INDEX. 
—— 
BERRATION of light, on the 
A maximum of, 377. 
Acidification, new theory of, 285— 
defence of, 125. 
Acids, combinations of, with oxygen, 
1, 45,9- 
Adam, Dr., onthe geology ofthe Ganges, 
379. 
Adams, J. Esq., mathematical problems 
by, 188. 
Africa, expedition to explore, 145. 
Air, specific gravity of, 339. 
Alcohol, vapour of, elasticity of, 216— 
latent heat of, 218. 
America, scientific expeditions in, 144, 
Aldini, Prof., on gas light, <19. 
Amidine, 67. 
Ammobtiacai vapour, latent heat of 218. 
Amphibia, on the urinary organs and 
secretions of, 209. 
Annular eclipse in the thirteenth cen- 
tury, on,475. 
Anthemis pyrethrum, on, Ixix. 
Anthrazothionates, 40. 
Anthrazothionic acid, on, 39, 89. 
Antimony, specific heat of, 167. 
Approphere, fall of stones from, in 
Italy, 228—lunar, 384, 
Aurora Borealis in Sunderland, 71. 
Azote, protoxide of, on, xxxii—sul- 
phuretted, on, xxxii, 
B. 
Pr Mr., on the solution of pro- 
blems relating to ganies of chance, 67 
—on infinite series, 377. 
Eabbington, 8. Esq., on the geology of 
the country between Tellicherry and 
Madras, 378. 
Bain, Mr., on the attraction of the mag- 
netic needle by the ship, 219. 
Barclay, Dr., on the causes of organiza- 
tion, 136. 
Barometrical measurements, influence 
-__ of the time of the day ouj 197. 
Bastard, Mr., on.the extraction of roots, 
220, * 
Beaufoy, Col., astronomical, magneti- 
cal, and meteorological observations 
by, 76, 154, 236, 318, 396, 476. 
Beche, H. D. De la, Esq., on the south 
coast of Dorset and Devon, 379. 
Bergamot, oil of, action of alcohol on, 
Ixvili, 
Berzelius, Prof., new mineralogical 
work by, 317—discovery of selenium 
by, 401, 
Vou. XIII. 
Beudant, M., on mineral species, ap 
Bilberry, juice of, on, Ixix. ‘ 
Binomial theorem, new deibualratons 
of, 364. 
Bismuth, on, xxxix—mielting point of, 
223. 
Blennius, 134. ‘ 
Blue, prussian, action of starch on, 68, 
Bombay, te mor of, 145—popula- 
tion of, 14 
Bonnycastle, C. Esq., on the pressures 
sustaining a heavy body in equili- 
brium when more than three, 307. 
Borax, method of purifying, Lxi. 
Brande, Dr. Rodolph, analysis of Fassa 
celestine by, 232, 
Brass, on, xxxix. 
Brews ster, Dr., on the action of crystal- 
lized surfaces on light, 306, 
Brinckley, Rev. Dr., onthe parallax of 
certain fixed stars, 208—on’ the obli- 
quity of theecliptic and the maximum 
of the aberration of light, 377. : 
Bota T. Esq., on the Irish testacea, 
Brugnatelli, Prof. Luigi, death of, 235. 
Bucholz, Prof., death of, 72. ‘ 
Buckland, Rev. +) on the geological 
structure of the south-western coak 
district of England, 221. 
Burney, Dr. W., on parhelia, 443—mes 
teorological journal kept by, at Gos- 
port, 447, 
C. 
Cadmium, on, xxxii, 108. ; Bs 
Calculi, animal, on, Ixxv. 
Caloric, new researches on some of the 
leading doctrines of, 214. 
Camphor, on, Ixvii. 
Cape Breton, temp. at, 389. 
Carapa, oil of, on, I xviii. 
Cartlane graig, remarks on, 136 
Celestine, from Fassa, in the Tyrol, 232, 
Ceylon, on the geology and mineralogy 
of, 141. 
Chalk cliffs of France opposite Dover, 
on, 141. 
Chemical sciences, improvements in, for 
1818, ix. 
Chenopodium olidum, on, xix, 4 
Choulant, M., on morphia, 153—on 
meconic acid, 230. 
Chuck, new, for a lathe, by Mr. Bell, 
143. 
Chyle, properties of, 22. 
ea phenomena of, 1d. 
