_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.