INDEX. a 471 
Walker on, $64; electric column, Learned societies, 69,154, 227, 805, 385, 
414 457 
Englefield’'s transit instrument, 1; on Leeches. Mechanical substitute for, 268 
cubic numbers, 63 Light. Decomposition of, denied, 1935 
Evans (Rev- Mr. L.) on « polaris, 446 
Explosion of the Felling colliery, 71 
Eyres on mathematical analyses, 177 
Furey on gcvlogy, 27, 119, 182, ma 
32 
Fat. On formation of, 35 
Fever at Gibraltar. Account of, 72 
Fisher on iodine, 211 
Fluoric principle. On the, 154 
Forster's. meteorological nettces, 26, 77, 
157, 238, 318, 398, 468 
Fossil human skeleton, 155, 232 
Fossil shells, 482; quadrupeds, 433 ; 
birds and fishes, 434; insects, ma- 
drepores, vegetables, 435; bones, 453 
Freexing, Experiments on, 458 
French Measures and Weights, Y 
Gall, ox, to refine, for painters, 350 
Gallvis on the principle of life, 465 
Garden on iode, 209 
Gay-Lussae on formation of alcohol, 
192 
Gems, to ascertain soundness of, 233 
Geological changes, 436 
Geology. Farey on, 27, 119, 182, 2523 
De Luc on, 127 
Greece. Travels in, 311 
Grooly on Englefield’s transit instru- 
ment, 105 
Groombridge on atmospheric refrac- 
tion, 306 
’ Hargreaves on colours, 197 
Haussman on assaying, 439 
Heat developed in condensation, 64 
Heat. On supposed evolution of, from 
vegetables, 208; on effects of, 460 
Heliometer. Rochon’s, 461 
Hereditary diseases. On, 454 
Herschel. Ou the heavens, 221, 230 
Hindoo oxidation of, silver, for medi- 
cine, 386 
Home on formation of fat in intestines, 
35 ; on injuries of the brain, 387: on 
fossil bones, 453 
Howldy on electric column, 241, 368 
Huler on caterpillar, 296 
Hughes's improved gudgeon, 321 
Hydro-pneumatic Lowpipe, 280 
James’s sofa, 451 
Ibhetson, Mrs.on air-vessels in plants,$1 
Igneous theory,-combated by De Luc, 
1s7- 
Imperial Institute of France. 230, 307,453" 
Iode. To obtain, 57; account of, 58, 
69, 141, 209, 210, 211, 270 
_dodine. 
Davy on, 457 
"Kidd on production of nitre, 458 
Harwanian society, 389 
remarks on, 459° 
Light and colours. Brewster on, 154, 
306, 385, 387 
Liquids. On expansion of, by. heat, 460 
Linnean Sociely, 388 
Madeira house. Account of, $79 
Magnesian limestone, 389 
Mathematical papers, 63, 107, 177 - 
Measures. The French, th 
Meteor, Fiery, seen, e 26, 303 
Meteoric stones. Catalogue of, 448 
Meteorology, 26, 71, 76, 157, 160, 238, 
318, $98, 450, 468 
Mill-work. Improved gudgeon, 321 
Mineralogy, 480 
Minerals. On assaying, 439 
Montigre on earth-worm, 396 
Mother ofpearl, Brewster on, 306, $85 
Muriatic acid, Berzelius on, 45 
Murray .on discoloration of silver by a 
boiled egg, 62; on electrical and 
chemical terms, 175; on iode, 270 
Mushrooms. Vauquelin on, 292 
Nashon origin of atomic theory, 54 
Nautical Almanac. Errors in, 378, 407 
ae Zealand flax cultivated in France, 
315 
Nitrates and nitrites of lead, 262,341,401 
WNitre. On production of, 458. 
Ophthalmia. Adams on, 1s 
Ovalic acid, not formed by alcohol ‘and 
sulphuric acid, , i 200 
Ox gall, to refine, for painters, $50" 
Oxygen gas apparatus for cases of sud~ 
pended animation, 190 
Oxygen the measuring standard of the 
component parts of all combinations, 
249 
Padlury’s wheel-cuard, 323 
Paganel on Chinese empire, 352 
Painters. Ox gall for, 350 
Paintings in oil, to preserve, 366 
Park cn phenomena of sleep, 137 
Paste from potatoes, 302 
Patents, 73,157, 233, 397 
Peai’s temporary rudder, 419 
Pholtogen, 23, 101 
Planets, Matter in the, 307 
Pompeii. Excavations at, 912, 390 
Potassium, to prepare, in considerable 
quantity, 457 
Precious stones, to test, 233 
Prize question, $88 
Reade on incident light, 193 
Rectification of alcohol, 272 
Refrigeration. On, 458 
Respiration, Interesting experiment on, 
367 
