr marches on Barcelona--Crosses the Ter--Deceives Lazan--Turns Hostalrich--Defeats Milans at San Celoni--Battle of Cardadeu--Caldagues retires behind the Llobregat--Negligence of Duhesme--Battle of Molino del Rey 54 CHAPTER V.