E.

Earthquakes of 1811 and 1812, [93].
Eaton, (Mr. Amos) on New-England geology, [69]
—on Southampton level, [136].
Elliott (Stephen, Esq.) [5].
Engine, (Steam) its importance, [7].
Exoglossum (a freshwater fish) [155].

F.

Falls in Connecticut river, [111].
Favosites, [389].
Fish, impressions of, [110].
Fisher, (Prof.) his essay, &c., [9], [179].
Flame, how affected by steam, &c., [401].
Flint, [225].
Floral calendar of the United States, [76]
—Plainfield, [254]
—Deerfield, [359].
Floerkea, genus, [373].
Fluor Spar, [49-52].

G.

Galvanism, Dr. Hare's discovery in, [413].
Gambold, (Mrs.) on the Cherokee plants, [245].
Gas, (Oxygen) respiration of, [95].
Gases, (Inflammable) in Ohio, [49].
Guadaloupe, minerals from, [237].
Gelatine, how obtained from bones in Paris, [170].
Geological society, (American) [442].
Geology and mineralogy of Virginia, &c., [50], [317]
—New-England, index of, [59]
—Deerfield and vicinity, [107]
—Indiana, [131]
—Antigua, &c., [140]
—introduction to the study of, [50].
Gibbs, (Col. George) on gunpowder, [87]
—on light and magnetism, [89], [207]
—on tourmalines, &c., [346].
Gill, (Mr. Thomas) his new lamp, [207].
Gnaphalium, new species of, [380].
Gneiss, [339].
Gorham, (Prof. John) elements of chemistry, [434].
Granite, [237], [339], [437].
Grammer, (Mr. John) on coal mines of Virginia, [125].
Graphite, [237].
Grindstones, [62].
Gunpowder, its force, how increased, [87].
Gypsum, [62], [211], [245].

H.

Hard carbonate of lime, [63].
Hare, (Dr. Robert) his blow-pipe, [97]
—on Woulfe's apparatus, [411]
—his calorimotor, [413]
—theoretical views, [434].
Harrodsburg salts, analysis of, [403].
Hayden, (Dr. H. H.) on new minerals, [244], [306].
Heat and light, new mode of producing, [91].
Herpetology, Thomas Say on, [256].
Hitchcock, (Mr. Ed.) on Deerfield, &c., [105]
—disruption, [286]
—supplement, [426].
Hoboken, carbonate of magnesia at, [54].
Hematite, brown, [236].
Hornstones, [62], [225].

I.

Ice, (Greenland) [101].
Indiana, geology of, [131].
Insect, destructive, [328].
Intelligence, botanical, [435].
Iron ores, [50], [62], [438].
Ives, (Prof. Eli) on limosella, [74]
—asclepias, [252]
—the potato, [297]
—gnaphalium, [380].