Letter from Antoine Laurent Lavoisier, Paris to Joseph Black, dated 19 November 1790. The letter is about Lavoisier wanting to publish Black's reply in Annales de Chimie. He also mentions Hugo Gillan (M. D. Edin., 1786) and his own experiments on respiration. The Lavoisier letters are printed in Report to the British Association, 1872 pp. 189-92.