1835.] M. Chaptal. 403 



them with dignity. Not a murmur or sigh escaped from 

 his lips, a proof, to the end, of the greatness of his mind. 

 He consoled himself by study, and by fulfilling duties which 

 had been imposed on him, or which he had created for 

 himself. Then feeling his end approaching, he resigned 

 himself like a philosopher prepared for leaving a world 

 where he had but a few days to remain, and died beloved, 

 surrounded by his numerous family, bestowing on them his 

 blessing as his last farewell." He died at Paris 29th July 

 1832, in the 76th year of his age. At his death he was 

 grand officer of the Legion of Honour. He was one of the 

 first founders of the Society of Encouragement, over which 

 he presided for many years. His principal works were 



1. Elemens de Chimie, 3vols.8vo. The first edition ap- 

 peared in 1790, the fourth in 1803. It was translated into 

 most languages. 



2. Essai sur le Perfectionnement des Arts Chemiques en 

 France, 8vo. 1800. 



3. Art de faire, de Gouverner et de Perfectioner les Vins, 

 8vo. first edition 1801, second 1811. 



4. Art du Teinturier et du Degraisseur, 8vo. 1800. 



5. Essai sur le Blanchiment, 8vo. 1801. 



6. Chimie Appliquee aux Arts, 4 vols., 8vo. 1807. 



7. Art du la Teinture du Coton en Rouge, 8vo. 1807. 



8. De l'industrie Francaise, 2 vols., 8vo. 1819. 



9. Memoire sur le Sucre de Betteravas, 8vo. first edition 

 1815, third 1821. 



10. Chimie Appliquee a l'agriculture, 2 vols., 8vo. first 

 edition 1823, second 1829. 



11. Traite sur la Culture de la Vigne, 8vo. 1801. 



Article II. 



Chemical Analysis of Gadolinite, together with an Examination 

 of some of the Salts of Yttria and Cerium. By Thomas 

 Thomson, M.D., F.R.S., L. and E., &c, Regius Professor 

 of Chemistry in the University of Glasgow ; and Andrew 

 Steel, M.D. 



I. ANALYSIS OF GADOLINITE. 



The specimen of gadolinite which furnished materials for 

 the experiments contained in this paper, was purchased 



2d2 



