INDEX. 377 



Plalina, procefs for rendering it malleable, I. 

 PZ/Vrt/io/ow/ert, on the Polifh difeafe called, 224. 

 Pjieumatk medicine, communication from Dr. Loane on, 82. 

 Poifon of had, on the cure of afFedions arifing from, 1 19. 

 PcJand, on the population of, 88. 

 Potatoes, on the dilHllation of fplrits from, 286* 

 Prize quejiiom, 272. 

 Prujfiats, Hauffmann's reflexions on, 4. 



Pulteney (Dr.) on the economical ufe of the ranunculus aquatilts, 

 210. 



Rain, meteorological axioms concerning, 1 50. 

 Ranunculus aquatilis, on the economical ufe of, 210. 

 RefraSive po^Mir of different fubftances, 131. 

 Rhcumatif?n, effefts of ether employed with friftion in the, 314^ 

 Rodman's trepanning inflrument defcribed, 207. 

 Roebutk on the air-vaults, Sec. at the Devon iron-works, 324. 

 Roxburgh (Dr.) on the urceola elaftica, or caout-chouc vine, 154. 

 Royal Society of London, tranfadions of the, 84, 183, 366, 

 » Edinburgh-, tranfaftions of, 367. 



Sap, on the afcenGon of, in trees, 310. 



Siiitica, effects of ether employed with friftlon In the, 314. 



Science, view of late difcoveries in, 304. 



Sra-nettle, organifation of the, 305, 



Seeks, on the Indians called, 282. 



Shii^reen, method of preparing at Aflracan, 217. 



Shell and bone^ experiments and obfervations on, 31,355. 



Sili-tvorm, on the organifation of the, 304. 



Silver, cupells of fand recommended for refining, 280. 



Skeletons, Sue's method of preparing, 30J. 



Smut, to remove, from feed-corn, 10. 



in nuheat, Chantran's ideas on, 90. 



Sound, experiments on, 245. 



SpaniJ}} vjo'jL The fheep that yield it thrive in Holland, 369. 



Spiders, obfervations on, by Dr. Amoreux, 74, 122. 



Stackhoufs method of preferving fpecimens of plants, 30c. 



Steam-engine, propofal to work by a flili, 165. 



Steatites, on the ufes it may be applied to, 282. 



Still, defcription of improvements on the, 70, 161. 



Still-born children may fometimes be reltorcd to life, 30S. 



Su^ar, feveral plants that yield, 311. 



Sulphur and arfenic, to fcparate from ores, 354. 



Sulphurated hydro-fulphure, a ufeful medicine, 87. 



Surgery, improvements in, 189, 207, 308. 



Surgical cafes noticed by the French National Inftltute, 279. 



Thermometer, meteorological axioms on, 149. 

 Thermometers, diflcrcnce in the movements of mercurial and fpirit of 

 wine, 249. 



Tbuiuh- 



