— iron, seeIron.
— intensity, at great elevations,J. D. Forbes, xxxi, 369.
— —, at different places in Europe, xl, 30.
— —, in Ireland,H. Lloyd, xxxv, 296.
— —, daily variation and changes in,H. Lloyd, xlvi, 391.
— —, in different places in the United States, xl, 378.
— investigations, byW. Scoresby, xlviii, 33.
— needle,dipping, theory of adjusting,T. H. Perry, xxxvii, 277.
— —, —, manipulations of,J. Locke, xlii, 235.
— —, dip of, seeMagnetic dip.
— —, on the influence of the Aurora on, xxxiv, 285.
— —, ibid,Franklin, xvi, 148.
— —, ibid,J. Henry, xxii, 143.
— —, ibid, of Jan., 1837, New Haven, xxxii, 179.
— —, ibid, in July, 1837, xxxiii, 146.
— —, ibid, at Schenectady, Jan., 1837, &c.,B. F. Joslin, xxxv, 152.
— —, ibid, Nov. 14, 1837,E. C. Herrick, xxxiv, 269.
— —, ibid, xl, 48.
— —, ibid, May, 1840, at Toronto, xl, 337.
— —, ibid, as seen at Greenwich, xl, 338.
— —, influence of coasts on the deflection of, xxviii, 62.
— —, — of heating to the temperature of boiling water, xxxviii, 180.
— —, influence of iron cooled to a low red heat, xxix, 348.
— —, improvement in the manufacture of,A. Eaton, xii, 14.
— —, improvement in, reply to the same, xii, 232.
— —, made of thin plates not in contact,W. Scoresby, xxxiv, 398.
— —, oscillations of, differing near different metals, xv, 182.
— —, polarity and dip of, a remark on, xxix, 353.
— —, made to indicate the true north, xxvi, 90.
— —, on the connexion of the theory of the earth with the secular variations of,J. H. Lathrop, xxxviii, 68.
— needles, best position of three, for mutual action,H. Lloyd, xxxviii, 96.
— observations, a union of effort urged for carrying on, xviii, 380.
— —, great scheme for, by the Royal Society of London, xxxvii, 198.
— —, ibid, by British Association, xl, 335; xlii, 151; xliii, 374.
— —, in Russia and other countries, in progress, xlii, 153.
— —, coöperation of the Amer. Acad. of Arts and Sciences in a general system of, xxxix, 193.
— —, corresponding, byA. D. BacheandH. Lloyd, xli, 260.
— observatory at Dublin, xxxiv, 3.
— poles, revolution of the two, xxix, 352.
— polarity, notice of,D. H. Barnes, xiii, 70.
— —, reply toD. H. Barnes, xiv, 121.
— — of rocks, xx, 198.
— power of a galvanic battery, v, 388.
— separating machine formagneticores of iron, used at Franconia, xviii, 289.
— variation, daily, different in different places, xix, 189.
— —, at Perth, Scotland, xl, 342.
— —, at Paris, France, xxxi, 190.
— —, remarks on,N. Bowditch, xvi, 64.
— —, for the United States,E. Loomis, xxxiv, 290f; xxxix, 41f; xliii, 106.
— —, table made from observations at Boston, Falmouth and Penobscot, xvi, 60.
— —, at Providence, R. I.,M. B. Lockwood, xliv, 314.
— —, at Troy, N. Y., xvii, 198.
— —, in some parts of New York State, xxxvi, 28.
— —, in Connecticut,G. Gillet, xxiii, 205.
— —, at Yale College, xxx, 221.
— —, at Westchester, Pa., observations byA. D. Bache, xxvii, 385.
Magnetism, animal, v, 192; xiii, 175.
—,Davis'sManual of, xliii, 381.
— of the earth, especially of the arctic regions,E. Sabine, xvii, 145.f
— —, causes of,B. F. Joslin, xix, 398.
— —, views ofJ. Hamilton, xxxvii, 100.
— —, views ofS. L. Metcalf, xxvii, 153.
— —, views ofRowall, xli, 41.
— —, effect of, on the precipitation of silver, xvi, 262.
— chemical effects of, viii, 374.
—, supposed influence of, in combinations and crystallizations, byO. L. Erdmann, xviii, 395.
—, influence of, xvi, 262.
—, connexion of, with electricity, iii, 386.f
—, connexion of, with heat and electricity,J. F. Dana, vi, 163.
—, —, with light,G. Gibbs, i, 89.
—, —, with geology,J. Locke, xlvii, 101.
—, conversion of, into electricity, xxii, 386.
—, currents and sparks of electricity from,J. Henry, xxii, 403.
—, destroyed by lightning, xii, 382.
—, Gauss's theory of, tested by observations,E. Loomis, xlvii, 278.
—,Hansteen'sdiscovery in, v, 190.
—, influence of heat on, xxii, 361.
— of soft iron, acquired by induction, retained for some time if the armature is not removed, xxviii, 63.
—, molecular forces, on the disturbance of, by,C. G. Page, xxxiii, 118.
— produced by friction, xix, 394.
— — by a stroke of lightning, vi, 394.
— — by voltaic electricity, iii, 383.
— — by the solar rays, xiii, 171.
—, double helix for inducing,C. G. Page, xxxv, 261.f
Magnetization, some phenomena of,De Nairac, xxvii, 401.f
Magneto-electricapparatus, and experiments,J. P. Emmet, xxiv, 78f; xxvi, 311; xxviii, 331.
— - — — —,J. Henry, xxviii, 331.
— - — — —,E. M. Clarke, xxxiii, 213.f
— - — — —,C. G. Page, xxxiv, 163f, 364f; xxxv, 112f, 252f; xxxvii, 275f; xlviii, 392.
— - — —,O. W. Gibbs, xxxix, 132.
— - — — —,J. H. Abbot, xl, 104.f
— - — electrepeter,E. M. Clarke, xxxiii, 224.f
— - — —,C. G. Page, xxxv, 112.f
— - — electrotome,C. G. Page, xxxv, 112f, 253.f
— - —, formula, xxxv, 356.f
— - — multiplier,C. G. Page, xxxvii, 275.f
— - — shock increased by a long coil,J. Henry, xxviii, 331.
— - — — increased by passing it through a portion of the generating magnet,J. P. Emmet, xxviii, 331.
Magneto-electricity,J. Locke, xxxiv, 125.f
Magnetometer, new,A. D. Bache, xl, 380.
Magnolia grandiflora, xxvi, 314.
Mahogany, artificial, ix, 206.
Mahomet Ali, notice of, xxviii, 30.
Maine, geological reports ofC. T. Jacksonon, noticed, xxxii, 193; xxxv, 387; xxxvi, 143; xxxvii, 376.
—, miscellaneous remarks on the geology of,C. T. Jackson, xxxiv, 69;
–actual bituminization of peat, xxxiv, 73.
—, anthracite coal formation of,C. T. Jackson, xxxvi, 149.
—, dikes of trap, and metamorphic limestone,C. T. Jackson, xxxvi, 145, 147.
— iron ore veins,C. T. Jackson, xxxvi, 147, 150.
—, changes of level in,C. T. Jackson, xxxvi, 154.
—, fossiliferous rocks near Moose river, xxxvii, 378.
Maine, list of some plants in,J. W. Bailey, xxxii, 22.
—, minerals of Freyburg and Paris, xviii, 291.
Mairan, on the Aurora Borealis, allusion to, xxix, 388; xxxii, 177; xxxiv, 288, 289.
Maize, from the graves of ancient Peruvians, germination of, ix, 208.
—, sugar from, xliv, 215.
Majorca, notice of a part of, xxvii, 83.
Malachite,in Connecticut, vi, 206, 232.
—, in Massachusetts, i, 115.
—, in New York, viii, 249.
—, in Pennsylvania, i, 236.
—, of Lake Superior copper mines, vii, 45.
Malacrone, a new mineral, xlix, 394.
Malaria, remarks on, xvii, 300; xviii, 339.
—,T. Hopkinson, xxxvii, 196.
— of the Campagna di Roma, xxii, 336.
Malate of lime, in sumach,W. B. Rogers, xxvii, 294.
Malic acid,J. Liebig, xxi, 156.
Malva Lecontii, xlv, 176.
— Nutalloides, xxvi, 313.
— triangulata, vii, 62.
Mammalia, fossil, in Great Britain, xlvii, 186.
—, see farther underZoology.
Mammoth, first use of the name, xix, 388.
—, see farther underZoology.
— Cave, Ky., alabaster (gypsum in curved forms) in,J. Locke, xlii, 206.f
Mandingo, native, from near the river Gambia, account of, xxxv, 305.
Manganese, separation of, from zinc, xlvii, 194; xlviii, 187.
—, commercial value of its ores, how ascertained,E. Turner, xxi, 364.
—, electricity of peroxide of, xxx, 179.
—, examination of the peroxide of,H. C. Lea, xlii, 81.
—, two sulphates of, xvi, 383.
— ores, analyses of,P. Berthier, vii, 366.
— ores, method of assaying, xxviii, 146.
— —, in Connecticut, phosphate, xiii, 196.
— ores, in Maryland, iv, 283; xxvii, 20, 33.
— —, in Massachusetts, ii, 374; iv, 54, 189; vii, 253; viii, 30, 233; ix, 42; xxii, 61;
–siliceous, vii, 251; ix, 22; xxii, 62.
— —, in New York, xlvi, 28.
— —, in N. Carolina, v, 258.
— —, in Nova Scotia, xv, 157.
— —, in Pennsylvania, iv, 38; xiv, 4, 12.
— —, in Rhode Island, viii, 231; ix, 248; xl, 185;
–ferro-silicate, with a figure,C. U. Shepard, xvii, 142.f
— —, in Virginia, iii, 245.
Manilla hemp, account of, xxi, 29; xli, 200.f
Mantell, G. A., museum of, xxiii, 162f; xxviii, 194.
—, —, specimens from, noticed, xxviii, 197.
—,C. Lyell'sremarks at the presentation of the Wollaston medal to, xxviii, 391.
—, presentation of a microscope to, xliii, 206.
—, description of some fossil fruits, xlv, 401.
—, discovery of the Iguanodon, xxvii, 355.f
—, notice of molluskite, xlv, 243.
—, on the geological age of reptiles, xxi, 359.
—, on the Unionidæ of the country of the Iguanodon, xlvii, 402.f
—, on Zoophytes, xxxiii, 329.
—, Wonders of Geology, review of, xxxiv, 387; xxxix, 1.
—, letter toJ. Deane, xlv, 189.
—, Medals of Creation, review of, xlviii, 105.
Manufactories of Lowell, xxvii, 346.
—, limitation of the labor of children in, xii, 194.
Manures, action of,De la Giraudieu, xxvi, 179.
—, action of gypsum in, xxvi, 181.
—, marl for, from Chesapeake Bay, xx, 411.
—, —, from New Jersey,J. Pierce, vi, 237.
—, remarks on calcareous, xxx, 138, 383.
—, use of muriate of lime for, ix, 194.
Map of Maryland, 1835, xxx, 393; xxxii, 191.
— of mountains, iii, 364.
Maps, on contoured,Larcom, xlvi, 394.
—, a mode of illustrating criminal statistics by, xxxi, 379.
Mapping instrument, xx, 159.
Maranta arundinacea, v, 302.
Marble, Carrara, an altered oolite, xxx, 176.
—, and flagstones, strength of,E. Hodgkinson, xliv, 168.
—, durability of, as compared with granite, xv, 168.
—, in Massachusetts, white, iv, 40; viii, 14; xxii, 28.
—, —, clouded, viii, 14.
—, —, dove colored, viii, 14.
—, —, elastic, of Lanesboro' and West Stockbridge, viii, 15.
—, —, — and flexible, of Berkshire, Co., ix, 241.
—, —, tortuous layers of, viii, 28.
— in Vermont, xxxv, 390.
— in Connecticut, ii, 141, 165, 219, 222.
— —, verd antique in Connecticut, ii, 165.
— in New York, at Hudson, transition, vi, 371.
— —, in the Stonybrook Mts., v, 29.
— —, serpentine, v, 29.
—, Potomac breccia, xxvi, 221; xxvii, 22.
—, of Maryland, xxvii, 24, 27.
— —, white, of Hagerstown, v, 264; xxvi, 222.
— in Kentucky, iii, 234.
— in Missouri, iii, 23.
—, yellow, of Tabriz, xxxvii, 355.
Marcet, F., influence of the moon on the weather, xxvii, 192.
—, boiling point in vessels of different materials, xlvii, 190.
Mariner's compass, the invention of,A. Humboldt, xl, 242.
Marl, apparatus for analyzing,W. B. Rogers, xxvii, 299.f
— from Farmington, Ct., analysis of,E. Hitchcock, xxxvi, 176.
— in New York, iii, 237.
— for manure, from near the Chesapeake Bay, xx, 411.
— of New Jersey, identical with the chalk of England,S. G. Morton, xxii, 90.
— — —, analysis of, xvii, 277.
— — —, on the application of, to agriculture,J. Pierce, vi, 237.
—, shell, in Maryland, xxvii, 3.
— beds of Virginia, xi, 54.
— pits, in N. Carolina, organic remains of,H. B. Croom, xxvii, 168.
— from Ashley river, S. C., composition of,J. L. Smith, xlviii, 101.
— — — infusorial character of,J. W. Bailey, xlviii, 102.
— in Wayne Co., Ohio, xxxi, 55.
—, red calcareous, in Texas,J. L. Riddell, xxxvii, 211.
Marmalite, description and analysis of,T. Nuttall, iv, 17, 19.
Marsh, R., meteorological register, xlix, 212.
Marsupial fossils of the Stonesfield slate, xxvii, 412; xxxvii, 228.
— —, see underZoology.
Martha's Vineyard, notices of geology of, vii, 240.f
— —, ibid,C. Lyell, xlvi, 318.
Martin, A. St., account of the opening into his stomach, and experiments on the gastric juice of,W. Beaumont, xxvi, 194.
Martin, J., on the central forces of bodies revolving about fixed axes, xxxix, 262.f
Martius, C. F. P. von, on the spiritual life of plants, xl, 170.
—, works of, noticed, xlv, 217; xlviii, 207.
Maryland, Bare Hills, near Baltimore,H. H. Hayden, xxiv, 349.f
—, minerals of,G. W. Carpenter, xiv, 1.
—, — of Baltimore and Harford Cos.,P. T. Tyson, xviii, 78.
—, chromic iron of, iv, 321; xxiv, 349, 355; xxvii, 18, 20.
—, Appalachian chain in,W. E. A. Aikin, xxvi, 219.f
—, notice of the Geological Report and Map of,J. T. DucatelandJ. H. Alexander, xxvii, 1; xxx, 393; xxxii, 191.
—, Mastodon longirostris in, xliii, 143.
—, caves in, containing saltpetre, xxvii, 33.
—, coal in,J. T. DucatelandJ. H. Alexander, xxvii, 29.
—, —, chemical analysis of, ibid, xxvii, 31.
—, tertiary fossils of,I. Lea, xxv, 422.
—, infusoria in, xlvi, 137f; xlviii, 201, 330.f
Mason, E. P., micrometric measures of eclipse of the sun, Sept. 1838, xxxv, 174.
—, on some nebulæ, xl, 37.
—, obituary notice of, xl, 407; xliii, 381.
Mason, O., chemical examination of the bark of the white birch, xx, 282.
Masonite, description and analysis of,C. T. Jackson, xl, 186.
—, composition of, xlviii, 218.
Massachusetts, geology and mineralogy of a section of, with a part of New Hampshire and Vermont, including notices of rocks, soil, changes in the river, Indian relics at Deerfield, minerals, &c.,E. Hitchcock, i, 105.f
—, ibid of Connecticut valley,E. Hitchcock, vi, 1f, 201f;
–granite, 2;
granitic veins, 12;
graphic granite, 16.
—, geology and mineralogy of Connecticut valley,E. Hitchcock, pseudomorphous granite, vi, 17;
gneiss, 18; vii, 29;
hornblende slate, vi, 20;
mica slate, 22;
talcose slate, 26;
chlorite slate, 27;
syenite, vi, 28;
trap, 31, 44;
argillite, 35;
granular limestone, 37;
sandstone, 39;
fossil bones, 43;
coal formations, 61; vii, 28;
fossil fish, vi, 76;
localities of various minerals, ores, &c. 201; vii, 30.
—, scenery of, and miscellaneous notices,E. Hitchcock, vii, 1;
–Mount Holyoke, &c. 5, 9, 10;
Bellows Falls, 12;
Turner's Falls, 13;
ancient lakes, 16;
Sunderland cave, 19;
Goshen graphic granite, 22f;
pseudomorphous granite, 22.f
—, tabular arrangement of the rocks of,E. Hitchcock, vii, 24.
—, Report on the Geology of,E. Hitchcock, xxii, 1f;
–Economical Geology, giving an account of the soils from different rocks, &c., 1;
useful rocks and minerals, 13;
granite quarries, prices, &c., 14;
gneiss quarries, &c., 18;
quartz rock, 22;
mica and talcose slate, 23;
limestone, 24;
marble, 28;
serpentine, 29;
steatite or soapstone, 31;
slates, clays, peat, &c., 23, 38;
buhrstone, 40;
coal, 41;
graphite, 46;
mineral waters, 47;
metals and their ores, 50.
—, — (second) on the Economical Geology of, including remarks on soils and modes of analysis adopted byS. L. Dana, xxxvi, 363.
—, — on the Geology of, noticed, xxiii, 389; xxvi, 213; xxxvi, 363; xli, 384.
—, Report on the water courses, terraces, ancient lakes, and the alluvial and rock formations of,A. Smith, xxii, 205.f
—, geology and mineralogy of the vicinity of Williams College, Williamstown, including notices of the Taconic range, of granite, gneiss, quartz, granular limestone, and other rocks and minerals,C. Dewey, i, 337.f
—, — and mineralogy of western, including a small part of the adjoining states,C. Dewey, viii, 1f, 240;
–granite, 4;
gneiss, 5;
mica slate, 6;
trap and hornblende rocks, 9;
syenite, 10;
serpentine, 11;
granular limestone, 13;
quartz rock, 16;
argillaceous slate, &c., 18;
dip and course, 27;
ores and minerals, 30, 243;
alternations of mica slate and granular limestone, 15, 240.
—, geology of the vicinity of Lowell, xxvii, 340.
—, — Hampshire Co., with an account of the lead mines,A. Nash, xii, 238.f
—, — Martha's Vineyard and the Elizabeth Islands, vii, 240f; xlvi, 318.
—, granite veins and beds of Chester,E. Emmons, viii, 250.f
—, coal in,E. Hitchcock, vi, 61; vii, 28; xxii, 41; xxxvi, 377.
—, —, at Wrentham, xxiii, 405.
—, —, at Mansfield,C. T. Jackson, xxxiv, 395.
—, —, probable age of,C. Lyell, xlvii, 214.
—, footprints in sandstone of, seeFootprints.
—, fossil fish of,E. Hitchcock, iii, 222, 365; vi, 76.f
—, cave in Mount Toby, i, 111.
—, caves in Western, viii, 15.
—, mineral localities,C. Dewey, i, 337; viii, 1.
—, — —,E. Hitchcock, i, 112; vi, 201; vii, 30; xiv, 215.
—, — — of Chesterfield and Goshen,G. Gibbs, i, 346.
—, — — of Charlestown quarries,J. E. Teschemacher, xxxviii, 194.
—, — —, see farther under the names of the different minerals.
—, steatite or soapstone in, xxii, 31; xxvii, 341, (seeSteatite.)
— lead mines, vi, 204; ix, 166, 249; xii, 238f; xxii, 56.
— iron ores, v, 20; vi, 208, 209; x, 14; xxii, 50; xxxvi, 378.
—, tin in, xvi, 188; xxii, 62.
—, indications of gold in, xxii, 63.
—, graphite or plumbago in, vi, 248; viii, 54; x, 18; xviii, 377; xxii, 46.
—, — of Worcester, probable age of,C. Lyell, xlvii, 214.
—, statistical tables of, xxxiv, 213.
—, — — of Boston, xxxix, 395.
—, Indian relics, at Deerfield, i, 108.
—, Mount Holyoke, height of, i, 112.
—, latitude and longitude of Deerfield, i, 112.
—, Lebanon mineral spring, viii, 21.
Mastodon, tooth of,J. Wyman, xxxix, 53.
—, dental system, xl, 377.
— remains, in Connecticut, at Berlin, xxvii, 165.
— —, —, at Cheshire, xiv, 187.
— —, in New York, near Rochester, xix, 358f; xxxiii, 201.
— —, —, in Chatauque Co., xxvii, 166.
— —, —, in Orange Co., xxxi, 171.
— —, in New Jersey,J. Van Rensselaer, xi, 246.
— —, in Virginia, Wythe Co., xxvii, 352.
— —, —, geological age of, xxvii, 352.
— —, in North Carolina marl pits, Craven Co.,H. B. Croom, xxvii, 168.
— —, in Ohio, near Massillon, xxx, 394; xxxi, 56.
— —, —, in Crawford Co.,J. W. Foster, xxxvi, 189.f
— —, —, in Pickaway Co.,C. Atwater, ii, 245f; xxv, 256.
— —, in Tennessee, near Nashville, xxvii, 354.
— —, Big Bone Lick, Ky., and elsewhere, geological position of,C. Lyell, xlvi, 320.
— —, in Missouri, iii, 22; xxxvii, 191.
— —, —, Gasconade Co., xxxvi, 199.
— —, —, bones from near St. Louis, obtained byA. Koch, xl, 56.
— skeleton, found on the Morris canal, xiv, 188.
— —, found on the Delaware and Hudson canal, xiv, 31.
— longirostris in Maryland, xliii, 143.
— tooth, in Louisiana,W. M. Carpenter, xxxiv, 201.
Matches, kindling without fire, i, 308.
—, lucifer, by whom first made, xviii, 148.
Mathematics, review of the Cambridge course of, v, 304.
Mathematical instrument, short notice of a new, iv, 377.
— problems,T. Strong, ii, 54f, 266.f
Mather, W. W., mode of obtaining aluminium and magnesium, xx, 408.
—, chloride of aluminium and its analysis, xxvii, 241.
—, hydrated chloride of aluminium, xxvii, 253.
—, solubility of bitungstate of ammonia, xxvii, 264.
—, disulphuret of bismuth, xxiv, 189; xxvii, 264.
—, bromine and iodine in the salt springs of Ohio, xlix, 211.
—, new method of cupellation, xxxv, 321.
—, Georgia gold, xxvii, 255.
—, crystalline form of iodine, xviii, 84.f
—, ibid, of xanthite, xviii, 359.f
—, amalgam of platinum, xxvii, 263.
—, iodide of mercury, xxvii, 263.
—, chloriodide of platinum, xxvii, 258.
—, perchloride of platinum, xxvii, 262.
—, iodide of potassium and platinum, xxvii, 257.
—, reduction of iron and silver ores, and on some Mexican and S. American silver mines, xxiv, 213.
—, silver of Lane's mine, Connecticut, xxvii, 256.
—, crystallized tin from solution, xxvii, 254.
—, non-conducting power of water, in relation to heat, xiii, 368.f
—, instrument for measuring the expansion of solids, xxx, 324.f
—, on the possible variation of the length of the day, xlvi, 344.
—, a geological section through a part of Connecticut from Killingly to Haddam, xxi, 94.f
—, geology of the Highlands of New York, xxi, 97.
—, geological survey of Ohio, xxxiv, 196, 347; xl, 126.
—, physical geology of the U. States, east of the Rocky Mountains, xlix, 1, 284.
—, elevation of sedimentary rocks of United States, causes of, xlix, 284.
—, protest with reference to G. W. Featherstonhaugh, xxxiii, 205.
Matter, infinite divisibility of,E. Adams, xxviii, 163.
—, — —,S. Clark, ix, 356.
—, — —,W. Whewell, xxxviii, 113.
—, — —, xxxix, 55.f
—, heavy, demonstration of,W. Whewell, xlii, 264.
—, —, reply toW. Whewellon,R. Hare, xlii, 260.
—, motion the natural state of, xvi, 151.
—, on the vitality of, xv, 54.
Matteucci, C., on electric currents in the nerves, xlix, 387.
—, on animal electricity, xxi, 157; xxxii, 198; xlix, 388.
—, on the decomposition of metallic salts, xx, 187.
—, influence of heat on magnetism, xxii, 361.
—, on atmospheric electricity, xxx, 376.
Mauch Chunk, river, canal and coal region,B. Silliman, xix, 7.f
—, notice of, xx, 163.
Mauna Loa, Hawaii, character of, xvi, 346.
— — and Mauna Kea, Sandwich Islands, xi, 4.
— —, see farther underVolcano.
Mauran, J., improved instrument for venous injection, xxiii, 114.f
Maury, M. F., description of an alembic for distilling amalgam of gold, xxxiii, 66.f
—, on the gold veins of the U. States mine near Fredericksburg, Va., xxxii, 325.
—, on the navigation of Cape Horn, xxvi, 54.
—, on the Gulf Stream and currents of the sea, xlvii, 161.
—, instrument for finding the true lunar distance, xxvi, 63.f
Meade, W., mineral cabinet of, xxvi, 209.
—, on the coal near Tioga river, Penn., xiii, 32.
—, on the anthracites of Europe and America, xii, 75.
—, on the use of anthracite in the making of brick, xviii, 118.
—, mica for spectacle glasses, xviii, 374.
—, analogy of the minerals of northern Europe and N. America, xii, 303.
—, on the artificial preparation of medicinal waters, xxii, 126, 330.
—, on a now mineral spring near Albany, xiii, 145.
—, ibid, at Pittsburgh, xiv, 124.
—, analysis of Lebanon spring, xxxvi, 7.
—, idocrase in New England, vii, 50.
Meal from leguminous fruits, vii, 189.
Mease, J., on spontaneous combustion, xxxiii, 147, 199.
—, on bills of mortality, xli, 306.
—, on some of the vegetable materials from which cordage, twine and thread, are made, xxi, 27.
— andH. Perrine, on the plants used for cordage, xxv, 330.
—, on descents in diving bells, xxii, 327.
Measure of a French metre compared with an English yard, xxi, 382.
Mécanique Céleste, translated byN. Bowditch, xix, 202; xxxv, 17.
Mechanics, analytic, a new general principle of,Jacobi, xliv, 170.
—, experiment in, xxii, 362.
—, review ofAllen's, xvii, 338.
Meconic acid,R. Hare, xii, 293.
Meconine, remarks on, xxiii, 380.
Medals,remarks on, xxvii, 74.
— and coins,J. Allan, xxxvii, 285.
— —,J. W. Draperon, xxix, 157.
— of New Haven,J. Allan, xxxvii, 285.
—, antique, found near Geneva, xx, 391.
— founded byDe Lalande, xxv, 190.
— offered by the Royal Society of London, xxv, 412.
Medal of the Royal Society of London, conferred on C. Lyell, xxx, 174.
—, Wollaston, conferred on L. Agassiz, xxx, 382.
—, Geographical Society, awarded to E. Robinson, xliii, 404.
—, Thomson's scientific, xviii, 198.
Medical electricity,J. Hall, iii, 168.
— School of South Carolina organized, ix, 392.
Medina sandstone, freshwater fossils not occurring in, xlii, 230.
Medusa, fossil,C. S. Rafinesque, iii, 285.f
Megalonyx,R. Owen, xliv, 342.
—, localities of, in the U. States, xxvii, 353; xlv, 209.
Megatherium, no bony armor to, xxxvii, 371.
—, remains of, in Indiana,R. Haymond, xlvi, 294.
—, of Georgia, xxvii, 353.
—, of New Jersey,R. Harlan, xiv, 187.
—, of Patagonia, xxxiii, 105.
Melam,J. Liebig, xxix, 372.
Melamine, xxix, 372.
Melanite of Franklin furnace, N. J., analysis of,H. Seybert, viii, 300.
Mellon,J. Liebig, xxix, 371.
Melloni, M., investigations on heat, xxiii, 185; xl, 313.
—, on radiant heat and diathermancy, xxvii, 228.
Melville Island, rocks of, xvii, 10.
Memoir, seeObituary.
Memory, the process of,I. Orr, xxiii, 278.
—, loss of, from the use of gin, xxvi, 211.
Menardite, supposed new mineral, from Spain, xii, 385.
Mengite, xxvi, 388; xxxix, 249.
Mental aberration as connected with civilization, xxii, 379.
Mercapian,Zeise, xxix, 368.
Mercurial atmosphere, iii, 385.
Mercury, atomic weight of, xvi, 183; xlviii, 402.
—, amalgam of,W. W. Mather, xxvii, 263.
—, congelation of, vii, 192.
—, method of detecting small quantities of, vii, 392.
—, combination of, with metallic wires, xvii, 375.
—, elastic force of the vapor of,M. Avogadro, xxiv, 286.
—, on the vaporization of, in nitric ether,S. Guthrie, xxi, 90.
—, germination on, xix, 202.
—, passage of, from a vessel through a bar of lead bent like a syphon, xxxviii, 180.
—, iodide of,W. W. Mather, xxvii, 263.
—, compounds of,Donovan, ii, 350.
—, sesqui-sulphate of, xviii, 364.
— mines of Spain, xxviii, 21.
— — of Idria, xxix, 219.
Mercury, observations on the transit of, May, 1845,D. Olmsted, xlix, 142.
Meridian, measurement of, v, 190.
—, length of a degree of,T. J. Cram, xxxi, 222.f
—, formula for the establishment of a true, xxv, 261.f
Merino sheep, v, 189.
Mermaid, ii, 178; vi, 195.
Mesotype in N. Hampshire, xviii, 133.
— in New Jersey, v, 239; xl, 69.
Metagallic acid,Pelouze, xxviii, 126.
Metals, action of, on inflammable gases, xvii, 168.
—, apparatus for combustion of metals in chlorine, xiv, 354.f
—, crystallization of, by galvanic influence,G. Bird, xxxiii, 267.
—, distribution of, according to their electric qualities,J. P. Emmet, xxv, 272.
—, electro-chemical reduction of,Becquerel, xxxi, 164.
—, electro-precipitated, structure of, xlix, 390.
—, letters on, permanent after fusion, xxv, 197.
—, reduction of, by azote, xix, 371.
—, singular modifications of the ordinary action of nitric acid on, xxxiii, 286.
—, solubility of, in persulphate and perchloride of iron,J. Napier, xlviii, 190.
—, new, aurum millium, ii, 363.
—, —, didymium, xliii, 404.
—, —, donium, xxxi, 163.
—, —, erythronium, supposed new, xx, 386.
—, —, lanthanium, xxxvii, 192.
—, —, pelopium and niobium, xlviii, 400.
—, —, ruthenium, xlviii, 401.
—, —, selenium, i, 310.
—, —, thorium, xvii, 381.
—, —, vanadium, xx, 386.
—, sulphurets, new method of precipitating, xlvii, 193.
Metallic casting, vii, 190.
— decompositions by phosphuretted hydrogen, xviii, 403.
— salts,C. Matteuccion the decomposition of, xx, 187.
— vegetation, ii, 349.
— wires and springs, on tempering, xx, 393.
Metalliferous veins, course of, and origin,R. W. Fox, xxxi, 373.
— —, electro-magnetic properties of, xx, 136.
Metamorphic changes at the Lipari Islands, xxxiii, 77.
— agency, as indicated by certain crystals in some rocks in N. York, &c.,L. C. Beck, xlv, 143; xlvi, 333.
— changes in iron ore by trap dikes, in Nova Scotia, xv, 212.
— — by artificial heat in a sandstone,E. Emmons, xlv, 146.
— — by heat, through the medium of heated water,J. D. Dana, xlv. 104.
— —, by dikes,J. D. Dana, xlv, 113.
— origin of granite,R. H. Bonnycastle, xxx, 245.
— granite,J. D. Dana, xlv, 108.
— limestone, Carrara marble an instance of, xxx, 176.
— limestones, Maine,C. T. Jackson, xxxvi, 146.
— rocks of N. Hampshire, notice of,C. T. Jackson, xlv, 145.
Metamorphism, related to pseudomorphism, xlviii, 92.
—, heated water an agency in,B. Silliman, xliii, 247.
Meteors,instances of some remarkable,D. Olmsted, xxvi, 133.
— seen in Canada, April, 1840, xxxix, 383.
— seen in Connecticut, Dec. 14, 1837,E. C. Herrick, xxxvii, 130.
— — —, at New Haven, March, 1813,S. E. Dwight, xiii, 35.
— — —, at New Haven, March 31 and April 1, 1826,A. C. Twining, xi, 184.
— — —, at New Haven, May, 1840, xxxix, 382.
— — at Boston and N. Haven, in Nov., 1841, xliii, 399.
— — in England, Nov. 26, 1758, xxxv, 231.
— — —, August 18, 1783, xxxv, 231.
— — in Greece, xxxix, 381.
— — in Illinois, in day time, Aug. 20, 1836, xxxiii, 402.
— — in Maine, Aug. 7, 1823, vii, 170.
— — in Massachusetts, near Boston, October, 1689, xliii, 399.
— — in New Hampshire, at Rochester, 1837, xxxiii, 200.
— — in New York, of a green color, Feb. 11, 1828,B. D. Silliman, xiv, 199.
— — in North Carolina, at Fayetteville, xlix, 408.
— — in Vermont, at Burlington, April 14, 1826,G. W. Benedict, xi, 120.
— — in West Indies, at Antigua, xxxix, 381.
—, combustible, in Moscow, March, 1832, xxvi, 134.
—, gelatinous, account of, ii, 335.
—, —,E. Hitchcock, xxv, 362.
—, —, in 1718, in India, xxvi, 133.
—, —, in 1796, in Lusatia, xxvi, 133.
—, called inflammable snow,Hermann, xxviii, 361.
—, mucilaginous, xlvii, 197.
—, theory of,W. G. Reynolds, i, 266.
—, see farther,Shooting star.
Meteoriciron, on chlorine in,C. T. Jackson, xxxiv, 332; xlviii, 145.
— —, ibid,A. A. Hayes, xlviii, 147.
— —, ibid,C. U. Shepard, xxxvi, 81; xl, 369; xliii, 359.
— — in Africa, xxxvi, 213.
— — in Europe, Bohemia, found in 1829, xix, 384.
— — —, in France, xxxiii, 257.
— — —, at Magdebourg, xxviii, 288.
— —, North American, in Alabama, Claiborne Co., analysis of,C. T. Jackson, xxxiv, 332.
— —, —, ibid,C. T. JacksonandA. A. Hayes, xlviii, 145.
— —, —, in Alabama, xliii, 169.
— —, —, in Alabama and Tennessee,G. Troost, xlix, 336.f
— —, —, in Connecticut, Canaan, (?callednative iron,) xii, 154.
— —, —, ibid, analysis of,C. U. Shepard, xii, 155.
— —, —, in Mexico,Burkart, xxviii, 288.
— —, —, in N. York, near Oswego,C. U. Shepard, xl, 366.f
— —, —, —, near Lockport,B. Silliman, Jr., xlviii, 388.f
— —, —, —, at Burlington,B. Silliman, Jr., xlvi, 401.
— —, —, in North Carolina, (callednative iron,) v, 262.
— —, —, —,C. U. Shepard, xvii, 140.
— —, —, —, Buncombe Co.,C. U. Shepard, xxxvi, 81; xliii, 359.
— —, —, —, Guilford Co.,C. U. Shepard, xl, 369.
— —, —, in Tennessee, description and analysis of,G. Troost, xxxviii, 250.
— —, —, ibid, analysis of,C. U. Shepard, xliii, 354.
— —, —, in Tennessee,G. Troost, xlix, 336.f
— —, —, of Texas, account of, viii, 218; xxxiii, 257.
— —, —, —, analysis of,C. U. Shepard, xvi, 217.
— —, —, —, a mass, presented to Yale College, xxvii, 382.
— —, —, in Virginia, xliii, 169.
— —, South American, near Bogota, ix, 194.
— —, see farther underMeteorite.
— phenomena,Adie'smode of registering, xxviii, 70.
— rain in Hungary, terrestrial origin of, xliii, 401.
— shower of grain, xli, 40.
— — of fish, xli, 40.
Meteorites,on the nature and origin of,J. Berzelius, xxxvii, 93.
—, — ibid,J. L. Ideler, xxviii, 288.
—, — ibid,Fleurian de Bellevue, v, 170.
—, African, Cold Bokkeveld, notice of, xxxvi, 393; xl, 199.
—, —, ibid, analysis of, xxxvii, 190.
—, in Asia, Hindoostan, 1834, xxx, 175.
—, in Europe, France, in the Commune of Juvenas, 1821, v, 175.
—, —, —, ibid, analysis of, vi, 397.
—, —, —, in the Dept. of Loiret, 1841, xlii, 203.
—, —, —, of Chateau-Renard, characters and analysis of, xlii, 403.
—, —, —, near Bethune, xlii, 203.
—, —, in Moravia, 1833, xxx, 175.
—, —, in Silesia, at Grüneberg, xlii, 203.
—, inNorth America,
—, —, Connecticut, at Weston, analysis of, i, 273.
—, —, —, ibid, some considerations on its velocity, course, &c.,E. C. Herrick, xxxvii, 132.
—, —, Georgia, May, 1829, notice of the fall of, xviii, 388.
—, —, —, May, 1829, description of, xviii, 389.
—, —, Maine, August, 1823, analysis of, ix, 400.
—, —, Maryland, February, 1825, notice of,S. D. Carver, ix, 351.
—, —, —, ibid, analysis of,G. Chilton, x, 131.
—, —, —, ibid, description of, x, 135.
—, —, Massachusetts, East Bridgewater, May 5, 1837, xxxii, 395.
—, —, Missouri, February, 1839,E. C. Herrick, xxxvii, 385.
—, —, Tennessee, fall of, at Nashville, xv, 358; xviii, 378.
—, —, —, 1827, analysis of, xvii, 326.
—, —, —, ibid, general characters of, xviii, 200.
—, —, Virginia, Richmond, June 4, 1828, xv, 195.
—, —, —, ibid, description and analysis of,C. U. Shepard, xvi, 191.
—, —, —, apatite in,C. U. Shepard, xlv, 102.
—, —, —, Grayson Co., xliii, 169.
—, in South America, Brazil, xxxiv, 209.
—, Sandwich Islands, xlix, 407.
Meteorological correspondence ofMorin, xxvii, 172.
— facts and phenomena, review of various,W. C. Redfield, xxv, 122; xxxiii, 50.
— memoranda, ancient, xlii, 399.
— observations, rules for making,C. Dewey, xi, 59.
— —, mode of making at the Albany Institute, &c., xxx, 194.
— —, balloons a means of making,D. Brewster, xlii, 150.
— — made at the equinoxes and solstices, report on the reduction of, before the British Association, 1840, xl, 311.
— — ibid, report of progress, xlii, 149.
— —, on the progress of the great coöperative system of,J. F. W. Herschel, xliii, 372.
— —, in Asia, at Canton,W. C. Redfield, xxxviii, 267, 272.
— —, —, at Singapore, 1839-1841,J. S. Travelli, xliv, 151.
— —, —, at Trevandrum, hourly, notice of, xl, 322.
— —, —, in the Ghâts of Western India, xxxviii, 103.
— —, in England, at Plymouth, hourly, notice of a report on, xlii, 149; xliii, 369.
— —, —, hourly, at Inverness and Kingussie, some deductions from,D. Brewster, xxxviii, 95; xl, 321.
— —, —, hourly, at Inverness and Unst, in progress, xlii, 150.
— —, North American, in Canada, at Montreal,J. S. McCord, for 1836, xxxiv, 208.
— —, —, ibid, for 1837, xxxv, 382.
— —, —, ibid, for 1838, xxxvi, 180.
Meteorological observations,North American, in Canada, at Montreal,J. S. McCord, for 1836-1840, xli, 330.
— —, —, at Newfoundland,W. C. Redfield, xxxviii, 265, 269.
— —, —, New England, ancient, xliii, 398.
— —, —, in Connecticut, at New Haven, 1766, 1767, xxviii, 183.
— —, —, ibid, for 1827,D. Olmsted, xiv, 176.
— —, —, ibid, for 1828,D. Olmsted, xvi, 70.
— —, —, in Cuba, at San Fernando,J. H. Blake, xlii, 292.
— —, —, in Cuba, at Matanzas, 1832-33,A. Mallory, xxvi, 89; 1835, xxxi, 287.
— —, —, in U. States, at different military posts, by surgeons of the army, xii, 149.
— —, —, in New England, in the years 1741 to 1757,J. Winthrop, xl, 204.
— —, —, in Florida, 1833,H. B. Croom, xxv, 69.
— —, —, in Georgia, 1832-33,W. H. Williams, xxv, 211.
— —, —, —, 1833-34, xxvii, 173.
— —, —, in Indiana,D. D. Owen, xxix, 294.
— —, —, in Louisiana, at New Orleans, 1833-1836,Barton, xxxi, 400.
— —, —, —, at Jackson, 1839-1841,W. M. Carpenter, xliv, 49.