Index. 
Fat, formation of, in the tadpole, 467. 
Fermentation, query respecting a mode 
of stopping, 165. 
Figuier, M. on the precipitation of 
gold, 29. 
Flame, experiments on, 151, 337. 
Fluosilicates, analysis of, 75. 
Fluate of cerium, 160. 
Fluate of yttria, 160, 
Fly, structure of the feet of, 464. 
Formic acid, on the composition of, 107. 
Fossil, remarkable, account of, 342. 
France, height of different places in, 
above the level of the sea, 246, 
Fresnel, M. on thediffraction of light, 4. 
Fuchs, Professor, on gehlenite, 70. 
Gadolinite, analysis of, 75, 81. 
Galton, Samuel, on canal levels, 177, 
Garnet, analysis of, $1. 
Gas from coal, 25, 
Gaseous bodies, relation between their 
specific gravity and the weights of 
their atoms, 16. 
Mases, ou the absorption of, by liquids, 
12—specific gravity of, 16—in the 
intestines of a healthy mau, 57—new 
method of taking the specific gra- 
vity of, 326. 
Gay-Lussac, M. crystallization of lime, 
by, 14—on the compounds of azote 
and oxygen, 15—on the dilatation of 
liquids, 9, 476—on the heat evolved 
by combination, 2l—on the compo- 
sition of alcohol and ether, 28—on 
oxides of iron, 3l—on uric acid, 40 
—new portable barometer, by, 84, 
Gazometer, improved, 6, 
Geesh, 31. 
Gehlen, Mr. on the preparation of 
arsenical gas, 26—on glas:, 33. 
Gehlenite, 70. 
Geiger, Mr. on the effect of air on crys- 
tallization, 13. 
Geognosy, improvements in, during 
1816, 82. 
Geological Society, meetings of, 395. 
Gilby, Dr. on the geology of South 
Wales, 114—on the rocks near Bris- 
tol, 470. 
Glass, manufacture of, 33, 
Gluten, how separated from starch, 51. 
Gmelin, Dr. Leopold, on the union of 
iron and boron, 24—on borates, 48 
—on iolite, 69. 
Gold, precipitation of, by alkali, 29. 
Gosport, meteorological table at, 184, 
Grammatite, analysis of, 81. 
Crassman, Mr. on the action of tannin 
on mucilage, 53. 
Gray, Mr. improvement in the oxy- 
hydrogen blow-pipe, by, 479. 
Grierson, Dr. on the Giant’s Causeway, 
118, 
Grindel, M, on an explosion by means 
of brown oxide of lead, 31. 
493 
Grotthus, Theodore Von, on the phos- 
phorescence of reddish violet fiuor 
spar, 17. 
Guibourt, M. on the combination of 
mercury with oxygen and sulphur, 30, 
Gun barrel, bent, experiments with, 403, 
Hannibal’s softening the rocks with 
vinegar, explained, 328. 
Harvey, Mr. George, on the calculus 
of variations, 445. 
Hatchett, Mr. on destroying must in 
grain, 149, 
Haiiy, M. on the electric properties of 
some minerals, 59. 
Heat, dilatation of bodies by, 18—on 
the chemical phenomena of, 421. 
Heaton, Mr. meteorological journal at 
Lancaster, by, 215. 
Hersche), Mr. ou exponential functions, 
A62. 
Heuland, Mr. sale of minerals, by, 409. 
Hisinger, Mr. analysis of minerals, 78. 
Holland, Dr. manufacture of sulphate 
of magnesia near Genoa, 466. 
Holland, New, queries respecting, 165. 
Home, Sir Everard, physiological ob- 
servations, by, 88—description of 
fossil bones found at Plymouth, by, 
323—on the feet of animals that walk 
against gravity, 464—on the forma 
tion of fat in the intestines of the 
tadpole, 467—on the passage of the 
ovum into the uterus, 468—on ren- 
dering the use of the colchicum au- 
tumnale milder, 468. 
Hoofs, constituents of, 55, 
Horn, Mr. Andrew, on magnetism, 137. 
Horner, Mr. formulas by, for finding 
the heights of mountains, 251—on 
cubic equations, 378, 
Horns, constituents of, 55. 
Horsfield, Dr. on the oopas tree of 
Java, 202. 
Howard, Mr. Luke, anthelion ob- 
served by, 411 — meteorological 
tables by, 173, 175, 255, 335, 415, 
A489. 
Humboldt, Mr. on the plants of South 
America, 87. 
Hungary, temperature of, 146, 
Hydrogen decomposes oxide of iron at 
all temperatures, 31. 
Hydrurets, metallic, 5. 
Hygrometer, new, description of, 313, 
Hypophosphorous acid, 35, 
Jamieson, Sir John, on a peculiarity 
in the ornithorincus paradoxus, 325, 
Java, oopas tree of, 202, 
Ice at the bottom of rivers, on, 466. 
Increaser of electricity, 394. 
India, proposed mineralogical survey 
of, 164, 
Indigo, action of phosphoric acid on, 40. 
Institute, French, labours of, 155, 235. 
