462 



INDEX. 



Navigation, inland, of the United States, 

 24, 292 



Navy, its improved 'vState, 108 

 Needles, magnetic, construction of, '203 

 Nelioubin, M., observation of, 447 

 Nelson, Lord, 321 

 Newton, Sir Isaac, on the velocity of 



sound, 127 

 New York, steam-boats to, 2 



projected improvements in the 



state of, 30 

 Nickel, test of potash by, 209 

 Nile, composition of the mud of, 449 

 Nitre and sal-ammoniac, mutual action 



of, 209 

 Nobili, M., experiments of, 202, 431 

 Norfolk, organic remains of the dilu- 

 vium in, 308 

 North America steam-vessel, description 

 of, 4 



(Ersted, M., experiments by, 203, 209. 



211,422 

 Oguz, a Turkish hero, 145 



• some account of him, 146 



Oil of the whale, 16, 17 



Ophir, supposed to be the same as Ava, 



141 

 Oranges from the open air, 164 

 Orvinn, Eliz., singular case of, 253 

 Osann, M.,on new solar phosphori, 204 



pluranium described by, 438 



Oxide, nitrous, combinations of, 434 

 Oxygen, test of the presence of, 433 



PaixhanSyM., suggestion of, 118 

 Pallas, M., hi* experiments on leeches, 



228 

 Paper, linen, invention of, 426 

 Paris, mean height of its inhabitants, 



226 

 Patients, curious questions of, 80 

 Payen, M., his account of a new kind 



of borax, 209 

 Peach-trees, mode of managing, 138 

 Peacocks of Africa, 142 



feed on pepper, 143 



Pears, improved method of grafting, 139 



new varieties of, 165 



Pearse, Commodore, on the stowage and 



sailing of ships and vessels, 320 

 Pegu, particulars respecting, 143 

 Pekin, once the capital of the Mogul 



Emperors, 336 

 Pennsylvania, state of, 297 

 Perkins, Eliz., singular case of, 255 

 Persian melons, fine specimens of, 166 

 Peschier, M., on the preservation of 



eggs, 454 

 Philadelphia, situation of, 24 



Phosphori, new solar, 204 



Pig iron, carbon in, 438 



Piles of kitter, secondary, 200 



Pine-apples, cultivation of, 167 



Pinic acid, a constituent of Venice tur- 

 pentine, 445 



Piperine, preparation of, 221 



Pipes, iron, effect of temperature upon, 

 196 



Plant, living in the air, 230 



Plants, account of a new genus of, 121 



pollen of, 234 



aquatic, culture of, in China, 



231 



maritime, exhalation of chlo- 

 rine by, 450 

 Plaster casts, method of hardening, 198 

 Plates, crystallized, colours of, 389 

 Pluranium, a new metal, 438 

 Poison, prevention of death from, 452 

 Polarisation, observations on, 172, 391 

 Poor-laws, on the abolition of the, 165 

 Population, on the increase of, 152, 157 

 Potash, test of, 209 



phosphoric acid in, 435 



crystallization of, sulphate of, 



436 



chromate of, new use of, 215 



Potassa and silica, new compound of, 435 

 Potassium, formation of cyanide of, 435 

 Potatoe, on the cultivation of, 166 

 Pouellet, M., on the conducting power 



of metals, 199 ■ 



Precipitate, argentiferous, analogous to 



the purple of Cassius, 440 

 Princep, ]\I., experiments by, 440, 450 

 Prussian blue, on dyeing wool with, 



427 

 Punch, observations on, 249 

 Purdy's map of Cabotia, 361 

 Pyrophorus, experiments on, 207 



Quin, anecdote of, 252 



Quinia, sulphate of, substitute for, 222 



Rackett, Rev. Mr., 228 



Railton, Wm., on a newly-discovered 

 temple, 385 



Ranking, John, Esq., his attempt to 

 prove that Ava was the Ophir of So- 

 lomon, 141 



on the discovery of some fos- 



sil bones in France, 267 



his remarks on some remains 



of elephants, 334 

 Raymond, M., 427 

 Razor-strap, a new kind of, 197 

 Redmond, M., 449 

 Rees's Cyclopedia, quoted, 147 

 Refraction, double, observations on, 168 



