t N D E X* 



.Quicklime, experiments on it, 157. 



only an acrid earth deprived of its air, 187. 



, produced without the afiiftance of fire, 206. 



deftroyed by Ynagnefia alba, 171. 



^eetii-ferry, an unufual motion of the waters there, 432. 



R. 



Rays of light, the caufe of their different refrangibility, 40.^ 

 differently colotired ones projedled with different Ve- 

 locities, 41. 



S. 

 Salts, different ones mixed with fpirit of winff, give different 



lights, 32. 

 Sceptics, an objeflion of theirs againft the endlefs divifibility 



of quantity anfwered, 71. 

 Sky, its bluenefs accounted for, 73. "■ "' '^' ' ' ■•'■- 



Soap-ley, contains no lime, igz. and tboi' "-^^^ ^ ' ::-:oi 

 Stewart (Matthew) his folution of Kepler's problem, 105. 

 Stramonium, the effedls of its fruit, 247. 

 SwAiNE (Dr. Abraham) on the effedts of the thorn-apple, 247. 



Tathwell (Dr. Cornweli;) his hifiory of periodic nephri- 

 tic convulfions, 412. 



hiftory of a fever after child-bearing, 417. 



■ 'hiftory of a fever with bad fymptom s, 420. 



Teeth found in t\\eo'varium of a woman, 273. 

 Thigh, a com pleat luxation of it, 317. 

 Thorn-apple, its effefls, 247. 

 Tree (wild cabbage) its bark cures worms, 264. 

 Twins, with a preternatural colleflion of water, 34-. 



V. 

 Vii percujjjonis, a luxation of the thigh cured by its means, 3 1 7. 

 Volvulus of the inteftines, an account of a true one, 36S. 



