Rutile, in Connecticut, iv, 55. ----, in Massachusetts, i, 116, 134; v, 405; vii, 58; xii, 259; xx, 170. ----, in New Jersey, ix, 245. ----, in New York, xxi, 325. ----, in Pennsylvania, v, 41; xiv, 5, 14. ----, in Vermont, ix, 55. Rye, ergot of, _Wm. Tally_, ii, 45. S. Sabal Adansoni, xxvi, 315. ---- hystrix, v, 293. ---- minima, v, 293. Sabine, E., on the magnetism of the earth, and especially of the Arctic regions, xvii, 145.^f Saccharic acid, _Heintz_, xlviii, 193. Saccharine juices, optical properties of, _Biot_, xxiv, 379. Saco river, temperature of, xxxiv, 381; xxxvii, 389. Saddle Mountain, Mass., viii, 3. Safe, for provisions, xxx, 169. Safety lamp, _H. Davy's_, xvii, 240. ---- ----, of _E. du Mesnil_, xxxviii, 115. ---- tubes, substitute for, xvii, 345.^f Sagenaria, generic characters, vii, 180. _Sager, A._, on American amphibia, xxxvi, 320.^f Saguerus, a Sago palm, affording material for cordage, xxi, 36. Sahlite, in Connecticut, vi, 225. ----, in New York, viii, 88. Sailing, solution of a case in, xlvi, 79. Sal-ammoniac, produced from the combustion of a coal bed, vi, 395. Salamander, see under _Zoology_. Salicine, xix, 204, 370; xx, 384. ----, mode of obtaining, xxi, 155. ----, properties of, xlix, 392. Saliferous formation of the Ohio valley, _S. P. Hildreth_, xxiv, 46; xxix, 26. ---- ---- in New York, xxxix, 103. ---- ---- in Virginia, xli, 214. Salina, salt works and springs of, xv, 6; xvi, 187; xix, 141; xxxvi, 2; xxxix, 103. ----, bromine in the brine of, xviii, 143. Salines, see under _Salt_. _Salisbury, E. E._, Dr. Lund on the occurrence of fossil human bones of the præ-historic world, xliv, 277. ----, abstract of J. Klaproth on the invention of the compass, xl, 242. _Salisbury, S._, analysis of the Avon waters, xxxv, 188. Salisbury, Connecticut, iron ores, ii, 212. ----, iron works, xix, 322. ----, geology and mineralogy of, viii, 252. Salix ambigua, xlv, 35. ---- Cutleri, xlv, 36. ---- myrtilloides, xlv, 34. ---- phylicifolia, xlv, 35. _Salmon, W._, biographical notice of, xxxvii, 121.