18 IS.] M. Lavoisier. 89 



1781. He shows the formation of carbonic acid gas, and the 

 diminution of the oxygen of the air. 



26. Memoir 011 the Vilriolizationcf Martial Pyrites. Mem. 

 Par. 1777. Published, I believe, 'in 17-81. He shows that 

 during the process the oxygen of the air is absorbed. 



27. On the Combination of the Matter of Fire ivith evaporalle 

 Fluids, and on the Formation of the elastic aeriform Fluids. 

 Mem. Par. 1777- In this paper he lays down the doctrine that 

 heat combines with bodies, and changes them into elastic fluids ; 

 a doctrine obviously founded on Dr. Black's theory of latent 

 heat, though Dr. Black's name never occurs in the paper. 



28. Experiments made by Order of the Academy on the Cold of 

 the Year 17/6 ; by MM. Bezout, Lavoisier, and Vandermonde. 

 Mem. Par. 1777. 



29. Memoir on Combustion in general. Mem. Par. 1777- In 

 this essay, published in 1781, he gives us the first distinct 

 account of his theory of combustion, and combats the Stahlian 

 doctrine of phlogiston. 



30. Analysis of the. Water of the Dead Sea ; by MM. Mac- 

 quer, Lavoisier, and Sage. Mem. Par. 1778. Published, I 

 believe, in 1782. The result of this analysis will be found in 

 the first number of the Annals of Philosophy. 



81. Experiments on a While Steatite, converted by Fire into 

 an excellent Biscuit of Porcelain ; by MM. Guettard and La- 

 voisier. Mem. Par. 1 77 s - 



32. Description of two CoaUMines situated at the Foot of the 

 Mountains of Voyes, the one in Franche Comte, the other in 

 Alsace, with some Experiments on the Coal which they yield ; 

 by MM. Guettard and Lavoisier. Mem. Par. 1778. 



33. General Considerations on the Nature of* Acids, and on the 

 Principles of which they are composed. Mem. Par. 1778. In 

 this paper he lays down his doctrine, that all acids contain 

 oxygen, and that oxygen is the acidifying principle. 



3 i . Report made to the Academy on the Cold which may be 

 extracted from the Ashes of Vegetables; by MM. Macquer, 

 Cadet, Lavoisier, Batumi, Bouquet, and Cor net te. Mem. Par. 

 17/8. This report was read to the Academy on the 21st of 

 August, 1779- It refuted the opinion advanced by Sage, and 

 some other chemists, that the ashes of vegetables yielded a con- 

 siderable quantity of gold. 



35. Memoir on some Fluids which may be obtained in the 

 aeriform Siatr at a Temperature little superior to the mean Tern- 

 peratureof the Earth. Mem. Par. 17.SO. Published in 1784. 

 These fluids are ether, alcohol, and water. The experiments are 

 not satisfactory. 



36. Si < ond Memoir on the differ/ nt Com! iuations of Phos- 

 phoric /hid. Mem. Pur. 1760. ' Published in 17«1. 



