Respiration, chemical process of, xii, 396. ----, _G. Magnus_, xxxv, 198. ----, on the office of nitrogen in, _L. C. Beck_, xviii, 52. ----, effect of deep, _G. C. Holland_, xxxiv, 28. ---- of oxygen, i, 95. ----, products of, at different periods of the day, _C. T. Coathupe_, xxxvii, 367. Resuscitation from drowning, by oxygen, remarks on, _J. E. Muse_, xvi, 250. Retina, remarks on, _W. C. Wallace_, xxviii, 278. _Revere, J._, on the crude sodas of commerce, xiv, 41. ----, on sheathing for ships, xvi, 180. Review, see _Works_. Revue Encyclopédique, notice of, ii, 164; iii, 392; viii, 385; xviii, 184. ---- ----, notice of one of the monthly suppers commemorating the establishment of, xviii, 184. _Reynolds, W. G._, theory of meteors, i, 266. Rhine, amount of water of, which passes Bâle, v, 392. Rhinoceros, fossil bones of, ii, 145. Rhode Island, geological survey of, _C. T. Jackson_, xl, 182. ----, coal of, x, 342; xi, 78; xii, 76; xl, 187. Rhodium in gold from Mexico, xi, 298. Rhomb spar in Massachusetts, vii, 255; x, 18. Rhubarb, _G. W. Carpenter_, ix, 91. ----, observations on, _G. W. Carpenter_, xiv, 33. ----, preparation of, vii, 385. _Ribaucourt_, on peat, xv, 250. Rice, how to boil, xxiii, 202. ---- paper, xxiv, 207. _Rich, C._, effects of lightning on the packet ship New York, xxxvii, 321. _Rich, E._, project for reforming the English alphabet, xlvii, 420. _Richardson, J._, on the Zoology of North America, xxxi, 343, 356, 376. _Riddell, J. L._, new construction of the barometer, xxvii, 223.^f ----, a new mode of preserving plants, xxxv, 338. ----, on the geological features of Ohio, xxx, 394. ----, electro-magnetic engine, xxxv, 343.^f ----, Texas, Trinity country, xxxvii, 211. ----, on Hog Wallow Prairies, Texas, xxxix, 211. _Riench's_ test for arsenic, medicolegal application of, xliv, 240. _Rigg, R._, carbon a compound body, xlvii, 211. ----, Chemical and Agricultural Researches of, noticed, xlvii, 211. Right angled triangles, expressions for sides of, xxiv, 68. Rio Janeiro, meteorological register kept at, from 1832-1843, xlvii, 290. Ripple-marks in transition rocks, _T. A. Conrad_, xxxv, 248. ---- ---- in the rocks of the Connecticut valley, _C. Lyell_, xlv, 394. ---- ---- in the new red sandstone of New Jersey, xliv, 136. ---- ---- and mud furrows in rocks, _J. Hall_, xlv, 148. ---- ---- in New York, xxxvi, 46. Rise of land, see _Elevation_. _Ritter, T._, on Belmont anthracite, xii, 301. _Rive, A. de la_, galvanic instrument by, v, 395. ----, present state (1833) of the principles of electricity, xxvi, 175. ----, on electro-magnetic currents, xxxiv, 6. River McKenzie, xvii, 4. ---- Rhine, amount of water in, which passes Bâle, v, 392. ---- Mississippi, velocity of, vii, 174. ---- Copper Mine, xvii, 7. Rivers, action of, xxi, 23. _Rivero, de_, sketch of the mines of Pasco, xvii, 43.^f