I N D E X. 



A. 

 Adds, their attradlion of fixed alcalis, calcarious earths, fcff. 

 .,; pag- 224. . . ^ 



" the quantity of air expelled from alcalis by them, 177. 



Air (fixed) attraded by calcarious earth, fixed alcali, is'c. 224. 

 Air, the feparation of it from calcarjous earths, turns them iof 

 . to quick-lime, 185. 



Air, chalk deprived of it, affords lime-water, 206. 

 Air-pump, the cold produced in its exhaufted receiver, 153.^ 

 Alcalis, the quantity of air expelled from them by acids, 177, 

 Alcali (cauftic) contains no lime, 192. and 200. 

 Alealine fubftances, experiments on them, 157. 

 Antimonial wine, an uncommon effeft of it, 254. 

 uim [procidentia) remarks on it, 353. 



B. 

 Belly, a child efcaping by a rent in it, 340. 

 Black (Dr. Joseph) his experiments on magnefia alia, quick< 



lime, i^c. 157. 

 Bodies, the reflexion of light from their furfaces, 84. 



light ones their fpontaneous motions on the furfaces qf 

 fluids, 26. 



coloured ones, the changes they undergo In different 



lights, 32. 

 doubts, difficulties, and conjeftures con- 



cerning them, 59. 



Bones, drawings of very large ones, 1 1 . 



BoswELL (Dr. John) his account of bones found in the ova- 

 rium of a woman, 273. 



Bulge-water tree, its l?ark cures worms, 264. 



