Priestley, Cavendish, and Lavoisier

THE Revue Scientifique of the 25th ult. contains a translation of the address which I had the honour of delivering to the members of the Chemical Section of the British Association at the recent meeting in Leeds, to which, on the invitation of the editor, M. Charles Richet, M. Berthelot prefixes a letter, of which the following is a translation:—