( 9 ) 



(29) Electro-Chemical Researches, on the Decomposition of the Earths; with 

 Observations on the me tali obtained from the alkaline Earths , and on the Amalgam 

 procured from ammonia, read June. p. 30. 1808. in Phil. Trans. V. XCVII. 1808. 



(30) Letter from a correspondent on the late discovery of metals in the fixed 

 alkalies 8t. Aug. 1808, in Journ. of Nat. Phil. V. XXI. p. 68: Letter on the 

 subject of the new metals by Mr. A COMBES to Mr. NICHOLSON , en Second Letter 

 on the subject of the new metals by Mr. A COMBES to Mr. NICHOLSON , p. 231 and 

 p. 365. Aangaande de proeven , met de aardfoorten genomen , en de daaruit 

 bekomene metaalachcige zelfftandigheden, zie men Cefchichte der neu entdeckten 

 Metalli/irung der einfachen Erden nebst Verftichen und Beobachtungen von j. F. WES- 

 TRUMB, Hannover 1791. 



(31) Het andere gevoelen hield potassium en sodium voor hydrures, en is 

 vooral door de beroerade Scheikundigcn GAY-LUSSAC en THENARD verdedigd. 

 Men zie van DAVY the Bakerian Lecture , read Decemb. 15. 1808. An account of 

 some new analytical Researches on the nature of certain bodies , particularly the 

 alkalies , phosphorus , sulphur , carbonaceous matter , and the acids hitherto .wide- 

 compounded; with some general observations on chemical Theory , in Phil. Trans. V. 

 XCV1II. p. 39. 1809. New Analytical Researches on the nature of certain bodies, 

 being an appendix to the Bakerian Lecture for 1808. p. 450. The Bakerian Lec- 

 ture read Novemb. 16. 1809. On some new Electrochemical Researches, on various 

 objects , particularly the metallic Bodies , from the Alkalies and Earths , and on 

 some combinations of Hydrogene , in Phil. Trans. V. XCIX. p, 16. 1810. Disserta- 

 tion sur le dernier Memoire (1808) de M. DAVY par M. M. GAY-LUSSAC et THE- 

 NARD. Ann. de Chem. T. LXXH. p. 265. Memoire en reponse aux recherches ana- 

 lytiques de M. DAW par GAY-LUSSAC et THENARD, T. LXIII. p. 229. Nouvelles 

 Recherches sur le potassium et le sodium par THENARD et GAY-LUSSAC. T. LXXV. 

 p. 90. Observations sur les recherches de M. M. GAY-LUSSAC et THENARD relative- 

 went Pamalgame par DAVY. T. LXXV. p. 256. Examen de quelques observations 

 de M. M. GAY-LUSSAC et THENARD relatifs aux metaux des alcalis par DAVY. T. 

 LXXV. p. 264. Replique a la reponse de M. M. GAY-LUSSAC et THENARD faite 



aux 



