Part 31

Salts, _T. Graham_ on the constitution of, xxxv, 300. ----, number of, xvii, 184. ----, fusibility of, xix, 379. ---- of ammonia, solvent and oxidating powers of, xviii, 255. ----, efflorescence of, prevented by the vapor of turpentine, xvi, 391. ----, haloid, certain existence of, in solution, demonstrated, _G. Wilson_, xxxviii, 118. ----, Harrodsburg, analysis of, _E. D. Smith_, i, 403. ----, metallic, on the decomposition of, _C. Matteucci_, xx, 187. ----, new series of double, formed by the action of sulphurous and nitrous acids upon the alkaline bases, _E. Fremy_, xlviii, 194.

Saltness of the ocean, v, 131. ---- ----, remarks on, _H. Humphreys_, xlix, 208. ---- ----, at different depths, xxiii, 10.

Saltpetre, method of making by sun's heat, discovered by _Baffi_, vi, 400. ----, formed from beat leaves, xv, 180.

_Sampson, W._, notice of a cetaceous animal, xxiii, 301.^f

San Lorenzo, Peru, fossils from, xxxviii, 201.

Sand, blown from shore, viii, 392. ----, rate of flowing, and angle of a heap of, xix, 190. ----, pressure of, xix, 190. ----, of Lake George, iv, 46. ----, white siliceous, of Staten Island, xxxvi, 21. ----, lightning tubes in, xx, 396.

Sand hills, iii, 27.

Sand pipes in chalk, cause of, _C. Lyell_, xxxviii, 122.

Sandstone, recent, on northern coast of Cornwall, _J. A. Paris_, i, 234. ----, new red, some account of, in United States, xli, 244. ----, ---- ----, of United States, dip due to oblique deposition, _H. D. Rogers_, xliii, 170.^f ----, new red, of Connecticut, cause of inclined position, _B. Silliman_, xlvii, 107. ----, ---- ----, of the Connecticut river, vi, 39.^f ----, ---- ----, fossil remains, including bones, in, ii, 146; vi, 43. ----, ---- ----, junction with greenstone, vi, 47. ----, or freestone of the Sugar Loaf Mountain, Maryland, xxvii, 21. ---- and breccia of the Capitol at Washington, i, 215, 216. ---- of Potsdam, N. Y., xxxvi, 25. ---- of Cornwall, England, i, 234. ----, footprints in, see _Footprints_.

Sandwich Islands, rocks and minerals of, xi, 11, 362; xvi, 345. ---- ----, notices of, _C. S. Stewart_, xi, 363; xx, 229. ---- ----, Hawaii, volcanic character of, xi, 1; xx, 228. ---- ----, ----, geological features of, _E. G. Kelley_, xl, 117.^f ---- ----, ----, Mauna Loa, character of, xvi, 346. ---- ----, Oahu, features of, _J. Ball_, xxviii, 15. ---- ----, ----, remark on the structure of, _J. D. Dana_, xliv, 407. ---- ----, great agitation of the sea at, xxxvii, 358. ---- ----, see farther under _Volcano_.

_Sanford, E._, notice of the calcareous tufa and tree of Chitteningo, N. Y., xviii, 354.

_Sang, E._, relation between a machine and its model, xxiv, 264. ----, rapidity of motion of railway cars, xxxv, 197.

Sanguinaria canadensis, xlix, 130.

Sanicula marilandica, xi, 174.

Santee, high hills of, iii, 2.

Saponaceous vegetables, _Bussy_, xxiv, 381.

Sappar, fusion of, ii, 291. ----, see farther, _Kyanite_.

Sapphire in the emery of Naxos, xiv, 205. ---- in Connecticut, vi, 219. ---- of New Jersey, xiii, 380; xxi, 319. ---- in North Carolina, iii, 4, 229.

Saratoga high rock spring, description of, _J. N. Steel_, xvi, 343.^f ---- water, analysis of, _J. Steel_, xxi, 182; xxxvi, 8. ---- ----, ----, _J. F. Dana_, xxxvi, 8. ---- ----, iodine in, xvi, 217, 242. ---- ----, bromine in, xviii, 142. ---- Lake, and its environs, with Snake Hill, _J. H. Steele_, ix, 1.^f ----, oolitic formation of, _J. H. Steele_, ix, 16.^f ---- powders, xvi, 369.

Sarcophagus, ancient, iii, 390.

Sargasso weeds, xx, 181.

Sarracenia, remarks on the genus and species of, _H. B. Croom_, xxvi, 316. ---- pulchella, xxv, 75.

_Sartwell, H. P._, meteorological observations at Penn Yan, 1834, xxviii, 187.

Sassarubrin, a resin from oil of sassafras, _R. Hare_, xxxi, 282, 285.

Satin spar in New Jersey, ii, 197. ---- ---- in New York, iv, 44.

Saturn, five or more rings about, xxxvii, 373. ----, ibid, approximate dimensions of, xxxvii, 374. ---- ring, eccentricity of, xvii, 162. ----, observations on the rings of, _L. F. Wartmann_, xxv, 191. ----, micrometrical observations on, xiii, 172. ---- and his rings, observations on, at Rome, _P. F. de Vico_, xliv, 383. ----, sixth satellite of, xxxiv, 207.

Sault St. Marie, canal around, xlvi, 213.

Saurian remains, Hawkins's collection of, xxix, 367. ---- ----, in the alum shale of England, xxix, 364. ---- ---- of Tilgate Forest, _G. A. Mantell's_ work and memoirs on, xli, 205; xliii, 189. ---- ---- _R. Owen's_ Report on British, xlii, 328.

Saurians in magnesian conglomerate, xxviii, 389. ----, new, _S. Stutchbury_, xxxi, 364. ----, see farther under _Zoology_.

Saurocephalus, of _R. Harlan_, xxvii, 353.

Saurodon, xviii, 246.

_Savage, T. S._, on African insects, xl, 387.

Savings Bank of Geneva, xxiv, 209.

Saw, moved by mechanism, vii, 198. ----, acceleration of, at night, viii, 393. ---- machine, rotary, _R. Eastman_, v, 146.^f

Saxifraga Careyana, xlii, 32.

_Saxton, J._, electrographic gilding by, xli, 402.

_Say, Thos._, observations on some zoophytes, shells, &c., principally fossil, i, 381; ii, 34. ----, American Conchology of, noticed, xxi, 179. ----, notes on Herpetology, i, 256. ----, obituary notice of, xxvii, 393.

Scandinavians, early discovery of America by, xvii, 410.

Scandinavian coast, elevation of, xlvii, 184.

_Scanlan, R._, on commercial carbonate of ammonia, xxxv, 297. ----, nitrate of silver not blackened by light, xxxv, 298.

Scapolite, pink, of Bolton, formula of, xlvii, 418. ---- in Connecticut, viii, 258; xiv, 226. ---- in Massachusetts, vii, 53, 252; viii, 233; ix, 47; xiv, 226. ---- in New Jersey, vi, 250. ---- in New York, ix, 41, 402; xix, 225; xxi, 325; xxv, 348. ---- in Pennsylvania, viii, 239; x, 220, 221, 223; xiv, 13.

_Scarpa_, death of, xxv, 184.

_Schaeffer, G. C._, on the meteors of August, 1837, and November, 1832, xxxiii, 133. ----, meteor of August, 1840, xxxix, 332.

_Schaeffer, F. C._, peat of Dutchess Co., N. Y., i, 139. ----, localities of minerals, i, 236.

Schænus effusus, northern limit of, _H. B. Croom_, xxvi, 315.

_Scheerer_, on aventurine feldspar, xlix, 394. ----, on polycrase and malacrone, xlix, 394.

_Schenck_, transit of Mercury, May, 1832, xlix, 148.

_Schimpfer_, theory of boulders quoted and questioned, xxxvi, 331, 332.

Schistose structure a result of crystallization, _J. D. Dana_, xlv, 105. ---- ---- in some volcanic rocks, _J. D. Dana_, xlv, 105.

_Schlechtendal, D. F. L. von_, Linnæa of, noticed, xxxix, 178; xl, 392.

_Schley, G._, on steam as a conductor of electricity, xxvi, 206.

_Schlossberger, F._, on the composition of fungi, xlix, 393.

_Schlotheim, E. F. von_, notice of, xxxvii, 128.

_Schmidt, G._, notice of, iii, 79.

_Schnederman_, on a salt of platinum, xliv, 274.

Schoharie, mineralogy of, xxviii, 172^f; 381.

_Schönbein, C. F._, on ozone, xlix, 195. ----, on the deoxidation of the ferridcyanide of potassium, and the salts of the peroxide of iron, xlix, 203. ----, on ozone, a supposed cause of odor attending electrical discharges, xli, 44.

Schools for the poor in Italy, iii, 375. ----, Lancasterian, in France, iv, 199, 389. ----, see farther under _Education_.

_Schoolcraft, H. R._, native copper of Lake Superior, with a figure, iii, 201. ----, copper mine on Lake Superior, vii, 43. ----, lead mines of Missouri, with geological and miscellaneous notices, iii, 59. ----, on a petrified tree, near Lake Michigan, iv, 285. ----, memoir on a fossil tree, notices of, by John Adams, James Madison and Thomas Jefferson, v, 23, 25. ----, on the prints of human feet in limestone, v, 223^f; xliii, 22. ----, localities of minerals, vii, 46. ----, notice of a discourse by, xx, 166. ----, letter on the tide of Lake Superior, xx, 213. ----, address on the North American Indians, xxiv, 190. ----, action of the North American Lakes, xliv, 368.

Schorl, see _Tourmaline_.

_Schröder, J. F._, address by, noticed, xxi, 181.

_Schweigger-Seidel_, general electric formula, xxxv, 356.^f

Schweinfurt green, vii, 386.

_Schweinitz, L. D. de_, monograph of the genus Viola, v, 48. ----, list of the rarer plants near Easton, Penn., viii, 267. ----, obituary notice of, xxvi, 218.

_Schweitzer, G._, analysis of seawater near Brighton, xxxviii, 12.

Science, list of men of, who have held offices under government, xx, 172. ---- in the South, xxi, 188. ---- in the West, xxi, 187.

Scientific publications, recent, in the United Stales, xxvi, 208, 397; xxvii, 395. ---- Journals in Great Britain, xxviii, 365.

Sciuri, see under _Zoology_.

Sclerotic bones of the eyes of birds and reptiles, xxxiii, 289.

_Scoresby, W._, magnetical investigations, xlviii, 33. ----, improvements by, in magnetic apparatus, xxxiv, 398.

Scotacks, tribe of, in Hungary, v, 384.

Scotland, population of, xxiv, 211.

Scott spring, Virginia, analysis of, xliv, 409.

Scratches, diluvial, caused by ice, according to _L. Agassiz's_ theory, xlii, 350. ----, ----, theory of, _E. Hitchcock_, xli, 255. ----, ----, in the United States, xli, 174. ----, ----, ----, belong to two systems, _W. C. Redfield_, xlv, 333. ----, ---- ----, on rocks, a few localities of, xvii, 408. ----, ----, in Maine, _C. T. Jackson_, xxxvi, 153. ----, ----, in New Hampshire, _O. P. Hubbard_, xxxiv, 107. ----, ----, ----, _C. T. Jackson_, xlv, 146. ----, ----, ----, on the rocks at Hebron, xxii, 166. ----, ----, in western New York, _G. E. Hayes_, xxxv, 191. ----, ----, ----, xxxvi, 39. ----, ----, ibid, _C. Dewey_, xliv, 146. ----, ----, on the rocks near New York city, _J. E. Dekay_, xvi, 357. ----, ----, on the rocks, in Sullivan Co., N. Y., _W. A. Thompson_, xxiii, 243. ----, ----, in Pennsylvania, _H. D. Rogers_, xliii, 180. ----, ----, in Ohio, (?) at Sandusky Bay, vi, 179. ----, ----, in Indiana, _J. T. Plummer_, xliv, 296. ----, ----, in the rocks of the Allegany range, xx, 124.

Screws, manufacture of, in Connecticut, ii, 208.

_Scrope, G. P._, on Volcanoes, review of, xiii, 106. ----, letter to the editor on volcanoes in North America, xiii, 190. ----, descriptive arrangement of volcanic rocks, xv, 28.

Sculpture, by Canova, iv, 371, 389.

Sea and land, relative level of, as regards the tides, xxxi, 335. ----, waves, currents and tides, v, 131. ----, ----, ----, see farther under _Ocean_. ----, depth of, v, 130. ----, ----, not determinable by the echo, _C. Bonnycastle_, xxxviii, 161. ----, deep soundings in, by the French ship Venus, xl, 407. ----, encroachments of, near New York, xxxvi, 16. ----, action of, xxi, 21. ---- and land breezes, causes of, _W. C. Redfield_, xxxiii, 65. ----, remarkable agitations of, at the Sandwich Islands, _T. C. B. Rooke_, xxxvii, 358. ----, Dead, level of, xl, 213; xlii, 214. ----, ----, analysis of the waters of, xiii, 395; xlviii, 10. ----, ----, account of, _J. D. Sherwood_, xlviii, 1.

Sea-serpent, remarks concerning, _J. Bigelow_, ii, 147. ----, xi, 196. ----, on the existence of, xii, 375. ----, xxviii, 372.

Sea-serpentism, history of, _S. L. Mitchill_, xv, 351.

_Seal, T._, on beryl, iv, 39.

Sealing wax, method of making, xxi, 150. ---- ----, improvement in, xxviii, 148. ---- ----, mode of separating from old letters, xxiii, 200.

Seawater near Brighton, analysis of, _G. Schweitzer_, xxxviii, 12. ----, Black Sea, analysis of, xx, 188. ----, quantity of salt in, _C. Daubeny_, xxxvi, 188. ----, potash in, iii, 371. ----, absorption of light by, v, 134. ----, marine animals in, v, 134. ----, color of, vi, 198; xxix, 237. ----, cause of color of, xxvi, 65.^f ----, color of, due in part to iodine and bromine, xvii, 170. ----, density at different depths in the Mediterranean, xvii, 364. ----, distillation of, iii, 381. ----, distilled, use of, i, 172. ----, luminousness or phosphorescence of, v, 133; xvii, 209; xviii, 166, 187; xxxv, 372; xxxvi, 208. ----, saltness of ocean, v, 131. ----, ----, _H. Humphreys_, xlix, 208. ----, ----, at different depths, xxiii, 10. ----, specific gravity, v, 129. ----, temperature in different parts, v, 129; xxv, 130. ----, ----, at great depths, xvii, 295. ----, ----, at different depths, xxiii, 10.

Seaweeds of the Atlantic, xx, 181.

_Sedgwick, A._, Cambrian system of, xxxvii, 220. ----, address before the Geological Society of London, xxi, 186. ----, letter to R. Elton, xlvi, 403.

Sediment from the Mersey, xxxiii, 269.

_Seely, L._, garnet locality, iii, 241.

Segregation theory of veins, objections to, from facts in Maine, _C. T. Jackson_, xxxvi, 148.

_Seiber's_ Journey into Abyssinia, announced, iv, 383.

_Selby, P. J._, notice of, xxxvii, 164.

Selenite, see _Gypsum_.

Selenium, a new metal, i, 310.

Seleniuret of lead, xviii, 391; xix, 369. ---- ---- and mercury, xviii, 391. ---- of palladium, xix, 369.

Selloa nudata, v, 300.

Seminole Indians, notice of, ix, 132.

Septaria, large, xxvi, 217.

Serbian, or miloschin, xlii, 386.

Serapis, temple of, account of the changes of level in, _C. Babbage_, xxvii, 408.

Series, new algebraic, vii, 278; viii, 131; ix, 98, 293.

Serpent rock of Lake Huron, iii, 258.^f

Serpentine, metamorphic, through the agency of heated waters, xlv, 120. ----, crystallized, at Warwick, N. Y., ix, 242. ----, in Tenos, Grecian Archipelago, xxxi, 176. ---- of the vicinity of Hudson's Bay, xvii, 12. ----, in Canada, viii, 68. ----, in Connecticut, vi, 227. ----, in Delaware, v, 240. ----, in Maryland, xviii, 80; xxiv, 349; xxvii, 25. ----, in Massachusetts, i, 114, 137; ii, 236; iii, 238; v, 268; vi, 227; viii, 49; ix, 43; x, 213; xii, 260; xxii, 29. ----, in New Jersey, ii, 195; iv, 16; v, 29. ----, in New York, vii, 57; ix, 39, 42; xix, 225, 228; xxv, 349. ----, in Pennsylvania, viii, 237; xiv, 3, 10, 12. ----, in Rhode Island, viii, 225, 228; ix, 51. ----, in Vermont, iii, 76; v, 40, 272; vi, 227, 249; xiii, 200; xxxv, 390; (marble) xxxviii, 198.

_Serres, Marcel de_, on some new bone caves, xxi, 56.

_Serullas, G. S._, elected a member of the French Academy, xviii, 185. ----, on iodic acid, and morphine, xx, 184. ----, obituary notice of, xxiii, 371.

Sewell Mountains, xxix, 93.

Sewers, furnace for ventilating, vii, 177. ----, cleansing of, xviii, 161.

Sexes, proportion of, viii, 376.

_Seybert, A._, notice of, i, 37.

_Seybert, H._, analysis of the chrysoberyl, of Haddam, Ct., viii, 105. ----, ---- of bog iron ore from New Jersey, viii, 298. ----, ---- of the Maclureite, v, 336. ----, ---- of the melanite of Franklin furnace, N. Jersey, viii, 300. ----, ---- of pyroxene from the Franklin iron-works, vii, 145. ----, ---- of sulphuret of molybdenum, iv, 320. ----, ---- of chromic iron, iv, 321. ----, ---- of a manganesian garnet, vi, 155. ----, ---- of the glassy actinolite of Concord, Penn., vi, 331. ----, ---- of tabular spar, pyroxene and colophonite, from Willsboro', N. Y., v, 113. ----, reclamation of the discovery of fluoric acid in chondrodite, vi, 168, 356. ----, analysis of a meteorite, xvii, 326.

Seybertite, a new mineral, _T. G. Clemson_, xxiv, 171.

Seyssel cement, xxxiv, 383.

Shad-fisheries of the Delaware, notice of, _S. Howell_, xxxii, 134.

Shaquaw, Cherokee, prophecy of, iii, 39.

Shark, fossil, xvii, 289. ----, see farther under _Zoology_.

Sharpening of razors and other cutting instruments, method of, xxi, 165.

_Sharpless, J. T._, description of the American wild swan, xxii, 83.^f

Sheathing of ships, _H. Davy's_ experiments on, xvii, 244. ---- for ships, of leather, xv, 365.

Sheep, relative value of different kinds of food for, xxiii, 393. ----, merino, price of, in France, v, 189.

_Sheffey, H. W._, ice at the bottom of a river, xxxvi, 186.

Shelburne Falls, Mass., vii, 16.

_Sheldon, W._, on tanning, &c., i, 312.

Shells, analyses of, _W. B. Rogers_, xxvi, 361. ----, fancy work from, xxxii, 257. ----, as a circulating medium, xxxii, 258. ----, recent and fossil, see under _Zoology_.

Shell fish in Ohio, disease among, _S. P. Hildreth_, xxxii, 97. ---- rock, of the Florida coast, ix, 123. ---- ---- of St. Augustine, remarks on, xxxv, 61. ---- ---- of St. Croix, xxxv, 71.

_Shepard, C. U._, localities of minerals, viii, 235. ----, notice of minerals, xii, 156, 161. ----, measurement of topaz, xii, 158.^f ----, Kyanite and Sillimanite, on the identity of, xii, 159.^f ----, on native iron, xii, 155; xiv, 183; xvii, 140. ----, on phosphate of manganese, tabular spar, &c., xiii, 196. ----, measurement of crystals of zircon, xiii, 392.^f ----, Columbite, stanniferous, in Massachusetts, xvi, 220.^f ----, soda alum, of Milo, analysis of, xvi, 203; xxii, 387. ----, on ferro-silicate of manganese, xvii, 142.^f ----, on new localities of minerals, xvii, 144. ----, mineralogical journey in the northern parts of New England, xvii, 353^f; xviii, 126^f, 289.^f ----, on the Deweylite, xviii, 81. ----, spathic iron mine of New Milford, xix, 311.^f ----, letter to, on the copper ore of Strafford, Vermont, xxi, 383. ----, mineralogy and geology of Orange Co., N. Y., and Sussex Co., N. J., xxi, 321.^f ----, on brown lead ores, xxii, 307. ----, on datholite and iolite in Connecticut, xxii, 389. ----, geological observations upon Alabama, Georgia and Florida, xxv, 162. ----, thermal waters of Suannee, Georgia, producing a silicification of fossils, xxv, 165. ----, on Ball's cave, xxvii, 368. ----, analysis of the waters of the Gray Sulphur spring, Virginia, xxx, 100. ----, microlite, a new mineral, xxvii, 361. ----, ----, chemical examination of, xxxii, 338. ----, ---- not identical with pyrochlore, xliii, 116. ----, on the strontianite of Schoharie, N. Y., xxvii, 363.^f ----, description of Edwardsite, xxxii, 162. ----, Eremite, a new mineral, xxxii, 341.^f ----, copper mines of Connecticut, xxxiii, 160. ----, iron mines and furnaces of Connecticut, xxxiii, 155. ----, second locality of topaz in Connecticut, xxxiv, 329. ----, calstronbaryte, a new mineral species, xxxiv, 161. ----, calstronbaryte, not entitled to be considered a mineralogical species, xliii, 366. ----, phenacite in New England, xxxiv, 329. ----, phenacite from Goshen, not phenacite, xliii, 366. ----, Warwickite, a new mineral, xxxiv, 313; xxxvi, 85. ----, geology of upper Illinois, xxxiv, 134.^f ----, Danburite, a new mineral, xxxv, 137. ----, note to _F. Wöhler's_ analysis of cobalt ores, xxxvi, 332, 333. ----, identity of Edwardsite with Monazite, xxxix, 249. ----, Lederite, a supposed new mineral, xxxix, 357^f; xlviii, 176. ----, on two decomposed varieties of iolite, xli, 354. ----, euclase in Connecticut, xliii, 366. ----, Washingtonite, a new mineral, xliii, 364.^f ----, description and analysis of the meteorite of Virginia, xvi, 191.^f ----, analysis of the Texas meteoric iron, xvi, 217. ----, ---- of meteoric iron of Buncombe Co., North Carolina, xxxvi, 81. ----, ---- of a Wisconsin meteorite, xxxix, 254. ----, account of the meteoric iron of Oswego, with an analysis, xl, 366.^f ----, ibid, of Guilford Co., N. C., with an analysis, xl, 368. ----, analysis of meteoric iron from Tennessee, xliii, 354. ----, on phosphate of lime in the Virginia meteoric stone, xlv, 102. ----, meteoric (native) iron of Canaan, Ct., analysis of, xii, 155. ----, chlorine in meteoric iron, xliii, 359. ----, experiments with Henry's magnet, xx, 201. ----, extracts from foreign Journals, xx, 197. ----, notice by, of the transactions of the Geological Society of France, for 1833, xxviii, 283. ----, notice of the report by, on the geology and mineralogy of Connecticut, xxxii, 399; xxxiii, 151. ----, notice of Travels in the Alps, xxviii, 296. ----, Mineralogy, notice of, xxi, 389; xxii, 395; xxviii, 374; xxxv, 187. ----, reply to _A. Del Rio's_ observations on C. U. Shepard's Treatise of Mineralogy, xxvii, 312; xxxi, 131. ----, _Del Rio's_ reply to, xxx, 384. ----, Mineralogy, second edition, review of, xlvii, 333, 346. ----, reply to a notice of his mineralogy, xlviii, 168. ----, private school of mineralogy, xxv, 431; xxvi, 215.

_Shepherd, F._, on the fall of a meteorite, in Missouri, xxxvii, 385. ----, experiments on the solar spectrum, xlviii, 137.

_Sherwin, T._, Algebra of, noticed, xliii, 190.

_Sherwood, H. H._, discoveries by, in magnetism, xxxiv, 210.

_Sherwood, J. D._, on the valley of the Jordan and the Dead Sea, xlviii, 1.

Shetland Islands, minerals of, iv, 25. ----, New South, minerals from, xii, 161.

_Shillaber, J._, description of a mermaid, vi, 195.

Ships, best form for, _J. S. Russel_, xxxv, 290. ----, sheathing for, of leather, xv, 365. ----, fastenings and sheathings for, xvi, 180. ----, ----, _H. Davy's_ experiments on, xvii, 244. ----, improvements in the keels of, _O. Lang_, xxxiv, 35. ----, lightning conductors for, xxi, 347. ----, steam, without masts, xxxv, 332.