INDEX. 439 



Ocdmann's account of a Turkey cock hatching eggs, page 309, 



Olivier and Bruguiere, travels in Turkey, Egypt, &c. by, 337. 



Oxygenated muriatic acid, methods to prepare, 260. 



Oxygenated ivater, fnovv determined to be, 233. 



Oxygen gas, cures effected by inhaling, 90, 213, 299, 418. 



Oxygen in the bloody obfervations on, 104. 



Oxygenated muriatic acid gas employed to deftroy contagion, 397. 



Paper, to prepare, that will refill fire and water, ij8. 



Paul's improved fteel-yard defcribed, 40S. 



Pcpys and Allen's experiments on artificial cold, 76. 



Phofphorefcence of ivood, remark concerning, 321. 



Phyjiology, Carrad:.ri's experiments in, 322. 



PI. nts, to prefervc the feeds of, 30. 



Plants, on the excrement of, 319. 



Plants and animals, on the winter fleep of, 156. 



Poller's account of the procefs for making attar, 347. 



Potters' earlh, on the kind called fea-ftoth, 16c. 



Prediction, one current in Egypt, (fee note) 342. 



Prints or engravings, to cleanfe and whiten, 260. 



Prize quefions i 312,419. 



Putrid fmells, removed by oxygenated muriatic gas, 398. 



Ra'm and fnotv, their influence on vegetation, 233. 



Rcir.ejg, on the fo called fea-froth, 165. 



Rcih'-s, Dr., account of Sauffriere, 256. 



Ropes, an improvement in the fabric of, 33 T. 



Rofes, ejfential oil of, procefs for making, 347. 



Roxburgh's defcription of the Lac infect, 367. 



Royal Academy of Schnces at Copenhagen, prize queflions, 312. 



Royal Society of London, proceedings of, 105, 216, 427. 



Royal Society of Gottingen, prize queftion by the, 419. 



Ruby, thefpim I, analylis of, 41, 



Sah/rw's machine for cutting chaff, 292. 



Sanmartino's method of preferving trees from being hurt by froft, 



310. 

 Saujfure's Agenda for a theory of the earth, 33, 147, 294. 

 Sauffnres diapha7iorneter, defcription of, 377. 

 Scrophula, cured by inhaling vital air, 90. 

 Sea-fro;h, on the fo called, 165. 

 Seeds, to preferve in a Hate fit for vegetation, 30. 

 Ship-bollS, defcription of a machine for drawing, 189. 

 Silver, a vein of, difcovered in Cornwall, ill. 

 Sleep of animals and plants in winter, 1 ;6. 

 Smyth' », Dr., Trealtfc, an error in the laft edition of, 39^. 

 SneycPe method of preferving feeds of plants, 30. 

 Snt/fv and rain, their influence 011 vegetation, 233. 



Snow 



