Part 16

Gold coinage in the United States, xx, 403. ----, amount deposited at the mint of the U. States, xx, 404. ----, an alloy imitating, x, 384; xiv, 371. ----, alembic for distilling amalgam of, _M. F. Maury_, xxxiii, 66.^f ----, new cyanide of, xlviii, 191. ----, fulminating, ii, 350; xlviii, 192. ----, medical uses of, xvi, 385. ----, method of refining, xvii, 177. ----, mosaic, xiii, 174. ---- oxides, purple of Cassius, ii, 350; xx, 192; xxviii, 145; xlviii, 192. ----, native, in Canada, _F. H. Baddely_, xxviii, 112. ----, ----, at New Fane, Vt., xii, 177; xxii, 63. ----, ----, in Maryland, xvii, 202. ----, ----, in Virginia, in talcose slate, _H. H. Hayden_, xx, 164. ----, ----, ----, account of mines and region, _B. Silliman_, xxxii, 98. ----, ----, ----, Moss and Busby's mines, _B. Silliman_, xxxii, 99. ----, ----, ----, Culpeper mine, _B. Silliman_, xxxii, 117, 185. ----, ----, ----, Louisa county mines, _B. Silliman_, xxxii, 126. ----, ----, ----, Fauquier and Culpeper Co. mines, _B. Silliman_, xxxii, 127. ----, ----, ----, large masses of, _B. Silliman_, xxxii, 101. ----, ----, ----, experiments on different varieties of rock containing, _B. Silliman_, xxxii, 105. ----, ----, ----, U. States mine near Fredericksburg, _M. F. Maury_, xxxii, 325. ----, ----, ----, ----, ibid, mode of working and yield, xxxii, 183. ----, ----, in Carolina, miscellaneous notices of, iii, 3; xvi, 360; xvii, 400; xlviii, 398. ----, ----, ----, large masses of, ix, 9. ----, ----, ----, _D. Olmsted_, on the mines of, ix, 5; xiv, 237. ----, ----, ----, remarks on mines of, _C. E. Rothe_, xiii, 201.^f ----, ----, ----, miscellaneous notices of the geology of the region of, _E. Mitchell_, xvi, 1.^f ----, ----, ----, on the nature of deposits, _F. L. Smith_, xxxii, 130. ----, native, of the Carolinas, in talcose slate, _A. Eaton_, xviii, 50. ----, ----, in Georgia, mines of, _W. Phillips_, xxiv, 1.^f ----, ----, ----, ----, washing for, xxiv, 14.^f ----, ----, ----, remarks on, xxxiv, 397. ----, ----, ----, analysis of, _W. W. Mather_, xxvii, 255. ----, ----, ----, western North Carolina and eastern Tennessee, geological account of districts, _J. Peck_, with a map, xxiii, 1.^f ----, ----, region of the U. States, xxvii, 348. ----, ----, yield of branch mines of U. States, xxvii, 350. ----, ----, of Mexico, in a rock equivalent to that containing the gold of the Carolinas, _A. Eaton_, xx, 124. ----, ----, mines of Brazil, yield of, xx, 403. ----, ----, in France, xl, 216. ----, ----, in Russia, annual yield, xvii, 406; xx, 402; xxi, 372. ----, ----, ----, in the Ural, deposit, ix, 183; xxviii, 395; xlvi, 211. ----, ----, ----, mines of Tobolsk, xvii, 25. ----, ----, a mass of twenty-five lbs., from the Russian mines, xii, 384. ----, ----, large mass of, found in N. Carolina, ix, 9. ----, ----, large masses of, in Virginia, _B. Silliman_, xxxii, 101. ----, ----, table showing the amount yielded by mines, xx, 401. ----, ----, containing rhodium, from Mexico, xi, 298. ---- coins, wear and tear of, throughout the world, xx, 402. ---- coinage, in the United States, amount of, xx, 403. ---- leaf, the blue color of transmitted light, _Dupasquier_, xlix, 391. ---- ----, adhering through electrical attraction, v, 198.

Goniometer, reflecting, improvement suggested by _A. Eaton_, xx, 158. ----, ----, simplification of Wollaston's, _R. Graves_, xxiii, 75.^f ----, ----, new mode of adjusting, xlvi, 372.^f

_Gonord_, a mode of enlarging an engraving on a copper plate, ii, 342.

Good Hope, Cape of, geology, scenery, &c., G. Champion, xxix, 230.

_Goode, W. H._, the daguerrotype and its applications, xl, 137.

_Goodrich, C. E._, notice of a peculiarity in vision, xiv, 264.^f

_Göppert, H. R._, views on the lapidification of vegetables, xxxiii, 109.

_Gorham, J._, a new work on chemistry announced, i, 434; iii, 331.

_Gorton, T._, some properties of a rampant arch, xxvii, 303.^f ----, on railroad curves, xxvii, 131.^f ----, turnouts in railroads, xxviii, 248.

Goshen minerals, ix, 21.

Goshenite, xlvii, 350. ----, _C. U. Shepard_, xlviii, 174, 176.

Gossamer spider, xvi, 399.

_Gould, A. A._, Report on the invertebrate animals of Massachusetts, xli, 378. ----, on zoological nomenclature, xlv, 1.

_Gould, D._, direct demonstration of the binomial theorem, xix, 50. ----, rational expression for sines, tangents and secants, xxii, 392.

Graduating instrument, new, iv, 398.

_Graham, T._, on the constitution of salts, xxxv, 300. ---- on Dumas's law of substitutions in chemistry, xxxviii, 114.

_Graham, Maria_, on the rise of the coast of Chili, xxviii, 237.

Grains, cereal, analyses of, _C. T. Jackson_ and _A. A. Hayes_, xiv, 339.

_Grammer, J._, coal mines near Richmond, Va., i, 125.

_Granger, E._, vegetable impressions on the rocks of the coal formation at Zanesville, Ohio, iii, 5.^f

Granite, artificial, xxiv, 205. ----, durability of, as compared with marble, xv, 168. ---- of Northern America, xvii, 1, _et seq._ ----, in Canada, origin of, _R. H. Bonnycastle_, xxx, 246. ---- intermixed with a fossiliferous limestone at Cataraqui, xviii, 104. ---- in Nova Scotia, xv, 206. ---- in New Hampshire, veins of, _O. P. Hubbard_, xxxiv, 123.^f ----, ----, porphyritic, vi, 10. ----, in Massachusetts, viii, 4; xxii, 14. ----, ----, graphic, i, 138; vi, 16; vii, 22.^f ----, ----, porphyritic, viii, 4. ----, ----, pseudomorphous, vi, 17; vii, 22.^f ----, ----, veins of, _E. Hitchcock_, vi, 13. ----, ----, ----, _C. Dewey_, viii, 4. ----, ----, ----, _E. Emmons_, viii, 250.^f ----, ----, ----, in mica slate, viii, 5.^f; xxvii, 344. ----, ----, ----, in granite, _A. Nash_, xii, 261.^f ----, ----, ----, in syenite, vi, 14.^f ---- in the Connecticut valley, vi, 1, _et seq._ ---- in Connecticut, graphic, ii, 204, 240. ---- in Pennsylvania, viii, 237. ---- in Vermont, at Bellows Falls, Vt., vi, 11. ---- quarry at Port Deposit and elsewhere, Maryland, xxvii, 19, 20. ---- in Italy, secondary, vii, 186. ---- at Christiana, Norway, xxxiv, 204. ----, views of _C. Lyell_ on, xxxiii, 116. ---- sometimes metamorphic, _J. D. Dana_, xlv, 108. ----, means of polishing, viii, 185. ----, polishing of, in India, iv, 246.

Granitogeny, a poem, v, 283.

_Grant, H. A._, a week among the glaciers, xlvi, 281.

Graphic granite in Massachusetts, i, 138; vi, 16; vii, 22.^f ---- ---- in Connecticut, ii, 204, 240.

Graphite, conversion of cannon balls into, iv, 178. ---- in coal-gas retorts, vii, 380. ----, formed by pressure, xlix, 227. ----, fusion of, by galvanism, vi, 341. ---- of Sturbridge, Mass., xviii, 377. ---- of Worcester, Mass., probable age of, _C. Lyell_, xlvii, 214. ---- of Wake, N. Carolina, notice of, _D. Olmsted_, xiv, 243. ----, mode of working mine of, at Borrowdale, xxxi, 177. ---- of Ticonderoga, vi, 178. ---- at Mount Dunderberg, N. Y., v, 29. ----, for chronometers instead of oil, xviii, 179. ---- in Maine, x, 17. ---- in New Hampshire, ii, 241; vi, 245. ---- in Massachusetts, vi, 248; viii, 54; x, 18; xviii, 377; xxii, 47. ---- in Connecticut, i, 239, 354; ii, 238; viii, 259; xxxiii, 164. ---- in New York, i, 237; iv, 48; v, 29; vi, 178; ix, 41; xix, 224; xl, 75. ---- in New Jersey, v, 246. ---- in Pennsylvania, x, 220; xiv, 10, 14. ---- in Maryland, xviii, 80. ---- in the Carolinas, iv, 53; v, 263, 264, 407; xiv, 243. ---- in Canada, viii, 74. ---- battery, _B. Silliman, Jr._, xliii, 393; xliv, 180.^f

Graptolites, remarks on, xlvii, 370.^f

Grasshopper's leg a substitute for frogs in galvanic experiments, _J. W. Bailey_, xxxi, 292.^f

Grasses, the importance of, to man, _W. Darlington_, xli, 365.

Gratiola micrantha, v, 287. ---- missouriana, x, 258.

Gravel, singular deposit near Troy, _A. Eaton_, v, 22.

_Graves, R._, a gelatinous meteor, ii, 335. ----, on a simplification of Wollaston's goniometer, xxiii, 75.^f

Gravity, specific, on the means of taking, _R. Hare_, xi, 121.^f ----, ----, of various minerals, _Breithaupt_, xxxi, 268. ----, varying in its action, leading to errors in determinations of the earth's figure, xv, 172.

_Gray, A._, botanical excursions to the mountains of N. Carolina, xlii, 1. ----, notices of European herbaria, especially those interesting to American botanists, xl, 1. ----, selections from the correspondence of Cadwallader Colden, xliv, 85. ----, synonymy of several North American plants of the Orchis tribe, xxxviii, 306. ----, remarks on vegetable fecundation, xxxi, 308.

Grease of wines, xxii, 192.

Greece, modern and ancient, notices of, _S. G. Howe_, xviii, 250. ----, remarks on the antiquities of, and the efforts to preserve, xxxvi, 192. ----, Grecian Archipelago, iron, rutile, serpentine and heavy spar in, xxxi, 175. ----, model farm in, xix, 193.

Grecian University at Corfu, ii, 348.

_Green, H._, vegetable organography and physiology, xxxviii, 49.

_Green, Jacob_, air lamp, inflammable, ii, 330.^f ----, blowpipe, new, iv, 164.^f ----, crystallization instantaneous, instance of, iii, 93. ----, ---- of snow, ii, 337.^f ----, petrified tree near Chitteningo, New York, v, 251. ----, rattlesnake bones, curious fact concerning, iii, 85. ----, trilobites, notice of a monograph on, xxiii, 395. ----, ----, new, xxv, 334. ----, ----, structure of, &c., xxxvii, 25.^f ----, ----, genus Paradoxides of _Brongniart_, and on the genus Triarthrus, xxxiii, 341. ----, ----, Calymene Rowii, xxxiii, 406. ----, ----, Calymene bufo, note on, xxxviii, 410. ----, ----, Asaphas diurus, xxxvii, 40.

_Green, James_, barometer and other instruments, construction of, xxvii, 292.

Green, Schweinfurt's, preparation of, vii, 386.

Green malachite, see _Malachite_. ---- earth in Massachusetts, i, 113. ---- paint, a new, for artists, xxviii, 148. ---- sand in France, viii, 217. ---- ---- in New Jersey, see _Cretaceous_.

Greenland, east coast, formerly inhabited by Europeans, xv, 166. ----, subsidence of the coast of, xxx, 379. ----, rocks and country of, xvii, 14. ----, population of, iii, 384. ----, ice, i, 101.

Greenstone in Western Massachusetts, viii, 9. ---- of Nova Scotia, xiv, 305. ---- of the Connecticut valley, account of, _E. Hitchcock_, vi, 31, 44. ----, junction of with the sandstone, vi, 47. ----, columnar, Connecticut valley, vi, 53. ----, degradation of, vi, 55. ----, dikes of, Connecticut valley, vi, 47, 56. ----, see further under _Trap_.

Greek conjugations, _J. W. Gibbs_, xxxvii, 112. ---- correlatives, _J. W. Gibbs_, xxxiv, 337. ---- fire, _J. Cutbush_ on, vi, 302. ---- verbal roots in English, _J. W. Gibbs_, xlv, 284.

Grevilleanum serratum, xi, 183.^f

Greystone, characters of, xv, 32.

_Griffith, Mary_, on the halo which surrounds all bodies, xxxviii, 22.

Grindstones of Nova Scotia, xv, 148; xxx, 338.

_Griscom, J._, on botanical fêtes in France, ix, 154.

_Griswold, C._, submarine explosion, ii, 94.

_Gronovius, J. F._, letters from, to C. Colden, xliv, 85.

Grooves in rocks, see _Scratches_.

Grotto del Cane, xxiv, 244.

Grove's voltaic battery, xxxviii, 116. ---- ---- ----, experiments with, _S. F. B. Morse_, xlv, 390.^f ---- ---- ----, on the use of carbon in, _B. Silliman, Jr._, xliii, 393; xliv, 180.^f

Groves of evergreens, their value near gardens, &c., xxii, 158.

Growth of wheat, on the acceleration of, _G. W. Hall_, xxxi, 345. ---- of timber, xxiv, 391.

Guaco, notice of, xxii, 182. ----, medical virtues of, confirmed, _W. R. Johnson_, xxvii, 171. ----, remedy for hydrophobia, _W. R. Johnson_, xxiv, 279. ----, note on, xxiv, 388.

Guadaloupe fossil human skeleton, description of the skull of, _J. Moultrie_, xxxii, 361.

Guano, remarks on, _J. E. Teschemacher_, xlvi, 203. ----, account and analysis of, xlviii, 181. ----, change in bones in, _R. Warrington_, xlix, 391. ----, xanthic oxide in, xlix, 200. ----, xanthine in, _Unger_, xlix, 391.

_Guillemin, J. B. A._, on the bitterness of vegetables, xxiv, 273.

Gulf of Mexico, accumulation of water in, supposed from the action of the Gulf Stream, v, 353.

Gulf Stream, cause of, v, 353. ---- ----, existence of, determined by _B. Franklin_, xlvii, 162. ---- ----, supposed connection of, with opposite currents on the coast of the United States, _W. C. Redfield_, xxxii, 349. ---- ----, extent of, xxxii, 350. ---- ----, ice of the north brought within the dissolving influence of, on the Newfoundland bank, _W. C. Redfield_, xxxii, 351. ---- ----, loss of vessels in, xx, 158. ---- ----, remarks on, _M. F. Maury_, xlvii, 161.

Gum, composition of, xxii, 350. ---- ammoniacum, xx, 399.

Gun barrels, browning of, xxxiv, 45.

Gunpowder, _A. Ure_ on the composition of, xx, 190. ----, experiments on, _A. Mordecai_, xlix, 180. ----, inflamed underwater, xxii, 354. ----, method of augmenting the force of, _Geo. Gibbs_, i, 87. ----, safe process for manufacturing, _S. Guthrie_, xxi, 292.

_Guthrie, S._, mode of obtaining chloric ether, xxi, 64; xxii, 105. ----, chemical products by, xxi, 92. ----, fulminating preparations, xxi, 288, 293. ----, gunpowder, safe process, xxi, 292. ----, molasses from the potato, xxi, 93. ----, sugar from potato starch, xxi, 284. ----, purification of turpentine, xxi, 291. ----, pure oil of turpentine, xxi, 93. ----, vaporization of mercury in the fumes of nitric ether, xxi, 90.

Gymnasium at New Haven, xiii, 385; xiv, 400.

Gymnastic science in France, x, 176.

Gymnastics in Switzerland, v, 191.

Gypsies, essay on, xxiv, 342. ---- in America, xxvi, 189.

Gypsum, action of, as a manure, xxvi, 181. ----, experiments on the solidification of, _J. P. Emmet_, xxiii, 209. ----, fertilizing properties of, xxii, 350. ----, origin of, _L. Vanuxem_, xii, 92. ----, curved, mammoth cave, Ky., xlii, 206.^f ---- of the basin of mines, Nova Scotia, xv, 146. ----, localities of, in New York, i, 243; iv, 36; v, 39, 40; xvi, 377; xxxvi, 38. ----, ----, in Maryland, xxvii, 8. ----, ----, in Ohio, iv, 51, 52; v, 39; vii, 48; xvi, 158. ----, ----, in Canada, viii, 71. ----, ----, in Michigan, vii, 47. ----, ----, in Virginia, i, 62; iv, 52. ----, ----, Prince Regent's Inlet, xvii, 10. ----, ----, in Nova Scotia, xiv, 229; xv, 146. ----, ----, in the Hartz, xix, 111. ----, ----, in Sicily, viii, 204. ----, ----, in Africa, iv, 33. ---- and accompanying marine limestones, in Nova Scotia, age and position of, _C. Lyell_, xlv, 356.

Gyropodium coccineum, ix, 56.^f

H.

Hæmatoxylin, _O. L. Erdman_, xliv, 357.

Hail, formation of, xix, 396.

Hail storms, cause of, in warm weather, _B. Hallowell_, xv, 361. ---- ----, phenomena and causes of, _D. Olmsted_, xviii, 1.^f ---- ----, reply to _A. T. Christie_ on, by _D. Olmsted_, xx, 373. ---- ----, _A. T. Christie's_ views on, xx, 373. ---- ----, _A. Jones_, xxiii, 35.^f ----, ----, remarks on, _W. C. Redfield_, xxxiii, 55. ----, ---- in Louisiana, _W. M. Carpenter_, xxvii, 171. ----, ----, rods a protection against, x, 196.

Hail-rods, in France, x, 196; xii, 398. ---- ----, ----, efficacy of, xiv, 37.

_Haile, A. B._, observations on the magnetic disturbance during an Aurora, Nov., 1837, xxxiv, 270.

Hailstones, structure of, xxiii, 36.^f ---- at Clermont, France, large, xxxi, 191.

_Haldeman, S. S._, on the Melanians of Lamarck, xli, 21; xlii, 216. ----, notice of the zoological writings of the late _C. S. Rafinesque_, xlii, 280. ----, species of mollusca common to Europe and America, xlvii, 412.

_Hale, M._, geological notice of Troy, iii, 72.

_Hall, F._, notice of, xlvii, 139. ----, notes on a tour in France, Italy and Elba, xxxii, 74. ----, on some minerals from Palestine, ix, 337. ----, notice of oriental minerals, xxxiii, 249. ----, ores of iron and manganese in Vermont, iii, 57. ----, waterfall, in the Green Mts., and an excavation in the rocks, vi, 252.

_Hall, James_, on the crinoidea, xlv, 349. ----, fossils of U. States, general remarks on the distribution of, xlv, 157; xlvii, 117. ----, Paradoxides, species of, xxxiii, 139.^f ----, ripple marks and casts of furrows, xlv, 148. ----, sections at Portage, N. Y., xlv, 329. ----, shells, microscopic, from a marl slate, Cincinnati, xlviii, 292.

_Hall, J._, Western States, general account of geology of, xlii, 51.

_Hall, John_, on the staining of wood, and on medical electricity, iii, 166.

_Hallowell, B._, on the cause of hail in warm weather, xv, 361. ----, blue color of sky, twinkling of stars, and on the deception as to the number in view on a clear evening, xv, 360.

Halos, theory of, _E. S. Snell_, xlix, 73.^f ----, lunar, West Point, March 20, 1831, xx, 299. ----, solar, seen in N. York, at Cazenovia, _J. W. Tyler_, xxi, 189. ----, ----, ibid, in Otsego Co., Feb. 1823, xx, 297. ----, ----, ibid, at Kingston, _R. H. Bonnycastle_, xxx, 136. ----, ----, ibid, at West Point, _A. C. Twining_, xxxii, 229. ----, ----, ibid, New Lebanon, _T. Kendall_, vii, 337.^f ----, ----, seen in Kentucky, August, 1825, xi, 325.^f ----, ----, seen in Rhode Island, September, 1816, xi, 328.^f ----, ----, seen in Tennessee, at Jackson, x, 368.^f

Hambato, S. America, account of, xxiv, 382.

_Hamilton, J._, on terrestrial magnetism, xxxvii, 100.

_Hamilton, M._, earthquakes of S. America, xli, 57.

Hammer, new mineralogical, _E. Hitchcock_, vii, 175.^f

_Hansteen's_ journey in Siberia, notice of, xvii, 392.

_Harden, J. M. B._, formula for ascertaining the weight and volume in a mixture of two bodies, xxxvii, 289.

_Hare, C._, perchloric ether, xl, 50; xlii, 63. ----, on the destructive distillation of the sulphate of etherine, xxxvi, 77. ----, reaction of sulphuric acid with the essential oil of hemlock, xxxvii, 246.