24« Accounts df Bcoks, i^c. 



Refearches, Chemical and Philofophicaly chiefly concerning Nitron: Otcide, or Dephlaglfllcated 

 Nitrous Air, and its Refpiration. By Humphry Davy, Snperiniendant of the Medical 

 Pneumatic Infitution^ 580 Pages 03aV9. London, printed for J. Johnfon, and Biggs 

 and Cottle, Briftol. 



The DoBrine of Phlogiflon ejlablijlied, and that of the Compoftion of Wafer refuted. By Jofeph 

 Priejlley, LL.D. F.R.S. i^c, b*f. 90 Pages OBavo. Northumberland, in America, 

 printed for the Author, by A. Kennedy, i8oo. 



IranfaBions of the Royal Society of Edinburgh. Vol. V. Part I. for 1799. 116 



Pages, Quarto, 



This worTc contains, 1. Inveftigation of certain Theorems relating to the Figure of the 

 Earth. By Mr. Playfair. 2. Account of certain Phenomena obferved in the Air Vault 

 of the Furnaces of the Devon Iron Works : together with fome praftical Remarks on the 

 Management of Blafl: Furnaces. By Mr. Roebuck (Philof. Jour. IV. no.) 3. Experi- 

 ments on Whinftone and Lava. By Sir James Hall, Bart. (Ph. Jour. IV. 56.) 4. A Che- 

 mical Analyfis of three Species of Whinftone, and two of Lava. By Dr. Robert Kennedy. 

 5^ A new Method of rcfolving Cubic Equations. By James Ivory, Efq. 



