----, meteorological observations at St. John's, Newfoundland, and at Canton, China, xxxviii, 265. ----, on the tornado of New Brunswick, and its whirling action, xli, 69.^f ----, on the storm of Dec. 15, 1839, and general deductions on the nature of storms, xlii, 112.^f ----, on the Providence tornado, with the evidence of its whirling action, xliii, 263.^f ----, reply to _R. Hare's_ objections to the whirlwind theory of storms, xlii, 299; xliii, 250. ----, reply to _R. Hare's_ strictures on H. W. Dové's essay on storms, xliv, 384. ----, on tides, and the prevailing currents of the ocean and atmosphere, xlv, 293. ----, on ancient polar currents, xliii, 152. ----, on drift deposits about New York, xliii, 152. ----, _Scoresby_ and _Buchan's_ observations on the temperature of the ocean at different depths showing warmer waters below, xlv, 139. ----, healed waters at the bottom of an ocean not immediately diffused by upward currents, xlv, 138. ----, on the effects of polar currents, xlv, 326. ----, on the drift period, the condition of the earth at the time and attendant phenomena, xlvii, 120. ----, on the drift ice, and currents of the North Atlantic, with an illustrative map, xlviii, 373. ----, visit to Essex Co. mountains, N. Y., and barometric measurements, with a sketch of the northern sources of the Hudson, xxxiii, 301^f; --see farther under _New York_. ----, on some American fossil fishes of the Connecticut valley and New Jersey, xli, 24, 164; xliii, 172. ----, fossil fishes of New Jersey and Connecticut identical, xxxvi, 186. ----, fossil fish and footprints in the red sandstone of New Jersey, xliv, 134.^f ----, on fossil fishes in New Jersey, xlv, 314. ----, fossil fish in Virginia, xxxiv, 201. ----, fossil footprints of Middletown, Ct., xxxiii, 201. ----, ---- ---- of Portland, Ct., xliii, 172. ----, ---- ---- in New Jersey, xliv, 134; xlv, 315. ----, ---- rain-marks in New Jersey, xliii, 172; xliv, 136; xlv, 315. ----, fossil shells of the Miocene, xli, 161. ----, notices of American steamboats, xxiii, 311. ----, on steamboat explosions, xxi, 190. Refining, instructions on, xvii, 177. Reflecting goniometer, xx, 158. Refraction in the higher regions of the atmosphere, suggestions on, xii, 299. ----, curious lunar, x, 187. ----, extraordinary, in the diamond, xxxiv, 38.^f ----, double, its relation to the crystalline forms of minerals, _D. Brewster_, vii, 363. ----, ----, produced by pressure, _D. Brewster_, xxi, 296. ----, ----, cause of, in crystals, _D. Brewster_, xxi, 296. ---- of heat, xxviii, 366. Refractive indices, theoretical computation of, _B. Powell_, xlii, 160. ---- ----, _B. Powell_ on, xxxviii, 107. ---- power of minute bodies, and its application to mineralogy, _A. Bryson_, xli, 54. Refrigerating compound, see _Cold_.