—, 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, seeFootprints.
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 underVolcano.
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'swork and memoirs on, xli, 205; xliii, 189.
— —R. Owen'sReport on British, xlii, 328.
Saurians in magnesian conglomerate, xxviii, 389.
—, new,S. Stutchbury, xxxi, 364.
—, see farther underZoology.
Saurocephalus, ofR. 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, 172f; 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 underEducation.
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, 223f; 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, seeTourmaline.
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 underZoology.
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 toL. Agassiz'stheory, 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 underOcean.
—, 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.
Seawaternear 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'sJourney into Abyssinia, announced, iv, 383.
Selby, P. J., notice of, xxxvii, 164.
Selenite, seeGypsum.
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 underZoology.
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'sexperiments 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 underZoology.
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, 353f; xviii, 126f, 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 toF. Wöhler'sanalysis of cobalt ores, xxxvi, 332, 333.
—, identity of Edwardsite with Monazite, xxxix, 249.
—, Lederite, a supposed new mineral, xxxix, 357f; 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 toA. Del Rio'sobservations on C. U. Shepard's Treatise of Mineralogy, xxvii, 312; xxxi, 131.
—,Del Rio'sreply 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'sexperiments on, xvii, 244.
—, improvements in the keels of,O. Lang, xxxiv, 35.
—, lightning conductors for, xxi, 347.
—, steam, without masts, xxxv, 332.
Shooting stars,in the years 1768, and 686 B.C.; A.D. 7, 532, 558, 585, 611, 744 or 747, 750, 764, 765, 829, 855, 899, 901, 902, 912 or 913, 931 or 934, 935, 1029, 1060, 1090, 1094, 1095, 1096, 1106, 1122, 1199, 1202, 1243, 1366, 1398, 1399, 1635, 1636, 1743, 1799, 1803, 1832, 1833, notices of,E. C. Herrick, xl, 349 to 363.
— —, of August in the years 1800, 1815, 1819, 1822, 1836, notices of,E. C. Herrick, xxxvii, 335, 336.
— —, of December, 1692,E. C. Herrick, xlii, 400.
— —, of December, 1798,H. W. Brandes, xxxv, 361.
— —, of November, 1799, noticed by Humboldt,S. P. Hildreth, xxvi, 87.
— —, —, ibid,E. C. Herrick, xl, 363.
— —, of June, 1799, 1812, 1817,E. C. Herrick, xlii, 201.
— —, —, 1777,Messier, xxxiii, 364.
— —, of April 20, 1803,D. Olmsted, xxvi, 135.
— —, —,E. C. Herrick, xxxvi, 358; xl, 363.
— —, of November, 1803, a large meteor in England, xxvi, 137.
— —, of December, 1809,E. C. Herrick, xxxvi, 357.
— —, of December, 1824,E. C. Herrick, xxxvi, 357.
— —, of November, 1831,Berard, xxx, 374.
— —, of November, 1832, notices byD. Olmsted, xxvi, 134, 136.
— —, —, in Russia, xxxi, 189.
— —, —, off Pernambuco,G. C. Schaeffer, xxxiii, 133.
— —, —,Gautier, xxxiii, 364.
— —, —, in England, xxvi, 136.
— —, —, in the Tyrol, xxvi, 134.
— —, —, at Mocha on the Red Sea, xxvi, 136.
— —, of November, 1833,E. Hitchcock, xxv, 354.
— —, —,D. Olmsted, xxv, 363; xxvi, 132; xxix, 376.
— —, —,A. C. Twining, xxvi, 320.f
— —, —,A. D. Bache, xxix, 383.
— —, of November, 1834,A. D. Bache, xxvii, 335; xxviii, 305; xxix, 383.
— —, —,A. C. Twining, xxvii, 339.
— —, —,D. Olmsted, xxvii, 417; xxix, 168.
— —, —, seen in California, xxxii, 195.
— —, of November, 1835,D. Olmsted, xxx, 375.
— —, —, Cape of Good Hope,J. F. W. Herschel, xxx, 374.
— —, of November, 1836,D. Olmsted, xxxi, 386.
— —, —, at Hingham, Mass.,J. L. Russel, xxxii, 392.
— —, —, foreign accounts of, xxxii, 181.
— —, of August, 1837,E. C. Herrick, xxxiii, 176, 354, 401; xxxiv, 180.
— —, —,G. C. Schaeffer, xxxiii, 133.
— —, of November, 1837,D. Olmsted, xxxiii, 379.
— —, of April, 1838,E. C. Herrick, xxxiv, 398.
— —, of August, 1838,E. C. Herrick, xxxv, 167.
— —, of November, 1838,D. Olmsted, xxxv, 368.
— —, —,E. C. Herrick, xxxv, 362.
— —, —, at Cambridge, Mass.,J. Lovering, xxxv, 323.
— —, —, in Europe, xxxvi, 179.
— —, of December, 1838,E. C. Herrick, xxxv, 361; xxxvi, 355; xlii, 398.
— —, —, in Europe, xli, 403; xlii, 398.
— —, of April, 1839,E. C. Herrick, xxxvi, 361.
— —, of August, 1839,E. C. Herrick, xxxvii, 325; xxxviii, 203.
— —, —, at Canton, China,P. Parker, xxxviii, 301.
— —, of October, 1839,E. C. Herrick, xxxviii, 377.
— —, of November and December, 1839,E. C. Herrick, xxxviii, 377.
— —, of November, 1839,D. Olmsted, xl, 202.
— —, of August, 1840,E. C. Herrick, xxxix, 328, 332; xl, 201.
— —, of November, 1840, nothing unusual,D. Olmsted, xl, 202.
— —, of October and December, 1840,E. C. Herrick, xl, 203.
— —, of April, 1841,E. C. Herrick, xlii, 397.
— —, of August, 1841,E. C. Herrick, xli, 399; xlii, 202.
— —, of August and November, abstract ofS. C. Walker'spaper on, xlii, 401.
— —, of November, 1841, xliii, 399.
— —, of April, 1842,E. C. Herrick, xliii, 212.
— —, of August, 1842,E. C. Herrick, xliii, 377; xliv, 208.
— —, of August 22, 1842, seen in the day time, at Winchester, Va.,C. Chase, xliv, 418.
— —, of November, 1842,E. C. Herrick, xliv, 209.
— —, of December, 1842,E. C. Herrick, xliv, 210.
— —, of April, 1843,E. C. Herrick, xlv, 230.
— —, of August, 1844,E. C. Herrick, xlviii, 316.
— —, —,S. R. Williams, xlviii, 320.
— —, see farther underMeteor.
— —, attributed to Auroral vapor, xx, 153.
— —,Arago, hypothesis of a zone of asteroids revolving about the sun, xxxiii, 363.
— —, —, origin of, beyond the atmosphere, xxx, 373.
— —,Bache, A. D., on the non-occurrence of a shower of meteors, Nov. 13, 1834, xxvii, 335; xxviii, 305; xxix, 383.
— —,Benzenberg, J. F., andBrandes, H. W., made the first observations relative to the distances, velocities, &c., xxxv, 366.
— —,Brandes, H. W., investigation of, xv, 168; xxviii, 97; xxxv, 231, 232, 366.
— —, —, number, duration, course of, &c., xv, 168; xxviii, 97; xxxiii, 361.
— —, —, mode of calculation respecting, xxviii, 98.f
— —, —, table of, calculated, xxviii, 101.
— —,Clarke, W. A., on the origin of, xxx, 369.
— —,Erman, origin of, cosmical, xl, 53.
— —, —, motion and mode of revolution, xl, 53.
— —, —, velocity, perihelion distances, position, xl, 53, 54.
— —,Fisher, F. G., origin of, atmospheric, and connected with electricity, xxviii, 289.
— —,Gruithuisen, origin of, beyond the earth's atmosphere, from metallic vapors, xxviii, 290.
— —,Halley, E., suggested the determination of longitude by means of, xlii, 399.
— —,Herrick, E. C., on the number of showers of, in a year, xxxiii, 360; xxxv, 366; xxxix, 334.
— —, —, facts establishing the August period, xxxiii, 177, 354.
— —, —, observations on the August period, in early times, xxxvii, 337;
–in 1800, 1815, 1819, 1822, 1836, xxxvii, 335, 336;
–in 1837, xxxiii, 176, 354, 401; xxxiv, 180;
–1838, xxxv, 167;
–1839, xxxvii, 325; xxxviii, 203;
–1840, xxxix, 328, 332; xl, 201;
–1841, xli, 399; xlii, 202;
–1842, xliii, 377; xliv, 208;
–1844, xlviii, 316.
— —, —, characteristics of the August shower, xxxiii, 359; xxxix, 330.
— —, —, cycle of the November shower, xxxv, 367; xl, 365.
— —, —, return of the November shower probable in 1867, xl, 365.
— —, —, observations on the November showers, of former periods, xl, 363;
–in 1838, xxxv, 362;
–in 1839, xxxviii, 377;
–1842, xliv, 209.
— —, —, notices of observations in December, 1692, xlii, 400;
–1809, xxxvi, 357;
–1824, xxxvi, 357;
–in 1838, xxxv, 361, 365; xxxvi, 355; xlii, 398;
–in 1839, xxxviii, 377;
–in 1840, xl, 203;
–1842, xliv, 210.
— —, —, cycle of the April shower, xxxv, 367; xl, 365.
— —, —, observations on April showers, of former periods, xxxvi, 361;
–in 1803, xxxvi, 358;
–1838, xxxiv, 398;
–1839, xxxvi, 361;
–1841, xlii, 397;
–1842, xliii, 212;
–1843, xlv, 230.
— —, —, notices of observations in June, xxxix, 334; xlii, 201.
— —, —, notices of observations in October, 1839, xxxviii, 377;
–1840, xl, 203.
— —, —, notices of observations in January, xxxix, 334.
— —, —, remarks on the zone-theory of, xxxiii, 363; xxxv, 367.
— —, —, on the supposed connexion of, with the Zodiacal light, xxxiii, 364; xxxv, 368; xxxix, 331.
— —, —, nature, motions and distance of, xxxiii, 360; xxxv, 366.
— —, —, average daily number, xxxiii, 362.
— —, —, average hourly number, xxxiii, 362; xxxv, 365.
— —, —, apparent sizes, colors, &c., xxxiii, 360; xxxix, 330.
— —, —, hour of maximum in August, xxxix, 330.
— —, —, radiant point, xxxvii, 328; xxxix, 330.
— —,Hitchcock, E., magnetic or Auroral origin of, suggested, xxv, 355.
— —, —, observations in November, 1833, xxv, 354.
— —,Ideler, J. L., conclusions as to the atmospheric origin (vegetable and animal) of, xxviii, 289.
— —,Laplace, P. S., remark as to the prevailing ignorance on, xxviii, 59.
— —,Loomis, E., on the sizes, heights, paths, course and velocities of, xxviii, 95; xxxv, 231.
— —, —, apparent direction of, dependent on the motion of the earth, xxviii, 104.
— —, —, on the course, velocity, height and size of the meteor of May 18, 1838, mathematically calculated, xxxv, 223.
— —,Lynn, G., first laid down a method for determining longitude by, xlii, 399.
— —,Maskelyne, N., on determining longitude by, xlii, 399; xliv, 374.
— —,Messier, on some meteors seen crossing the sun's disk, June, 1777, xxxiii, 364.
— —,Olmsted, D., on the November shower of 1833, xxv, 363; xxvi, 132f; xxix, 376.
— —, —, notices of observations on, in November, 1832, xxvi, 136;
–1834, xxvii, 417, xxix, 168;
–1835, xxx, 374;
–1836, xxxi, 386;
–1837, xxxiii, 379;
–1838, xxxv, 368;
–1840, xl, 202.
— —, —, November period continued in 1837, xxxiii, 379.
— —, —, November period passed, in 1838, xl, 202.
— —, —, ibid, length of, and cycle, xl, 203.
— —, —, ibid, time of maximum number and duration of shower in, xxv, 386, 402; xxvi, 141; xxxiii, 381.
— —, —, ibid, whole number, xxv, 389.
— —, —, ibid, height, course of, and direction, xxv, 392, 393; xxvi, 144; xxxiii, 381.
— —, —, ibid, sound from, xxv, 392, 404.
— —, —, ibid, apparent origin and radiation, xxv, 394, 405; xxxiii, 386, 390.
— —, —, ibid, velocity, xxvi, 147f, 149; xxxiii, 383.
— —, —, ibid, size, xxv, 408; xxvi, 155; xxxiii, 382.
— —, —, ibid, matter supposed to have come from, xxv, 396, 408.
— —, —, ibid, Auroral appearances attending, xxv, 397, 410.
— —, —, ibid, concurrent phenomena, xxv, 398, 401; xxvi, 160.
— —, —, ibid, electrical and magnetic phenomena accompanying, xxv, 396, 409.
— —, —, origin of, beyond the atmosphere, xxvi, 140; xxix, 377.
— —, —, combustible nature of, and other characters, xxvi, 151, 161; xxix, 377.
— —, —, relation to the solar system, and orbital motion of supposed shooting star nebula, xxvi, 163f; xxix, 377.
— —, —, connection with Zodiacal light, xxvi, 172; xxix, 378; xxxiii, 390.f
— —, —, remarks in reply to objections to his theory of, xxix, 380; xxx, 370.f
— —,Quetelet, report of desultory remarks at the British Association of 1833, xxviii, 59.
— —, —, general average per hour, xxxv, 365.
— —,Twining, A. C., on the meteors of November, 1833, xxvi, 320f;
–1834, xxvii, 339.
— —, —, examination of D. Olmsted's views on, xxvi, 321.
— —, —, time and maximum of shower, November, 1833, xxvi, 323.
— —, —, the radiant point fixed independent of the earth's rotation, xxvi, 325, 347; xxvii, 339.
— —, —, nature and cause of, xxvi, 335.
— —, —, height of several calculated, xxvi, 337.f
— —, —, velocity of, xxvi, 346.
— —, —, character of orbital motion and period of, xxvi, 348, 349.
— —, —,Walker, S. C., on the showers of, in August, xl, 51; xlii, 401.
— —, —, ibid, radiant point and other observations, xl, 51.
Shortrede, R., logarithmic tables of, noticed, xlviii, 208.
Shower of red matter like blood in Tennessee, a hoax, xliv, 216, (see xli, 403.)
Siamese twins, an account of,J. C. Warren, xvii, 212.f
Sibbald, R., notice of, with an enumeration of his works, xxxvii, 138.
Siberia, steppes, xvii, 23.
—, depth of the frozen ground in, xxxvi, 210.
—, temperature of the ground in, xxxvi, 205.
—, notice of Humboldt's expedition to, xvii, 405.
Siberian elm, notice of, xx, 377.
Sibley, J., fact from a letter by, relating to the Texas meteoric iron, viii, 221.
Sicily, earthquakes of 1823, ix, 216.
—, geological structure of,F. Ferrara, viii, 201.
—, marbles of, viii, 203.
—, minerals of, viii, 203.
—, geology of,C. Daubeny, x, 230.f
—, volcanic character of, xiii, 272.
—, fountain of Cyana in, xxvii, 82.
Sida abutilon, affording a material for cordage, xxi, 37.
Sidero-graphite,J. Torrey, ii, 176, 370.
Sideroscope, xv, 177.
Siebold'sFlora Japonica, noticed, xxxix, 175.
Sienite, seeSyenite.
Sigillaria, generic characters, vii, 180.
— marineria, xxxi, 30.f
— in the coal fields near Liverpool, xlv, 403.
—, remarks on the relation of, to Stigmariæ, xlix, 227.
Signals, iii, 382.
—, telegraphic, by rockets, v, 189.
Signs, observations on the language of, viii, 348.
Silene axillaris, vii, 62.
— regia, xi, 182.
Silex,fusion of, ii, 292.
—, solubility of, xiv, 385; xli, 60.
—, gelatinous,Guillemin, xiv, 391.
—, in solution, in geodes, viii, 282.
—, —, ibid,G. Bischof, xlix, 396.
—, hydrate of, xv, 390.
— in plants, xxxiv, 27.
Siliceous buhr millstone deposits of Ohio, xxix, 142.
— —, hot water origin, xxix, 45.
— minerals, on the treatment of, by carbonated alkalies, xviii, 404.
— —, solution of, by steam, xlviii, 397.
— glass from burning hay, xix, 395; xxiv, 174.
— corals, i, 141.
— shells, corals and wood of Antigua,S. Hovey, xxxv, 79;
–due to siliceous solutions, 82.
— Sinter of the Azores,J. W. Webster, iii, 391.
— springs and deposits in India,Newbold, xlix, 398.
— substances, porosity of, vii, 192.
— —, containing siliceous infusoria and minute organic remains,Turpin, xxxii, 400.
Silicic acid, seeSilex.
— ether,Ebelman, xlix, 192.
Silicification of fossils,proceeding from thermal springs in Florida,C. U. Shepard, xxv, 165.
— of wood, xxxiii, 108.
—, remarks on,J. D. Dana, xlviii, 88, 397; xlix, 227.
Silicified wood, seeFossil.
Silicon, how obtained, ix, 377.
—, a process for obtaining,R. Hare, xxii, 189; xxiv, 247f; xl, 28.
—, production of, from paracyanogen,S. M. Brown, xli, 208.
—, on the alleged conversion of carbon into, xlii, 193.
Silk, on the manufacture of, in America, xviii, 382; xix, 175.
—, review of F. Pascalis on the culture of, xvii, 202; xviii, 278.
—, practical instruction concerning, xviii, 207, 278.
—, on the culture of, in India, xl, 39.
—, grown at Nottingham, England, xxxviii, 130.
Silk-worm, amount of silk from one, viii, 391.
—, new, xxxiii, 206.
Silliman, B., geological notices of New Haven and Litchfield Cos., Conn., ii, 201.
—, on prussic acid, ii, 81.
—, experiments with the gas blowpipe, ii, 282; iii, 89; vi, 349.
—, on an argentiferous galena from Huntington, Ct., and miscellaneous observations on lead ores, iii, 173.
—, circumstances connected with the formation of ice on still waters, iii, 179.
—, progress of American science, v, 197; xliii, 224.
—, tempest of Sept. 3, 1821, iv, 171.
—, natural ice-houses, iv, 174.
—, conversion of cannon balls into plumbago, iv, 179.
—, yellow oxide of tungsten, iv, 187.
—, fusion of charcoal, graphite, anthracite, &c. with the deflagrator, v, 108, 361; vi, 341, 378; x, 109, 119.
—, — ibid, with the compound blowpipe, vi, 349.
—, relations between the calorimotor and deflagrator, and other galvanic batteries, vi, 337.
—, application of fluor to etching glass, vi, 354.
—, on the cutting of steel by soft iron, vii, 342.
—, on the economical use of the anthracite of Pennsylvania, x, 331.
—, — — of R. Island, xi, 78.
—, on the igneous origin of some trap rocks, xvii, 119.
—, on the anthracite region in the Lackawanna and Wyoming valleys, xviii, 308.f
—, notes on Mauch Chunk and other anthracite regions of Pennsylvania, xix, 1.
—, on the safety of steamboats, xix, 143.
—, notice of a fountain of petrolium, or oil spring, of Allegany Co., N. Y., xxiii, 97.
—, on the gold mines and region of Virginia, xxxii, 98.
—, experiments on different varieties of gold rock, xxxii, 105.
—, chemical examination of the coal of Chesterfield Co., Va., xlii, 369.
—, remarks on Phrenology, xxxix, 67.
—, remarks on ancient mounds, xliii, 152.
—, Address before the Assoc. Amer. Geol., 1841, xli, 187;
–1842, xliii, 217.
—, review of Mantell's Medals of Creation, xlviii, 105.
—, work on Chemistry by, noticed, xix, 343; xx, 96.
—, comparison of British and American Journals of Science in 1834, xxvi, 174.
Silliman, B., Jr., on the electrotype, xl, 157.f
—, analysis of the alluvium of the Nile, xl, 190.
—, rhombic structure of Connecticut sandstone, xli, 173.
—, soil of the Nile, xli, 160.
—, a daguerrotype experiment by galvanic light, xliii, 185.
—, use of carbon in Grove's battery, xliii, 393.
—, account of a carbon battery, xliv, 180.f
—, scratches on rocks of Connecticut, xlv, 333.
—, review of Dana's Mineralogy, xlvi, 362.f
—, analysis of Haydenite, xlvi, 379.
—, on meteoric iron from Otsego Co., N. Y., xlvi, 401.
—, on the trap and sandstone of Connecticut, xlvii, 107.
—, natural polariscope, xlvii, 418.
—, analysis of waters of the Dead Sea, xlviii, 10.
—, analysis of the mud of New Haven harbor, xlviii, 337.
—, reply to C. U. Shepard on a notice of his Mineralogy, xlviii, 179.
—, notice of meteoric iron from Cambria, near Lockport, N. Y., xlviii, 388.f
Silliman, B. D., experiments on topaz, x, 352.
—, notice of an Aurora, xiv, 91.
Sillimanite, named, described and analyzed byG. T. Bowen, viii, 113.
—, notice of, viii, 195.
—, compared crystallographically with Kyanite,C. U. Shepard, xii, 59.f
—, crystal of, with analyses, xlvi, 381.f
—, analysis of, xlviii, 219.
—, analysis byT. Thomson, xlix, 396.
—, locality of, and of monazite, in Westchester Co., N. Y., xlvi, 207.
Silphium, v, 301.
Silurian or transition system, xxxv, 243.
— — —,R. I. Murchisonon, noticed, xxxvi, 399; xxxvii, 219; xliv, 193.
— system of England and Europe, xxxvii, 219.