INDEX. 



Nicholson, Sir. his account of appear- 

 ances ill a storm, resembling the au- 

 rora boraalis and falling stars, 85 



Nicolas on d abetes, 2C0 



Numbers, polygonal, essay on, 161 



O. 



OilSy volatile, and salts, reciprocal 



tion of, 1-15 

 Ox, new species of, 201 



P. on the cause of animal heat, 200 



Paludanus, Barnard, 56 



Paper-staining, apparatus for, 2 1 



Parkinson on the culture of the tube- 

 rose, 58 



Parkinson's " Organic Remains," 159 



Parmentier, M. 196 



Parry, Dr. on the causes of the decay 

 of wood, and the means of prevent- 

 ing it, 69, 102 



Patrin, Mr. his inquiry concerning vol- 

 canoes, 184, 251 



Peirsc, 37 



Pelletier*s experiments on molybdena, 

 121 



Pendulum, to correct the errois arising 

 from a variation of temperature, 214 



Pennant, Mr. correction of a mistake 

 of, in natural history, 319 



Pepys, Mr. his mercurial gazometers, 

 325 



Perperes, M. on the formation of ace- 

 tous acid in cases of indigestion, 196 



Perrault on the stomach of the lion, 15 



Phenomena, luminous, which appear to 

 depend on electricity, 8 1 



Philochemicus on the purification of 

 lemon juice, 382 



Pinna ingens, 2i>8 



Planche, M, on tVie possibility of col- 

 lecting a (ertain quantity of succinct 

 acid, daring the preparaiion of am- 

 ber varnish, without any injury to the 

 (quality of the varnish, 227 



Plantations, improvftment for, 850, 352 



Pliny's natural history, a new transla- 

 tion of, 38.3 



Plumier's " Genera Plantarum," 56 



Pococke, 27 



Polygonal numbers, essay on, 161 



Poole on diabetes, 230 



Potash and soda, general observations 

 on the relations of their bases to other 

 bodies, 321 



Potato, when introduced to the Britisk 

 isles, 1 



Poultry, new method of fearing, 346 



Priestley's electricity, 82, 327 



Pseudocrystals, 93 



Pyrites on the shore at Harwich, 222 



Q. 



Quendeville on diabetes, 230 



R. 



R. B. on such luminouff pheliomena ia 

 the atmosphere as appear to depend 

 on electricity, 81 



Raleigh, Sir W. brought the potato to 

 England, from Virginia, I 



Rape, a new variety of, 168 



Ray, on tlie tuberose, 58 



Reade, Dr. J. his account of a remark- 

 able fact of an increase of temper- 

 ature produced in water by agitation, 

 113, 200 



Rcdoute, 57 



Itelistian tin mine, 24 



Resin of sulphur, 238 



Richter's experiments on molybdcns, 

 121 



Robillant, M. De, on native gold dust, 

 268 



RoUo, Dr. his mode of treating the di* 

 abetes infallible, 232 



RoIofF, Mr. on the fetid resin of sul- 

 phur, 238 



Root, esculent, a nevr one, described, 

 168 



Rouelie, 278 



'Roxburgh, 



