Introduces [Etienne] Delessert, a young gentleman of Paris who is to spend time in London; he has been resident in Edinburgh for last 5 years. Asks if [William] Thomson [(c 1760-1806), mineralogist and physician] is still in Italy. Comments on "demi-maniac" Sir George Staunton and "cabbage leaf of a fellow", Broussonet. Sorry to have missed [James] Dickson when he passed through Glasgow on his Scottish tour. Dr Stuart, of Luss, now married.