52 



GENERAL INDEX OF VOLS. 1 — 12 OF THE 



Strigisan, a variety of wavellite, viii. 173. 



Strix castanops, characterized, xi. 474. 



Stromever (Prof.) on the remarkable mass 

 of iron discovered near Magdeburg, 

 iii. 454, 



Stromite and thiilite, viii. 169. 



Strontia, carbonate of, discovered in the 

 United States, vi. 234. 



and barytes, hydrates of, vi. 52 ; ix- 



87 ; xi, 301 ; separation of, viii, 259. 



Structure in the ashes of plants, xi, 13. 



Struve (Prof.) on the measures of double 

 stars, X, 229 ; on the siliceous contents 

 of plants, xi, 339. 



Strychnos toxifera, the tree from which 

 the Indians prepare the poison called 

 wooraly, x, 72. 



Sturgeon, new species of, vi. 386, 



Sturgeon (W,) on the distribution of mag- 

 netic polarity in metallic bodies, i. 31 ; 

 on magnetic electricity, ii, 32 ; on the 

 theory of magnetic electricity, ii. 201, 

 366 ; on the therrao-magnetism of sin- 

 gle pieces of metal, and the electro- 

 decomposition of metallic solutions, iii. 

 392; caution to experimenters with the 

 electrical kite, v, 317 ; magneto-electri- 

 cal experiments, v, 376 ; Mr, Watkins's 

 observations on, vi, 239 ; reply to Mr. 

 Watkins, vii. 231 ; description of a 

 thunder-storm, v. 418; on an aurora 

 borealis seen at Woolwich, vi. 230 ; 

 description of the aurora borealis of 

 Nov. 18, 1835, viii. 134 ; on electro- 

 pulsations and electro-momentum, ix. 

 132 ; on the relative merits of magnetic 

 electrical machines and voltaic batte- 

 ries, X, 65, 



Stutchbury (S,) on various fossil remains 

 of Saurian animals, viii. 577. 



Suberic acid, viii, 443. 



Submaiine forest in Cardigan Bay, ii. 148, 

 241. 



Suboxide of lead, v. 79. 



Subterranean sounds, on the cause of, i. 

 221. 



Succinic acid and its combinations, vii. 

 238. 



Suffolk, on the crag-formation and organic 

 remains of, vii. 81, 353 ; on the geology 

 of, xi. 106 ; physical features and geo- 

 logical structure of, xi. Ill; geological 

 survey of, xii. 512. 



Sugar, its conversion into formic acid and 

 ulmin, vi. 399 ; crystallized, from the 

 juice of the cocoa-nut palm, x. 77 ; of 

 milk, on its fermentation, xii. 139. 



Sulphate of copper, action of hydrochloric 

 acid on, viii. 353 ; voltaic battery 

 charged with, x, 244 ; its use for ex- 

 citing voltaic electricity, xi. 145. 



Sulphates, action of muriate of ammonia 



on, vi, 235 ; of iron and copper, action 

 of oxalic acid on, ix, 155. 



Sulphindylic acid, x. 324. 



Sulpho-benzide and nitro-benzide, viii. 

 '257. 



Snlphomesitylates, xii, 100. 



Sulpho-methylic acid, salts of, vii. 397. 



Sulphonaphthalic acid, xi. 565. 



Sulphovinates and sulphomethylates, ac- 

 tion of ferrocyanide of potassium on, 

 xii. 102, 



Sulphur, detection of minute portions of, 

 vi. 399 ; vaporization of, viii, 189. 



Sulphureous springs (Nottington Spa and 

 Radipole Spa), analysis of, iii, 158, 



Sulphur et of nickel, form of, vi, 104 ; of 

 zinc and iron, vii. 79 ; of carbon, on 

 the preparation of, xi. 221 ; of azote, 

 xii, 134 ; of hme, on the, xi. 195. 



, metallic, on their employment in 



analysis, xii. 137. 



Sulphuric acid, manufacture of, iii. 115 ; 

 apparatus for freezing water by the aid 

 of, V, 377 ; its action on oils, ix. 153 ; 

 anhydrous, its action on some metallic 

 chlorides, x. 157 ; analogy of alcohol 

 and indigo considered in their combi- 

 nation with, X. 324 ; English, arsenic 

 in, vii, 235. 



and sulphurous acids, anhydrous, on 



a combination of, xi. 321. 



Sulphurous acid, action of, on the persalts 

 of iron, ii. 75 ; its action on steel, x. 

 235 ; its detection in hydrochloric acid, 

 ix, 543. 



Sun, remarkable phaenomenon that occurs 

 in eclipses of the, x, 230. 



Sun's rays, greater calorific effect of in 

 high than in low latitudes, vii. 182. 



Suspension-bridges, Hodgkinson on, i. 

 207. 



Sussex (H. R, H, the Duke of) address of, 

 at the anniversary meetings of the Royal 

 Society, iv. 127, x, 141 ; xii, 269 ; ad- 

 dress on the delivery of the Royal 

 medal to Sir J, F, W. Herschel, x. 213. 



Swainson (W.) on the genus Mitra, ix. 

 136. 



Switzerland, on an optical phaenomenon 

 seen in, ii, 452, 



Sykes (Col,), catalogue of birds from 

 Dukhun, ii. 230 ; on the geographical 

 distribution of birds, vii, 418; on the 

 geographical range of birds, vii, 493 ; 

 on the geology of Dukhun, ii, 304 ; on 

 the atmospheric tides and meteorology 

 of Dukhun, vi. 59 ; on the caves of 

 Ballybunian, viii. 574 ; on the Quails 

 and Ilemipodii of India, vii, 229 ; on 

 the measurement of heights, vii, 311. 



Sylvester (J. J.) on the optical theory of 

 crystals, xi. 461, 537; xii. 73, 341. 



