_Dwight, S. E._, on the eruption of Long lake and Mud lake, Vt., xi, 39.^f ----, notice of a meteoric fireball, xiii, 35. Dye, new blue, by _Robiquet_, xxii, 197. ----, superior green, vii, 196. ----, pink, from the flower of the sweet balm, xxv, 413. ----, for hats, from oak bark, xxii, 383. ----, employment of iodine as, xv, 394. Dyeing, experiments on coloring matter for, _M. Persoz_, xxiv, 380. ----, use of chesnut wood in, i, 312. E. Eagle, bald, iv, 89. Earth, action of gravity variable, and producing errors in the determination of the figure of, xv, 172. ----, _Cordier's_ essay on the temperature of, noticed, xv, 109. ----, ----, on fluidity of the centre of, xv, 117, 118. ----, ----, on tides in the surface of, xv, 123. ----, ----, change of level in the crust of, owing to contraction or to tides in the fluid interior, xv, 122, 124. ----, _Fourier_ on the temperature of, xxxii, 1. ----, heat of the interior of, _R. Patterson_, xxxvii, 357. ----, remarks on the theory of central heat, _W. Maclure_, xv, 384. ----, deductions from the igneous theory of, _J. H. Lathrop_, xxxix, 90. ----, oblateness and axes of, degree of a meridian, &c., _T. J. Cram_, xxxi, 222.^f Earthenware and porcelain, on the art of, xxvi, 233. History of the art, xxvi, 233.^f Earthquakes in America: ---- ----, South, _M. Hamilton_, xli, 57. ---- ----, ----, in Chili, 1835, xxviii, 336. ---- ----, ----, at eruption of Cosiguina, xxviii, 332. ---- ----, in U. States, i, 93; xliv, 419. ---- ----, ----, in New England, xxxix, 336; xl, 204, 205, 206. ---- ----, ----, in Connecticut, Aug., 1840, xxxix, 335. ---- ----, ----, ----, at Hartford, Apr. 12, 1837, xxxii, 399. ---- ----, ----, ----, E. Haddam subterranean noises, xxxix, 336. ---- ----, ----, Mississippi, notice of, iii, 20. ---- ----, ----, ibid, from the travels of _Flint_, xv, 366. ---- ----, ----, ibid, _F. C. Usher_, xxxi, 294.^f ---- ----, near the Saguenay, _R. H. Bonnycastle_, xxx, 236. ---- ----, in West Indies, Feb., 1843, xliv, 419; xlvii, 182. ---- in Europe, in Sicily, 1823, ix, 216. ---- ----, at Florence, March, 1835, xxviii, 340. ---- in Asia, in Burmah, 1839, xxxviii, 385. ---- ----, at Cutch, 16th June, 1819, iv, 315. ---- ----, in Palestine, xlviii, 14. ---- ----, at Tabriz, xxxvii, 351. ----, causes and effects of, _I. Lea_, ix, 209. ----, remarks on, xiv, 72. ----, _G. Bischof_ on the natural history of, xxxvii, 41.^f ----, ----, instances of, xxxvii, 41, 47. ----, ----, causes of, xxxvii, 42. ----, ----, connection with volcanoes, xxxvii, 43. ----, ----, propagation of, xxxvii, 46. ----, ----, direction of, xxxvii, 47. ----, ----, elevation from, xxxvi, 273. ----, ----, elevation of the Andes, xxxvii, 49. ----, ----, state of the barometer not a cause, xxxvii, 50. ----, ----, theory of central heat, xxxvii, 52. ----, _Necker's_ views, xxxvii, 236. ----, _H. D.