5IQ 



INDEX. 



Pallas's account of the Calmucs,328,342, 



344, 345, 346, 362, 368, 369 

 Palsy, observations on the, 43 

 Paper, made from liquorice root, 218 



manufacture of, 417 



Parsons, James, wonderful appetite of, 21 



Payen, M., experiments by, 483 



Pears, cultivated in the Carse of Gowrie, 



192 

 Pearsall, Mr. his specimens of marble, 173 

 Pechi, Francis, curious case of, 275 

 Pelletier and Cavenlou, Messrs., 167 

 Pendulum, properties of the, 419 

 Persia, population of, 90 

 Peruvian bark, different kinds of, 168 



style of architecture, 327 



Pfeffers, baths of, in Switzerland, 67 

 Philosophical Transactions, extracts from, 



177 

 Philosophy, mechanical, on its application 



to the manufacturesof Great Britain, 438 

 Physical existence, arrangement of, 392 

 Pillar of Rosetta, passage in the, 122 

 Planetary space, temperature of the, 471 

 Plant, method of obtaming the figure of a, 



218 

 Plants, to protect in winter, 294 



. diseases of, 301 



Platina, compound of, with oxygen, &c. 489 



— native, 234 



sand of Russia, 234 

 Platinum, chloride of, 376 

 Pohl, l\Jr., his engravings of Brazilian 



plants, 172 

 Poisson, Mr., memoir of, 204, 214 

 Polo, Marco, extracts from his works, 147, 



150,341,343,360,369 

 Pompeii, discoveries at, 500 

 Popayan, mineral spring near, 385 

 Porter, Sir R. K., his travels in Persia, 147, 



153, 350 

 Portland, the late duke of, 284 

 Potash, in mineral waters, 233 



— iodide of, 378 



Potassa, method of discovering, by the blow- 

 pipe flame, 483 

 Printing, improvements in, 174, 183 

 Pritchard, Mr., on diamond lenses, 112, 



113 

 Proust's caseous oxide and caseic acid, 



230 

 Ptolemy, astronomical chronology deduced 



from, 442 

 Putrid exhalations, innocuous, 492 



Quails, number of, 347 

 Quetzalcoatl, high priest of Tula, 356 

 Quiche, province/)f, 324 

 — — — conquest of; 326 



Quintus Curtiusjhis particulars respecting 



Asia, 89, 90 



Raffles, Lady, 173,417 



■ — Sir Stamford, 178 



Rains, heavy, 232 



Ramage, Mr., 255, 260 



Ranking, John, his remarks on the ruins 

 at Palenque, and on the origin of the 

 American Indians, 135, 323 



Recoil of guns, &c., theory of, ^32, 433 



Redbird, an Indian chief, 327 



Red spider, the, 299 



Rees's Cyclopedia, 149, 150, 340 



Reflecting telescopes, annealing of the 

 specula pf, 255 



Reflection and Refraction, on, 204 



Reflectors, Amician, improved, 116 



Refractors, advantages of, 115 



Reinagle, R., Esq., lectures by, 438 



Resonance, or reciprocation of sound, lec- 

 ture on, 173 



Reynolds, Dr., 282 



Ritchie, Wm., his experiments on heated 

 iron, 288 



Robertson, Dr., 355 



Robison, Professor, experiment by, 425 

 stop-cock of, 426 



Rocks, method of blasting, 218 



Rock-work, in gardens, 292 



Ronalds, Mr., his drawing instrument, 417 



Roofs, covered with zinc, 218 



Rosetta, Pillar of, 451,453 



Royal Institution, proceedings of the, 167, 



417 

 anniversary meeting of, 



441 



Rule, Mr. (afterwards Sir William), 430 

 Runge, M., 476 



St. Helena silk, 499 



St. Paul's Cathedral, architecture of, 172 



Saline manures, remarks on, 313 



Salt, used in agriculture, 316 



of copper, decomposition of, 487 



Sanctorius, experiments made by, 308 



Saturn and Jupiter, tables respecting, 

 196 



Scalping, custom of, 347 



Schultz. Mr, 426 



Seminoles, an Indian tribe, 332, 333 



Sensitive plants, lecture on, 434 



Seppings, Sir Robert, 430 



Shetland Island, meteorological prognosti- 

 cation in, 232 



Ships, stability of, 427 



Sicily, population of, 98 



Sieviere, Mr., his method of projecting 

 shot, 431 



