THE PHILOSOPHICAL MAGAZINE AND ANNALS, 1827— -1832. 25 



Horses, on the power of, viii. 22. 



Horticultural Society, viii. 152, 382. 



Society's barometer, v. 236. 



garden, Prof. Schultes's descrip- 

 tion of, vi. 428. 



Hour-lines of the ancients, on the, ix. 

 133. 



Howldy (T.). remarks on Mr. |Stur- 

 geon's paper on the inflammation of 

 gunpowder by electricity, i. 343. 



Humboldt (M. de) on the volcanos of 

 Guatemala, ii. 117. 



Hiinefeld (Prof.) on titaniferous iron- 

 slag, iii. 121. 



Hutton's logarithmic tables, errors in, 

 iii. 154. 



Hutton (W.) on the new red-sandstone 

 of Durham, viii. 348, 411. 



Hya-hya tree, milk of, viii. 296. 



Hyaenas, fossil, in Kent, ii. 73. 



Hyalosiderite, Mr. W. Phillips on, i. 

 188. 



Hybernation of animals, on, xi. 454. 



of the black ant, i. 314. 



Hybrid between the hare and the rab- 

 bit, R. Thursfield on the, x. 60. 



Hyderabad Country, on the geology of 

 the, iv. 12. 



Hydriodic aether, preparation of, vii. 59. 



Hydrocyanic acid, action of sulphuric 

 and muriatic acid upon, vi. 315. 



detection of, ii. 230. 



T. Clark's process for preparing, 



x. 151. 



Hydrogen, arseniurets of, viii. 302. 



, decomposition of boracic acid by, 



v. 233. 



gas, phosphuretted, i. 313; vii. 



229. 



, sulphuretted, and aluminum, iv. 



150. 



and phosphorus, Dr. Henry on 



the compounds of, vii. 229. 



Hydrometer, syphon, on an improved, 

 iv. 258. 



Hydrosilicite, a new mineral, iii. 71. 



Hypophosphites, iv. 383. 



Hyposulphates, v. 395. 



Hyposulphuric acid, v. 395. 



Ichthyosaurus, fossil faeces of the, v. 

 387. 



Ignes fatui, ii. 357. 



Iguanodon, claw of, fossil, v. 153. 



discovery of the bones of, in the 



Isle of Wight and Purbeck, vii. 54. 



Ilmenite, xi. 187. 



Imperial standard yard, x. 44. 



Indigo, analysis of, vii. 234. 



, sulphate of, action of aether on, 



vi. 393. 



copper ore, vii. 311. 



Inflexion of light, x. 300. 



Innes (G.) on certain errata in Dr. 

 Mackay's tables of versed sines, iv. 

 394. 



Inscriptions, ancient, of Persepolis, v. 

 321. 



Insects, D. T. on the rapid flight of, x. 

 151. 



Institutions, literary and scientific, on, 

 vii. 216. 



Instruments, ancient, chemical exami- 

 nation of, iii. 154. 



Interference, of light, experiments on, 

 xi. 1. 



Interpolation, Prof. Encke on, v. 28, 91. 



Inventions, patent, evidence on the law 

 of, viii. 305. 



Iodates of potash, viii. 229. 



Iodic acid, ix. 149 ; A. ConnelTs prepa- 

 ration of, x. 235. 



Iodide and chloride of ammonia, vi. 

 147. 



of carbon, iv. 155. 



of mercury, native, iv. 151. 



of potassium, on the combination 



of, with bicyanide of mercury, ix.401. 



Iodine in cadmium, iii. 234. 



, action of alkalies and their carbo- 

 nates on, iv. 152. 

 ■, atomic weight of, vi. 237 ; vii. 276. 



, compounds of, vii. 235. 



, detection of, viii. 225. 



, precipitate of chloride of, by sul- 

 phuric acid, viii. 297. 



, discovery of, in salt springs ; &c. , 



in England, vi. 235, 283. 



— — in spring waters, vii. 9, 10. 



, occurrence of, in mineral waters, 



viii. 61. 



and fluosilicic acid, M. Varvinsky 



on, ii. 426. 



Iodous acid, ii. 392 ; preparation of, iii. 

 146. 



Ireland, on the geology of the South of, 

 viii. 147. 



Iron, deviation of magnetized needles 

 towards, v. 129. 



, power of masses of, to control 



the attractive force of a magnet, W. 

 S. Harris on, x. 297. 



, decomposition of water by the 



contact of, agency of carbonic acid in, 

 iv. 381. 



