INDEX. 



ACADEMY, Royal, of Sciences, 

 labours of, 61. 



Acepliala, on, 110. 



Adams, J. on the direct method of finite 

 differences, 281 — mathematical pro- 

 blem by, 418. 



Aereolite, on, 149. 



Agave Americanutn, on, 233. 



Alkalies, new, on, 27, 68. 



Alphabetic writing, on the origin of, 

 362. 



Ambergris, on, 93. 



Ammonia, on the carbonates of, 36. 



Ammoniacal gas, specific gravity of, 

 174. 



Ampere, M. on the magnetic effects 

 produced by voltaic electricity, 453. 



Amphibia, on, 106. 



Anatomy, comparatire, on, 102. 



Andatusile, on, 71. 



Annulosa, on, 107. 



Apparalu:> for the analysis of organized 

 substances, 3. 



Arbogast, on the theory of, 188. 



Arctic expedition, on, 468. 



Arnica Montana, on ttie flowers of, 90. 



Arsenic, on, 13. 



Atmospherical phenomenon,CHrious,49. 



Atomic theory, on, 195, 289, 338. 



Aves, on, 105. 



Azote, specific gravity, of, 163. 



B, 



Banks, Sir Joseph, death of, 73. 

 Barlow, Mr. on magnetic attractions on 



shipboard, 294. 

 Barry, Mr. on pharmaceutical extracts, 



101. 

 Barytes, weight of atom of, 327. 

 Beaufoy, Col., astronomical, magne- 



cal, and meteorological observations, 



by, 76, 156, 236, 316, 396, 470— 



on the late solar eclipse, 277. 

 Benzoic acid, on, 227. 

 Bertier, M. on arsenical nickel, 100. 

 Berzelius, Dr. on boracic, phosphorous, 



and sulphuric acid, 20 — on wavellite, 



99. 

 Bismuth, on, 77. 

 Bleaching powder, on, 10. 

 Blood, on, 1 11 — on the component par(» 



«f, 379. 



Boase, Mr. on Rain-gauges, 177. 

 Books, new scientific, list of, 74, 154',. 



234,314,394,469. 

 Boracic acid, on, 20, 72. 

 Borkowski,on Egeran, 98. 

 Botany, on the progress of, 115. 

 Bouillon Lagrange, on nitric ether, 82, 

 Boullay, M. on menisperraic acid, 24 — 



on picrotoxia, 33. 

 Braconnot, on pyromalic acid, 23 — on 



the conversion of lignin into sugar, 



90. 

 Brande, Mr. on the composition and 



nature of coal gas, 380. 

 Brandes, M. on bucholzite, 70 — on an- 



dalusite, 71 — on peliom, 72. 

 Brewster, Dr. on tal)aslieer, 50. 

 Bridge, Bonaparte's, Fly, on the 



Scheldt, 269. 

 Brooke, Sir. H. J. on mesotype, needle- 

 stone, and thoinsonite, 193. 

 Brown, Mr. on the compositae, 118 — on 



the genus RaSlesia, 225. 

 Brucia, on, 30. 

 Brugnatelli, on the action of nitric acid 



on uric acid, 22. 

 Brunoniae, on, 120. 

 Bucholzite, on, 70. 



Buckland, Prof, on the geology of Ma- 

 dagascar, 58. 

 Burney, Dr. on the late solar and lunar 



eclipses, and on the planet Venus^ 



412. 



Cadmium, on, 17. 



Calculi from the bladder, new mode of 

 removing, 26S. 



Calomel, on the origin of the term, 309, 

 394, 426. 



Camphor, on, 89. 



Cancer Astacus, on the colouring mat- 

 ter of, 308. 



Cantharadin, on, 393. 



Carbonate of copper, anhydrous, on, 

 39. 



Carbonic acid gas, specific gravity of, 

 244. 



Carburetted hydrogen, specific gravity 

 of, 252. 



Carmine, on, 68. 



Carmichael, Mr. on the origin of alpha- 

 betic writing, 362. 



