INDEX. 



ACER campeitre, experiments on 

 the sap of, SH. 



Acetic acid, Ciimposilioii of, 174 — for- 

 mat inn of, ys. 



Actio iite, iisbistotis, analysis of, 'IS — 

 giern j;raiiular, analysis of, 'tl' 



Affiimy, rrceiu opinions rfs;irctiug, 2. 



Africa, new expediiioii to, ».'5i. 



Agau-;, eiiect of sulphuric iicid on, 396, 



Air in the sea at diU'erent depths, pro- 

 portion of ox J gen iii, 40. 



Air volcano, 73. 



Alkalies as poisons, S86^ 



Alcohol, com position of, 3^ . 



Amcric-4,(iuantity ofpaperu]adcin,S3S. 



Ammoiiia, 15. 



Amylate of lead, 2T2. 



Aneurism, nciv process for, 72. 



Angitica, archangelica, constituents 

 of, 397. 



Antinion.Y, as a poison, 38-1 — sulphuret 

 of, analjsis of, 21. 



Appennines, burning gas in, 74. 



Ardcii nia;ra, 455. 



Arragonit-, composition of, 44 — con- 

 firmed, 465. 



Arsenic, as a poison, ;J8j — tests of, 23 

 — found insiiljihuric ;icid, "-M. 



Arsenious.icid,solnbility of in water,29. 



Astronomical observations bv Col. Keau- 

 foy, 63, 121, 216, 289, ':i63, 443. 



Atomic theory, account of, 8. 



Atoms, weight of several, 305. 



Azote, whether a comi)ound, 14. 



Azotic gas, sulphureted, 17. 



Barday, Dr. on llie cells of bees, 142. 



Bar\ie», as a poiAon, 386. 



Ba.-'all, on, 456. 



Beaufoy, Col. ablronomical and maj;- 

 netical observations by, 63, 131,216, 

 289, 363, 443. 



Benzoic arid, composition of, 181. 



Bergeman, Mr. finds l'ru»>ic acid in the 

 bark of the pruniis padns, 28. 



Berger, Dr. on tlie geology of the north 

 of Ireland, 145, 149 — mincralogical 

 account of the Isle of Man by, 445. 



)}rr>l, schorlous, analysis of, 44. 



lier/cliuf, Ur. rpeculatioii» by, respect- 

 ing airinity, 4— ranons of, re»pecking 

 rombination, 11 — oxide)> analyzed 

 by, 17 — aoalvbis of a mineral water 

 by, 33 — anal\siii by, of npinell, 48 

 — experiments by, to determine the 

 ronipositionof organic b(><lie<,9^,174, 

 i!60— addrcis to rliemistk by, 122 — 

 sy<>teni of minernlopy by, 302. 



Birckbeck, on French ai!;i if iillure, 231. 



liiBmiilh, an a p<ii«on, 381. 



Hi>itre, what, -115. 



Bitter (par analyzed, 51 



l!l:ick, i)r. .Iiisrph, biographical cc- 



CUUIli (if, 3il, 



Rlanc, Mount, position of, 368. 



Blende, analysis of, 21. 



Blind and dumb, communication be- 

 tween, 153. 



Boa constrictor, ezcreroeuts of ana- 

 lyzed, 413. 



Bones, f.>>sil, 70. 



Bor-u'.ve, analysis of, 46. 



Brasiicaolcracea viridis,.itialysisof,36i 



Brewster, Dr. on llic depolarization of 

 light, 69— on the elfect of pressure 

 in n1akiugbodiespola1i2elig.it, 143. 



Bridlington liarhoiir, on a well in, 142. 



Brora in Suiherland, strata at, 71 — 

 coals at, wrought, 81. 



Brown, Captain, new shells found by 

 in Ireland, 152. 



Bncholz, Profes.sor, experiments by on 



tungsten, 20 — analysis by of Thibet 



cauulchoQC, 34 — analysis of schorl 



,by, 44^)f scborlous beryl, 44— of 



vitreous oxide of iron, 47. 



Bucklaiid, Mr. un a gruup of rocks in 

 Cumberland, 456. 



Bute, Abb", problem solved by, fiS. 



C. 



Cajepiit oil, 35. 



Calculus, urinary, of a horse analyzed, 

 41. 



Calcutta, weather at, 236. 



Calomel, improvement in the manufac- 

 ture of, 29. 



Cambridge, fossils found near, 149. 



Campsic hills, description of, 135. 



Cantharides, as a poison, 386. 



Caoutchouc of Thibet, analysis of, 34. 



Carbiin, sulphuret of, 16. 



Carbureted hydrogen gas, how detected 

 in coal mines, 332. 



Carriages, draught of, experts, on, JOT, 



Cancusus, height of, 233. 



Cells of bees and wasps, on, 142. 



Cerasin, what, 37. 



Cereiiellum, ou the use of, 310 — on the 

 structure of, 345. 



Cerile, analyzed, 50. 



Charcoal, eiiect of, on iron, 63 — on the 

 melalii/ation of, 237. 



Charts, naval, construction of, 227. 



Christison, Alex. Lsq. on Uuctiuns, 327. 



Chloric acid, 13. 



Cliloiine, experiments on, 13. 



Chrom.iles, 31. 



Citric acid, comp«sition of, 93, 



Clinometer, I4fi. 



Coal, on the origin of, 141. 



Coloured rings, on, 387. 



Colours used by the ancients, 307. 



coinplimeiuury, prndiicliun of 



by the successive retlcction of pola- 

 rized light from gold and silver, 465. 



C'olyuibus (miner, on the, 141, 



Coiifigliachi, l'rol'e^^or, on the oxygen 

 in tlie air of sca-watcr ut diOVrriit 

 Ufplh.i, 40, 



