INDEX TO VOL. II. 



xlCIDS, anhydrous sulphuric, 68; 

 hydrocyanic, 230; new, 232; me- 

 conic, 283 ; nitric, 388, 429 ; carbo- 

 azotic,389; stearic, 390; iodous,392; 

 manganesic, 393; chlorocyanic, 463; 

 fluosilicic, 426. 



Aikin (A.) on the geological structure 

 of Cader Idris, 433. 



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

 93. 



Alkali, new, in hemlock, 392. 



AUophane, Dr. Walchner's analysis 

 of, 310. 



Althein, a peculiar substance in marsh- 

 mallow, 69. 



Alumina, metal of, 391. 



Ammonia, in native oxide of iron, 229 ; 

 anhydrous sulphite of, 389. 



Apatite, composition of, 311. 



Arago (M.) on the influence of the 

 polar lights on the magnetic needle. 

 Prof. Hansteen'sobservations on,334. 



Arsenic and cadmium, 231. 



Arseuiuret of copper, Mr. W. Phillips 

 and Mr. Faraday on, 286. 



Astronomy, 76, 81, 142, 149, 222, 401. 



Atmospheric phaenomena, unusual, 79. 



Aurora borealis and australis, 334, 395. 



B. on the royal observatory at Paler- 

 mo, 81. 



Basterot's observations on fossil shells, 

 102. 



Beche's (H. T. de la) collections in 

 foreign geology, 1, 95, 168, 253. 



Berthierite, a new mineral species, 460. 



Bevan, (B.) on register rain-gauges, 

 74 ; on the adhesion of screws, 291. 



Bilin, mineral waters of, 310. 



Birds and mammalia, aquatic, Mr. Ed- 

 monston on the origin of their power 

 of suspending respiration, 126. 



Bismuth, Mr. Phillips on the crystal- 

 line forms of, 181. 



Bitburg meteoric iron, 41. 



Blood and animal tissues, microscopic 

 observations of, 130; on the iron 

 contained in the blood, 154; on the 

 nature and properties of, 183, 247. 



Books, new, 58, ;n6, .181, 395, 439. 



Botany, 3H, 285. 



Bronwin (Rev. B.) on the rectification 

 of the ellipse, 378. 



Barney's (Dr.) meteorological obser- 

 vations, 77, 158, 238, 318, 395, 397, 

 465. 



Cader Idris, Mr. A. Aikin on the geo- 

 logical structure of, 433. 



Cadmium and arsenic, 231. 



Canaan, U. S., native iron found in, 71. 



Carboazotic acid, 389. 



Caustics, Mr. Moseley on, 263. 



Chameleons, Mr. Gray's revision of the 

 species of, 207, 408^ 



Chalk of the Cotentin, M. J. Desnoyers 

 on, 253. 



Charcoal, quantity of, obtained from 

 different kinds of wood, 231. 



Chemistry, 20, 58, 68—72, 130, 144, 

 151—156, 183, 229—234, 247, 309 

 —311, 381, 387—394, 459, 464, 463, 

 464. 



Chladni, Steininger, and Noeggerath, 

 on the meteoric iron of Bitburg, 

 41. 



Chlorine, use of, in destroying fire- 

 damp, 142, 309. 



Chlorocyanic acid, 463. 



Chromates, new double, Mr. H. Stokes 

 on, 427. 



Cinchalona, examination of, 464. 



Clock, a, on the semi-arcs of vibration 

 of, 34. 



Conchology, 102, 235,409. 



Condurrite, Mr. Faraday and Mr. W. 

 Phillips on, 286. 



Copper ores, remarkable, from Corn- 

 wall, Mr. W. Phillips on, 286 ; Mr. 

 Faraday's analysis of the condurrite, 

 and of tiie arseniuret of, 287, 288 ; 

 indigo copper-ore, 311. 



Cornwall, two remarkable ores of cop- 

 per from, 286 ; duty of steam-en- 

 gines in, 309. 



Croton, oil of, effects of, on the eye, 

 463. 



D — t on mechanical science, 38. 



Davies's (T. S.) symmetrical properties 

 of plane triangles, 26. 



Dead Sea, M. Gmelin's analysis of the 

 water of, 232. 



