INDEX. 



&xide, carbonic, compounded with oxi- 



muriatic gas, 241 

 Oximuriatic acid and gas, see Acid and 



Gas. 

 Oxinite, analysis of, 38 1 



P. 



Parkinson, J. Esq. on the specimens of 

 hippurites brought from Sicily, 314 



Parry, Dr. on a case of nervous affec- 

 tion cured by pressure of the ca- 

 rotids, 345 



Pearson, Dr. G. on animal fluids, in 

 answer to Dr. Marcet, 37 — His me- 

 dical and chemical lectures, 1,68 



Pear-trees, standard, management of, 

 355 



Pelletier, M. on some preparations of 

 gold, lately employed medicinally, 

 179 



Petrefactions, 230. 



Phcenix, Mr. J. on the zig-zag motion 

 of the electric spark, 227 



Phosphorescent' earth from Marmarosch, 

 analysis of, 379 



Pitch lake in Trinidad, 200 



Plants, fructification of, 1 — Mechanism 

 of, 169 



Plumbago, medicinal use of, 148 



Pontier ; M. 78 



Potash in animal fluids, 137 



Potash, muriate of, 159; Nitrate of, 

 "158; sulphate of, 156, (proportions 

 of base and acid in) 



Potatoes, probable means of preventing 

 the curl in, 321 



Premiums given by the Society for the 

 Encouragement of Arts, &c. 232 



Priestley, Dr. on the effects produced 

 on sugar by muriatic gas, 216 



Prize question by the Royal Edinburgh 

 Medical Society, for the year 1813, 

 162 



Reaumur on the fineness of gold dust in 

 Europe, 35 



Red dye for cotton, 288 



Refining gold, 27 



Rick, temporary, for saving corn, 257 



Robilant, M. de, 35 



Robinet, M his explanation of a hy- 

 drostatical phenomenon observed by 

 Dr. Franklin, 284 



Rumfcrd, Count, his account of some 

 experiments on wood and charcoal, 

 100— Inquiry concerning the heat 

 developed in combustion, with a de- 

 scription of anew calorimeter, 105 



Sabrina island, account of its firit 

 emerging from the sea, 247 



Salt from the Droitwich spring, analysis 

 of, 165 



Saponaceous principle, 75 



Saunders, Dr. 52 



Saussure, M. de, 113 — On the zigzag 

 motion of the electric spark, 229— 

 On evaporation, 335 



Scarificator, an improved, 340 



Schrader, M. on extract and the sa- 

 ponaceous principle, 75 



Scientific News, 80, 162, 232, 313 



Scotland, mineralogy of/ 235, 317 



Sheep's dung, useful in dying cotton, 

 288 



Siberia, mineralogy of, 78 



Sines and cosines, formulae for, 13 



Sinope earth, analysis of, 312 



Skey, Dr. J. on the structure of the 

 island of Barbadoes, as connected 

 wi;h (he specimens of its rocks, 315 



Slate, analysis of, 311 



Sleavin, Mr. P. on a method of curing 

 herrings, 137 



Smicrologometer, a machine for as- 

 certaining the tenacity of metals, &c, 

 81 



Smith, Dr. his description of the cryp- 

 togamia class of plants, 2 



Smith, Mr. E. on the manufacture of 

 cloth and cordage from nettles, 132 

 Smithson* 



