INDEX. 



4.71 



Iodine and fluosilicic acid, M. Var- 

 vinsky on, 426. 



lodous acid, 392. 



Iron, meteoric, of Bitburg, 41 ; from 

 Mexico, 46 ; iron scales, composition 

 of, 70 ; native, found in Canaan, 71 ; 

 ammonia in native oxide of, 229 ; 

 spathose, analysis of, 231 ; argilla- 

 ceous, carbonate of, 459. 



Ivory's (J.) reply to Prof. Airy, 16, 

 88; letter to the editors of Phil. 

 Mag. and Annals, 93 ; on the figure 

 of the planets, in reply to M. Poisson, 

 161, 241, 321. 



Labarraque's (M.) disinfecting soda 

 liquid, 387. 



Larvse of Diptera, 178. 



Laudanum, denarcotized, Dr. Hare 

 on preparing, 283. 



Lewth« aite's (J. ) new form of an ex- 

 periment in electro-magnetism, 459. 



Light, M. Rudberg on the dispersion 

 of, 401. 



Limestone, some crystals of quartz im- 

 bedded in, 122. 



Lonsdale (W. ) on the occurrence of 

 galena in the inferior oolite, 234. 



MacLeay (W. S.) on the larvae of Dip- 

 tera, 178. 



Magnetic needle, influence of the polar 

 lights on, 334. 



Magnetism, 215. 



Mammalia and birds, aquatic, Mr. Ed- 

 monston on the origin of the power 

 of suspending respiration by, 126. 



Manganesate of potash, 393. 



Manganesic acid and manganesate of 

 potash, 393. 



Mantell's (G.) geology of Sussex, 439. 



Marshmallow, pecuGar substance in, 

 69. 



Mastodon, fossil remains of, 314. 



Mechanical science, on, 38. 



Meconic acid, easy mode of obtaining, 

 283. 



Meteoric iron, on, 41, 46. 



Meteorite which fell near Ferrara in 

 1824, 70. 



Meteorology, 77, 158, 238, 317, 362, 

 397, 412, 465. 



Miller's (Lieut.-Col.) plan for mooring 

 ships in roadsteads, 110; remarks on, 

 by Mr. De la Fons, 289. 



Mineralogy, 41,46, 122, 153, 179, 181, 

 28G, 310, 311, 460, 461, 463. 



Moseley (H.) on caustics, 263. 



Moyles's(Mr.) meteorological register 

 for 1826, 317. 



Nash (Mr.) on the fascination of snakes, 

 313. 



Nickel, atomic weight of, 151. 



Nitric acid, test of, 388. 



Nceggerath, Steininger, and Chladni, 

 on the meteoric iron of Bitburg, 41. 



Nceggerath (Dr.) on the meteoric iron 

 from Mexico, 46. 



Observatory, royal, at Palermo, 81. 



Oil of Croton, effects of, on the eye, 463. 



Oohte, Mr. Lonsdale on the occurrence 

 of galena in, 234. 



Opium, salt obtained from, 231 ; in 

 solution. Dr. Hare's method of de- 

 tecting, 283. 



Organic remains in Sussex, 394. 



Ornithology, 66, 126. 



Oxahevrite, a new mineral, 153. 



Oxides of gold, 152. 



Palermo, royal observatory at, 81. 



Patents, list of, 77, 156, 2:37, 316, 396, 

 465. 



Pendulum observations, 124, 143, 176. 



Pheasants, hen, on the change of the 

 plumage of, G6. 



Phillips (^V.) on some remarkable 

 crystals of quartz, 1 22 ; Dr. Walch- 

 ner's reply to his remarks on the 

 hyalosiderite, 179; on the crystal- 

 line forms of sulphuret of bismuth, 

 181 ; description of two remarkable 

 ores of copper from Cornwall, 286. 



Phillips (11.) on nitric acid, and sul- 

 phate of potash, 429. 



Phillips (John) on the diluvial cur- 

 rents in Yorkshire, 138. 



Plane triangles, symmetrical properties 

 of, 26. 



Platina, spongy, preparation of, 388 ; 

 uraliau, new metals in, 391. 



Poisson, ( M. ) observations relatives a 

 un article de Mr. Ivory, 1 1 ; reply 

 to, by Mr. Ivory, 161, 241, 321. 



Polar lights, Prof. Hansteen on, 334. 



Potash, manganesate of, 393 ; peculiar 

 sulphate of, 429. 



Potassium, sulphocyanuret of, in saliva, 

 315. 



" Price (Dr.) and his followers," 292; 

 reply to, 332. 



Quartz, Mr. Phillips on some remark- 

 able crystals of, 122. 



Rain-gauge, Mr. Bevan on, 74; Mr. 

 J. Taylor on, 406. 



Rcid (J.) on writing-ink. 111. 



Reptiles, saurian, synopsis of the ge- 

 nera of, 54, 207. 



Respiration, power of suspending, pos- 

 sessed by certain animals, 126. 



Rhelne, a peculiar substance in rhu- 

 barb, 68. 



Rhubarb, peculiar substance in, 68. 



Robbenls (J. \V.)on the i'oiiner level 

 of the (jcrinan Ocean, in reply to 

 Mr. R. C. Taylor, 192, 271; Mr. 

 R. C. Taylor's reply to, 295, 327. 



