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.
Regents of the University of New York, Report of, xxii, 415; xxv, 258^f; xxvii, 177; xxx, 389; xlix, 176.
_Regnault, V._, analysis of lithia mica, xxxvii, 356. ----, researches on the dilatation of gases, notice of, xliv, 63.
Règne Animal of Cuvier, American translation of, xxi, 388.
_Reid, W._, on the laws of storms, xxxv, 276. ----, work by, on storms, noticed, xxxv, 182.
_Reizet_, on determining the nitrogen in organic compounds, xlv, 267.
Reliquiæ Diluvianæ, of _W. Buckland_, viii, 150, 317; xi, 196; xviii, 393. ---- Baldwinianæ, xlvi, 192.
_Rensselaer, J. van_, ascent of Mount Blanc, ii, 1. ----, on the natural history of the ocean, v, 128. ----, notice of freshwater formations, vi, 381. ----, notice of an error in _J. Finch's_ paper on the Celtic antiquities of America, viii, 200. ----, on lightning rods, ix, 331. ----, geological lectures of, ix, 397; xii, 399. ----, on the fossil mastodon, xi, 246; xii, 380. ----, new Vesuvian minerals, xi, 250.^f ----, natural history of Orange Co., N. Y., xiii, 224. ----, fossil tooth of an elephant, xiv, 31. ----, on a larva, supposed to have passed from the bladder, xiii, 229. ----, temperature of the cities of Rome (Italy) and New York, xiii, 120.
_Rensselaer, S. van_, obituary notice of, xxxvi, 156. ----, notice of his survey in the district adjoining the Erie canal, viii, 195, 358.
Rensselaer school, travelling of, xviii, 200; xix, 151. ---- ---- flotilla, xviii, 200. ---- ----, incidents of, in 1830, xix, 153.
Rensselaerite, is steatitic pyroxene, _L. C. Beck_, xl, 77.
_Renwick, J._, longitude of New York, v, 143. ----, on a new mineral, viii, 192. ----, translation from the Astronomical Journal of Hamburgh, xvi, 225. ----, letter to, by _E. Sabine_, on the magnetism of the earth, xvii, 145. ----, treatise on the steam engine, review of, xx, 323. ----, Outlines of Geology, noticed, xxxiv, 183.