INDEX. 
Flioric acid. Davy on, 73, 408 
Fiuoric compounds. Davy on, 13 
Forster’s meteorclog. observ. 78, 155, 
235, 319, 488; systematic arrange- 
ment of colours, 1195 32 
Fossils at Brentford, 76 
Frigorific processes, 73, 117, 282, 424 
Gait en the fine arts, 81 
Galvanic batiery. Children’s, 144 
Galvanism, 476, 479 
Gazxeous ewxide of carton. Componenis 
of, 172 
G@eology, 15, 53,91, 103, 121, 164, 
923,23 i, 246, 356, 395,597, 482 
Geological society, 895, 482 
Germination. On, £08 
Greenwich, observatory, 8 
Hail’s models of the Peak in Derby- 
- shire, 118 
Heat, air, and moisture. Relations of, 
a4 
Heat developed in combustion. On, 296 
. Honey. Exper. on, 313 
Hooping cough. Specificfor, 313 
Hydrogen. On combustions of with 
oxygen and sulphur, 159; an oxide 
of ammonium, 270 
Hydropholia cured, 194 
Hydrotheic acid. On, 265 
Hygrometric experiment, 44 
Hiygroscopical experiment, 44 
Imperial Institute of France, '74, 142 
India. Progress of vaccination in, 
134; climate and diversions in, 284 
Jonian islands. Antiquitiesin, 224 
Isle of Wight. Geology of, 395, $97 
Java. Lake of sulphuric acid in, 
127, 182 
~ Jones (Wm.) on periscopic glasses,464 
Jones's (T,) sectograph, 401 
Laplace's Méchanique Céleste. On,3 
Lapland. Geology of, 231 
Lead. Brown oxide of, 35 
Learned societies, 73, 392, 479 
Lectures, 151, 232, 497 
Lescherault on lake of sulphuric acid, 
127, 182 
Light. Some properties of, 286; 
new theory of, 418 
Lime. Analyses of, 138 
ied magnesian. Quere. 189 
ink on anatomy of plants, 276, 390, 
466 
Leslie's atmometer, &c. 44 
Mugnesia. On use of, * Say 
Magnesian limestones. Inquiry re- 
specting, 189 
Marcet on cold by evaporation, 73 
Maskelyne (Dr.) memoirs of, S 
491 
Massacre of a ships crew, 315 
Méchanique Céleste. On supposed 
error in, 88 
Meteorology, 78, 80, 155,160, 235, 
- 240, 319, 320, 400, 488 
Moisture, air, and heat, Relations of, 
44 
Molyldic acid. Components of, 381 
Muriate of ammonia. | Analyses of, 
40, 181 
Muriate:, components of, 138, 177 
Muriauic acid, Constituents of, 139 
Muscular motion. On, S94 
Mushroom. intoxicating power of, 
S14 
Naphiha, Tleat evolved in burning, 
296 
Navigation. Advantage of time- 
keepers to, 241 
Nitrates and sulnitrates. Components 
of, 441, 447, 452, 459 
Nitric acid, an oxide of ammonium, 
270 
Nitrogen. A prize question, 1453 
an oxide of ammonium, 270 
Normal analyses of sulphuret of sil- 
ver; protoxide of silver; muriate 
of ditto, 177; muriate of protoxide 
of lead, 178; muriate of barytas 
carbonate of baryta; sulphate of 
baryta, 179; hydrogen; protoxide 
of ammonium; ammonia; nitro- 
gen; nitrous oxide or protoxide 
of nitrogen; nitrous acid; nitric 
acid; water, 270; carbonates of 
lime and of soda, 372; super-car- 
bonate of soda, 372; phosphorous 
acids and phosphates, $73; arsenic 
acids, arsenjtes, and arseniates,375 ; 
tungstic and molybdic acids, 381; 
muriatic and hyper-oxymuriatic 
acids, $82; nitric acid, 440; ni- 
trates, 441; subnitrates, 447; ni- 
trites, 452, 459 
Norway. Geology of, 231 
Ouseley on Persia, 422 
Oxygen combined with hydrogen, 139 
Oxygen. Products of with ammo- 
nium, 270 
Paleopolis. Site of, 224 
Patents, 76, 151, 318, 399 
Periscopic spectacles. On, $87, 464 
Persia. State of, rf 422. 
Philosophy. A history of, 230 
Phosphate of baryta ; of protowide of 
lead, components of, 373 
Phosphorous acids, Laws respecting, 
378 
Photometric experiments, 44 
