INDEX. 



Moonftone, II. 92. 

 Morals, III. 491. 

 Motion, I. 3 1 . 

 Mountains, II. 313. 

 Muriatic falts, II. 33. 

 Mufcles, III. 139. 

 Mufcovy glafs, II. 66. 

 Mufcular motion, III. 346. 

 Mufic, III. 487. 



N. 



Naphta, II. 274. 

 Needle, magnetic, I. 42. 

 Nerves, III. 279. 

 Newton, Sir Ifaac, I. 164. 

 Nickel, II. 131. 

 Nitre, II. 26. 



cubic, II. 30. 



Nitrous ammoniac, II. 3 1 . 

 gas, I. 397- 



O. 



Ocean, II. 473. 

 Oils, effential, III. 49. 



fat, III. 47. 



Omenturr:, II F. 207. 

 Onyx, II. 92. 

 Opacity, I. 156. 

 Opal, II. 87. 

 Opinion, III. 506. 1 

 Optics. I. 185. 

 Optical definitions, I. 155. 

 Orang Outano;, III. 91. 

 Ores of metals, II. 114. 

 -allaying, &c. II. II 6. 

 Oxyds, vegetable, III, 37. 

 Oxygen gas, I. 371. 



P. 



Pain, III. 453. 

 Painting, III. 488. 

 Parhelia, I. 288. 



Pafchal, I. 419. 

 Paffions, III. 471. 

 Perception, III. 421. 

 Peritoneum, III. 206. 

 Petrifactions, II. 58. 

 Petroleum, II. 274. 

 Pewter, II. 179. 

 Phofphorated hydrogen gas, 



11.255. 



Phofphorus, I. 183. 11.248. 

 Phyfiognomy, III. 147. 

 Plane, inclined, I. 77. 

 Plants, III. 2. 

 nourifhment, &c. III. 



16. 31. 



Platina, II. 238. 

 Plating, art of, II. 225. 

 Pleafure, III. 453. 

 Plumbago, II, 262. 

 Poetry, III. 488. 

 Poles of the magnet, I. 39.. 

 Porcelain, II. 81. 

 Pottery, II. 79. 

 Pulley, I. 60. 

 Pulfes of the air, I. 445. 

 Pumice ftone, II. 106. 

 Pump, common, II. 450. 



forcing, II. 449-455- 



. raifing, II. 447. 



Pupil of the eye, III. 387. 

 Putrefa&ion, III. 70, 

 Pyrometer, I. 153. 

 Pyrophorus, I. 147. 



Quartz, II; 89, 



R. 



Rain, II. 484. 

 Rainbow, I. 277. 

 Reaumur, I. in. 



Reafoning, 



