^ I N D E X» 



■in frogs becomes fhorter and paler during \\&fyJiole, and 



longer and redder in its diafiole, 290. 

 Henbane, feed, its effefls when taken in a large dofe, 243. 

 Hernia, a hiftory of one, 333. 



I. 



Inoculation (of the fmall-pox) an objeftion againft it anfwered, 



396- 



— — '- the moft proper time for it, 401. 



Intu/u/ceptio of the guts, remarks on it, 359. 

 Inflammation of the guts, remarks on it, 365. 



K. 

 Kepler's problem, a folution of it, 105. 



L. 



Light, obfervalions on it, 12. 



1 its mutual penetration, ibid. 



its amazing fubtility, 13, iffc, 



^— — on the heating of bodies by it, 18. 



— — — its reflexion from the furfaces of bodies, 84. 



its rays projefted with different velocities, 41. 



the caufc of the different refrangibility of its rays, 40, 



. the imperfedion of our knowledge concerning its in- 

 flexions, 54. 



. queries, doubts, and conjeftures about it, 59. 



Lights, different ones produce many changes in coloured bo- 

 dies, 31. 



Lime-water procured from chalk without calcination, 206. 



cures the dyfentery, 257. 



LiND (Alexander. Efq;) on the analyfis and ufes of peat, 

 226. 



Lining (Dr. John) his hiftory of the American yellow fever, 

 370. 



Livingston (Dr. Thomas) hishiftory of z. hernia, 333. 



hji account of a dropfy, 407. 



Loch-lomond 



