INDEX TO VOL. V. 



Achromatic Refractor of Dorpat, ac- 

 count of, 105, 385. 

 Acids, hyponitrous and sulphuric, on a 

 compound of, 181 — menispermic, 184. 



Adie, Mr., abstract of his Meteorological 

 Register for 1824 and 1825, 94— his 

 Quarterly Register of the Thermometer, 

 &c. 194, 385. 



/Etna, Mount, on an optical phenomena 

 observed on its summit, 227. 



Air, on the quantity of in river and canal 

 waters, 183. 



Air-Pump, on a new method of working 

 it, 1C8. 



Albemarle Island, volcano of, 212. 



Alcoholic blowpipe for producing intense 

 heat, 320. 



Alum, native, found in South America, 

 375. 



Arago, M. account of his new experiment 

 on magnetism, 325. 



Arts, useful, account of processes in them, 

 168, 339. 



Atmospherical phenomena, notice respect- 

 ing the rarer ones in 1825, 85. 



Attraction, local, of the plumb-line, 178. 



Aurora Borealis, on the sound which ac- 

 companies it, 74. 



Axletrees, account of new ones, 170. 



Axletrees, on improved ones, 340. 



Barlow, Professor, on magnetism deve- 

 loped by rotation, 2 1 4 — on the accelera- 

 tion in the rates of chronometers ob- 

 served by Mr Fisher, 224. 



Batavia, on the results of meteorological 

 observations made at, 268. 



Beaufort, Captain, on an earthquake felt 

 at sea, 222. 



Becquerel, M. on the electric effects of 

 contact, 305 — on a method of measuring 

 high temperatures, 3 Hi — on the phos- 

 phorescence of a remarkable stone, 3C7. 



Bell, Mr Charles, his supposed optical 

 discoveries refuted, 259. 



Bibliotheque Britannique established, 4. 



Blackadder, Mr, on the changes in mer- 

 curial thermometers, 47 — on a new re- 

 gister thermometer, 92. 



Blackadder, Mr, on an optical phenomena 

 observed on the summit of Mount ./Et- 

 na, 227. 



Bory de St Vincent, Col. on the genus 

 Homo, 33. 



Botany in Germany, on the state of, 350. 



VOL. V. >'0. II. OCTOBKK 1826. 



Boussingault, M. discovers mines of gold 

 and platina in Columbia, 323. 



Brewster, Dr, on the results of the hourly 

 meteorological register kept at Leitli 

 Fort, 18 — on a monochromatic lamp, 

 77, 78 — on the refractive power of the 

 two new fluids in minerals, 122 — on 

 the vision of impressions on the retina, 

 263. 



Brewstcrite, a new variety of found in the 

 Brisgaw, 180. 



Brunei, Mr, on a new power from car- 

 bonic acid gas, 108. 



Burning-glasses, on the powerful effects 

 of at great heights, 181. 



Carbonic acid gas used for driving ma- 

 chinery, 168. 



Carnac, description of the great temple at, 

 54. 



Cascade of lava, account of a singular 

 one, 378. 



Catechu, method of preparing it in In- 

 dia, 349. 



Caoutchouc, on the substances which ac- 

 company it, 184. 



Cavery river, on the temperature of, 256 

 — on the height of, 258. 



Celestial phenomena froni July 1st 1826, 

 to January 1st 1827, 192, 382. 



Cement, Vitruvian, 340. 



Ceylon, on the temperature of places in, 

 141. 



Charamai, a lake in the Himalaya moun- 

 tains, 277. 



Chasms, burning of Ponohohoa, 303. 



Christie, S. H. Esq. on the magnetism 

 of iron in rotation, 11 



Chronometers, rates of two made by Mr 

 French, 305. 



Chronometers, the acceleration of their 

 rates explained, 225. 



Cold, notice of the severe cold of January 

 1826, 243. 



Coldstream, Mr John, on the rarer atmo- 

 spherical phenomena of 1825, 85— 

 his Meteorological observations made ai 

 Leith, 190. 



Colombo, mean temperature of, 141. 



Combustion diminished by the JUTj'l 

 light, 180. 



Comets of 1772, 1825, and 1826, 178, 

 179, 364. 



(Jomptonitc found in Bohemia, 186. 



Contact, on the electric effects of, BO I 



C C 



