Report on the Hospitals 157 Report on the Slaughter-Houses 165 Biographies of Cook and of Gresset 167 Assembly of the Notables.--Bailly is named First Deputy of Paris; and soon after Dean or Senior of the Deputies of the Communes 169 Bailly becomes Mayor of Paris.--Scarcity.--Marat declares himself inimical to the Mayor.--Events of the 6th of October 179 A Glance at the Posthumous Memoir of Bailly 193 Examination of Bailly's Administration as Mayor 195 The King's Flight.--Events on the Champ de Mars 206 Bailly quits the Mayoralty the 12th of November, 1791.--The Eschevins.--Examination of the Reproaches that might be addressed to the Mayor 211 Bailly's Journey from Paris to Nantes, and then from Nantes to Melun.--His Arrest in this last Town.--He is transferred to Paris 217 Bailly is called as a Witness in the Trial of the Queen.--His own Trial before the Revolutionary Tribunal.--His Condemnation to Death.--His Execution.--Imaginary Details added by ill-informed Historians to what that odious and frightful Event already presented 225 Portrait of Bailly.--His Wife 250 HERSCHEL. Personal History 258 Chronological Table of the Memoirs of William Herschel 266 Improvements in the Means of Observation 271 Labours in Sidereal Astronomy 285 Labours relative to the Solar System 289 Optical Labours 301 LAPLACE. Preliminary Notice 303 APPENDIX. (A.) Brief Notice of some other interesting Results of the Researches of Laplace which have not been mentioned in the Text 368 (B.) The Mecanique Celeste 372 JOSEPH FOURIER. Preliminary Notice 374 Birth of Fourier.--His Youth 377 Memoir on the Resolution of Numerical Equations 380 Part played by Fourier in our Revolution.--His Entrance into the Corps of Professors of the Normal School and the Polytechnic School.--Expedition to Egypt 384 Fourier Prefect of L'Isere 405 Mathematical Theory of Heat 408 Central Heat of the Terrestrial Globe 419