INDEX. 409 
Medical pneumatic infiitution, elablithed at Briftol, 301: 
Mercurial gazometer, defeription of Pepys’s, 154. 
Metal, chemical a¢tion of, on each other, 268. 
Meteorclogical remarks, 38. 
Meteors, account of feveral, 199. 
Mining} hiftory of, in Devon and Cornwall, 357. 
Mitchill’s inquiry into, the effects of feptic acid on flefh, 146. 
Mitchillian theory, objections to the, 188. 
Monument to Count Rumford, 205, 312. 
to Linneus, 399. 
Morocco leather, the method followed at Fez and Tetuan to dye, 7. 
Mufbet on the manufacture of iron, &c. 40, 97, 1245 236, 366. 
Mufbrooms, on the growth of, 279. 
Natural hiftory, notices relative to, 109, 
Navigatitn, new theory for the improvement of, 378. 
Neitles, a fubltitute for cinchona, 403. 
Nicholfon’s procefs for producing lights in drawings, 67 
Nugent on the magnetic poles and the longitude, 378. 
Ores, Muhhet on the aflaying of iron, 236. 
Oxygen gas, a cure for different difeafes, 94, 196, 291° 
Paliorum Lacus, defcription of the, 77: 
Pearl fifberj, account of the, in the gulph of Manar, 335. 
Pearfon on vaccine eruptions, 313. 
P-pys, defcription of his mercurial gazometer, 154. 
Peru, earthquake in, in the year 1797, 318. 
Pefiilential difeafes, Smith on thofe of ancient armies, 242. 
Pictra fongaja, on the nature and properties of, 279. 
Plants, Ratn on the nutrition of, 233. 
Pneumatic apparatus, Pepys’s new, 404, 
medicine, Dr. Thornton on, 94, 196, 291. 
inftitution, obfervations made at the, 301. 
Polytechnic fchook, experimeuts at the, on the diamond, 55, 174. 
Pot-afb, Mitchill’s obfervations on, 146. 
Pottery, analyfis of feveral kinds of, 288. 
Prize quefttons, 296, 297: 
Prouft on manganefe in vegetables, 98. 
Rafn on the nutrition of plants, 233. 
Refpiration, Herholdt’s new theory of, 300. 
Royal Society of London, tranfaétions of the, 197, 402. 
Rumford, Count, monument to, 205, 312, 
Rumford’s inquiry into the weight alcribed to heat, 162, 
Sal aératus, an eafy and cheap method of preparing, 36. 
Sandarac, on the real origin of, 239. 
Sauffure’s agenda, 24, 335, 217. 
Schoufboe on fandarac and gum arabic, 239. 
Scouring of Puffs, Chaptal on the art of, 26t. 
: Septic 
