— globularis, xxix, 253.f
Kœnig'stransparent paintings, ii, 348.
Kopp, H., on isomorphism, xlvi, 369.
Kuhlmann, on the use of sulphate of copper, alum, &c. in the making of bread, xx, 269.
Kunker, a tufaceous deposit in India,Newbold, xlix, 398.
Kurile Islands, xvii, 32.
Kyanite,analysis byC. H. Rockwell, xlvi, 383.
—, compared crystallographically with Sillimanite,C. U. Shepard, xii, 159.f
—, in Connecticut, i, 352; ii, 238; vi, 219; vii, 253; xviii, 361.
—, in Massachusetts, i, 114; vi, 219; vii, 255; ix, 252; xiv, 216.
—, in New Hampshire, v, 40.
—, in New York, vi, 364.
—, in Pennsylvania, v, 41; ix, 246; x, 220, 222; xiv, 8, 12, 14, 18.
—, in Rhode Island, v, 403.
—, in Vermont, vi, 219, 245, 249.
L.
Laboratory of Dr. Hare, description of, xix, 26.f
Labradorite of Essex Co., N. Y.,W. C. Redfield, xxxiii, 303.
—, in Canada, viii, 66.
Lachrymatories from Milo, xvi, 333.f
Lacker for brass, receipt for, ix, 169.
Lagrange, J. L., works and life of, notice of, xxx, 64; xxxi, 97.
— formulæ for determining the motions of any systems of bodies about a state of equilibrium, correction of an error in,H. J. A., xi, 398.
Lakes, North American, origin of,J. B. Gibson, xxix, 208.
—, — —, action of,H. Schoolcraft, xliv, 368;
–drift sand deposits, 369.
—, — —, raised beaches of,C. Lyell, xlvi, 314.
—, — —, on the changes of level,H. A. S. Dearborn, xvi, 78.f
—, — —, dimensions of, xlvii, 21.
—, — —, influence of, on climate, xlvii, 21.
—, — —, remarks on the supposed tides of,H. Whiting, xx, 205.
—, — —, tides in,D. Ruggles, xlv, 18.
—, bursting of, through mountains, iii, 252.
—, ancient, along the Connecticut valley, vii, 16.
Lake, Chautauque, height of, above the sea, xlv, 17.
— Erie, coast of, xxix, 204.
— —, degradation on, xxxiv, 349.
—, on the eruption of Long and Mud Lake, Vt.,S. E. Dwight, xi, 39.f
— of the Highlands, N. Y., v, 32.
— Huron, account of, and of fossils about, iii, 254f, 270f, 271.f
— Ontario, beaches of, and height, xxxvi, 43.
— —, height of, above tide level, depth and temperature, xxxiii, 403.
— —,C. Dewey, xxxvii, 242.
— of the Woods, position of, determined astronomically, byJ. L. Tiarks, xv, 41.
Lalande, medals founded by, xxv, 190.
Lamp, aphlogistic, iv, 328.f
—, —, platina, xx, 385.
—, new astral, v, 386.
—, hydrostatic, xvii, 161.
—, a new, with inflammable air,J. Green, ii, 330.f
—, new, without flame, i, 207.
—, monochromatic, ofD. Brewster, vii, 363.
—, oil gas, xxii, 387.
—, portable gas, iii, 371.
—, Rumford, xix, 40.
—, voltaic,J. Cutbush, ii, 332.
— black, analysis of, xi, 387.
— glasses, to prevent the cracking of, xxi, 165.
Land and water, distribution of, xiv, 375.
Land surveys in the U. States, present mode of conducting, xix, 131.
Languages,F. Adelung'swork on, iii, 376.
—, number of, on the earth, x, 383.
— of signs, observations on,S. Akerly, viii, 348.
Lanthanium, a new metal, xxxvii, 192.
—, atomic weight of, xlvii, 190.
Lapham, D., problems relating to canals, xxvii, 127.f
—, plan of the canal locks at Cincinnati, Ohio, xxiv, 70.f
Lapham, D.andI. A., observations on boulders in Ohio, xxii, 300.
Lapham, I. A., statement of elevations in Wisconsin, xlvi, 258.
—, notice of the Louisville and Shippingsport canal, and of the geology of its vicinity, xiv, 65.f
Laplace, P. S., eulogy on, xxv, 1.
Larkin'sGeometry, ii, 359.
Latent heat of vapors, ii, 361.
Laterrade, J. F., on the unicorn, xxi, 123.
Lathrop, J. H., applications of the igneous theory of the earth, xxxviii, 68; xxxix, 90.
Lathrop, S. P., ice mountain in Vermont, xlvi, 331.
Latitudes, on determining, xlix, 232.
Latitude, reduction of,T. J. Cram, xxxi, 222.
— of the Hudson (Ohio) observatory, xxxix, 362.
— of Mt. Washington, xli, 384.
— and longitude of Yale College observatory, xxxiv, 309.
Latrobite, analysis of,Gmelin, ix, 330.
Laudanum, denarcotized, mode of preparing,R. Hare, xii, 291.
Laumonite, in Delaware, ix, 246.
—, in New York, vi, 365; ix, 41.
—, in Nova Scotia, xxx, 345.
—, moving rocks in a lake in Salisbury, ix, 239.
Lea, H. C., description of eight new species of shells, xlii, 106.f
—, new tertiary shells from Alabama, xl, 92.f
—, examination of the peroxide of manganese, xlii, 81.
Lea, I., contributions to geology, noticed, xxv, 414.
—, causes and effects of earthquakes, ix, 209.
—, on hybernation, ix, 75.
—, impression in sandstone, v, 155.f
—, on the Naiades, notice of, xvi, 378; xxii, 169; xxvii, 371; xxxv, 184; xlvii, 104.
—, on the northwest passage, x, 138.
—, New Grenada and Cuba, oolitic strata in, xl, 41.
—, Alabama tertiary and list of fossils, xxv, 417, 419.
—, on the Unionidæ, xxii, 170; xxvii, 371.
—, on the genus Unio, &c., notice of, xxxv, 184.
—, on the study of natural history, xi, 218.
—, a halo and parhelia, x, 368.f
Lea, M. C., on the first or southern coal field of Pennsylvania, xl, 370.
Lead,sheet, Chinese process of making, vii, 391.
—, on the use of the hot blast in smelting, xlii, 169.f
—, action of water on, xxxiv, 25; xlvi, 398.
— in sulphuric acid, test for, xvii, 195.
—, sulphate of, action of some alkaline salts on,J. L. Smith, xlvii, 81.
—, tartrate of, a pyrophorus, ix, 207.
—, native, in Europe, x, 191.
— minesof the Hartz, xix, 113.
— — of the United States, proceeds from, x, 398.
— — of the West,J. Locke, xliii, 147.
— — of the West, remarks on the position and origin of, xlvii, 106.
— —, rock of, of the West, identical with the Niagara limestone,J. Hall, xlii, 59.
— — of Lubec, in Maine, xxx, 332.
— — of Massachusetts, ix, 166; xxii, 56.
— — of Hampshire Co., Mass., notices of,A. Nash, xii, 238.f
— — of Southampton, Mass., i, 136; vi, 201.
— — of Whately and Leverett, Mass., vi, 204.
— — of Middletown and Bethlehem, Ct., vi, 205.
— — and ores in New York, xlvi, 28.
— — at Ancram, New York, notice of,C. A. Lee, viii, 247.
— — of northern New York, xxxvi, 24.
— — and ores of Davidson Co., N. C., xli, 183, 348.
— region of Missouri,H. R. Schoolcraft, iii, 248.
— — and ores of Missouri,TroostandLesueur, xii, 379.
— — of Missouri,J. N. Nicollet, xlv, 340.
— — of La Motte, the ore of, not argentiferous, xliii, 64.
— — of the upper Mississippi, notice of Chandler's map of, xvii, 416.
— — of Wisconsin and Missouri,J. T. Hodge, xliii, 35.f
— — of Wisconsin, and mode of working,J. T. Hodge, xliii, 41.f
— ores,observations on, iii, 176.
— —, price of, and of lead in Wisconsin, xliii, 72.
— — of the La Motte mine, Mo., not argentiferous, xliii, 64.
—, native carbonate of, Davidson Co., N. C., analysis of, xli, 183, 348.
—, — —, in Massachusetts, vi, 201; ix, 249.
—, — —, in Missouri, xii, 379.
—, — —, in Wythe Co., Va., xliii, 169.
—, — chloride of, in Massachusetts, vi, 201.
—, — native cupreous sulphato-carbonate of, iv, 29.
—, — diarseniate of,T. Thomson, xxxv, 297.
—, — molybdate of, in Massachusetts, vi, 201.
—, — —, in New York, viii, 249.
—, — red and yellow oxide of, in Wythe Co., Va., xliii, 169.
—, — phosphate of, in Massachusetts, vi, 201.
—, — —, in North Carolina, xli, 183, 348.
—, — sulphato-carbonate of, iv, 29.
—, — sulphato-tri-carbonate of, iv, 29.
—, — sulphuret of, (Galena) crystals, distorted, from Rossie, xlvii, 417.
—, — —, argentiferous ore of Lane's mine, analysis of silver from,W. W. Mather, xxvii, 256.
—, — —, in Canada, viii, 76.
—, — —, in Connecticut, i, 316; iii, 173; v, 44f; xxvii, 256; xxxiii, 162.
—, — —, in Maine, xxx, 332.
—, — —, in Massachusetts, i, 115, 137, 343, 437; vi, 201, 204; viii, 57; xii, 251; xxii, 56.
—, — —, in Missouri and the West, see above, underLead Mines.
—, — —, in New Hampshire, vi, 245; viii, 235; xxxiv, 114.
—, — —, in New York, v, 21, 30; vii, 254; viii, 260; xxv, 350; xl, 76; xlvii, 417.
—, — —, in Rhode Island, viii, 231.
—, — —, in Tennessee, i, 63.
—, — —, in Virginia, i, 63; xliii, 169.
— pipes, strength of, xii, 189; xiv, 369.
—, — used as an aqueduct, hydrogen in,N. Walkly, xxxiv, 393.
—, —, Ewbank's tinned, notice of, xxvi, 210.
—, —, protected by tin, safety of, xxvi, 400.
—, and tin, combustion of the alloy of, xxi, 375.
—, pots, manufacture of, by Messrs. Dixon, xxi, 196.
Leafing of plants, xliv, 419.
Leather, fabrication of Russian, iv, 193.
Leavenworth, M. C., four new plants from Alabama, vii, 61.
—, list of the rarer plants of Alabama, ix, 74.
—, description of the Tullia pycnanthemoides, xx, 343.f
—, on some new species of plants, xlix, 127.
Lebanon, Mt., coal mine of, xxviii, 32.
Lederer's cabinet of minerals for sale, xxix, 392.
Ledererite, supposed new mineral,C. T. JacksonandA. A. Hayes, xxv, 78f, 80.
—, description of, xlvii, 339, 350.
Lederite, a supposed new mineral species,C. U. Shepard, xxxix, 357f; xlviii, 176.
—, of Shepard identical with Sphene, xlvi, 36.f
—, identical with Sphene,B. Silliman, Jr.,xlviii, 180.
—, measurements of, byJ. D. Dana, xlviii, 180.
Lee, C. A., sketch of the geology and mineralogy of Salisbury, Ct., viii, 252.
—, notice of the Ancram lead mine, viii, 247.
Leech, account of, x, 389; xxiv, 160.
Leeches, mortality of, during storms, xvii, 186.
Leedom, E. C., an astronomical machine, xlii, 338.f
Leghorn hats, on the cultivation of the material for, xxii, 363.
Leguminous fruits, flour or meal from, vii, 189.
Leibnitz, G. W. von, notice of life of, xlix, 187.
—, Protogæa of, or his views on the formation of the earth, xx, 56; xxxix, 15.
Leipsic fair, notice of, iv, 392; vii, 381; xxiii, 182.
Leitner, E. T., on double flowers, xxiii, 45.
Lens, crystalline, of animals, how preserved for future examination, xxvi, 216.
Lenzon the saltness of the ocean at different depths, xxiii, 10.
Lepidanche, new genus,G. Engelmann, xliii, 343.
—, appressa, xlv, 77.
—, compositarum, xliii, 344f; xlv, 77.
Lepidolite, analysis of,Gmelin, ix, 329.
—, in Maine, x, 16; xviii, 293.
—, in Massachusetts, i, 350.
Lester, W., geological map of New London and Windham Cos., Ct., xxiii, 404.
Level of the Dead Sea, barometrical observations made to determine, xlii, 214.
—, difference of, between the Black and Caspian Seas, xl, 320.
—, change of, during earthquakes in Calabria, Chile, Scandinavia, Finland, &c.,G. Bischof, xxxvi, 273.
—, —, various examples of,W. W. Mather, xlix, 294.
—, —, in Chile, xxviii, 236.
—, —, —, and elsewhere in S. America,C. Darwin, xxxiii, 100.
—, —, at Ceylon, vi, 194.
—, —, in Great Britain, xxxiii, 97; xxxiv, 27.
—, —, about the North American Lakes,C. Lyell, xlvi, 314.
—, —, about Lake Huron, indicated by ancient beaches, iii, 257.
—, —, about Lake Ontario, ibid,G. E. Hayes, xxxv, 104.
—, —, in Maine,C. T. Jackson, xxxvi, 154.
—, —, in New York, about Canaan mountain, v, 15.
—, —, —, in the Mohawk valley, xxxvi, 31.
—, —, in Palestine,J. D. Sherwood, xlviii, 15.
—, —, on the Scandinavian coast,L. Beamish, xlvii, 184.
—, —, in Sweden,C. Lyell, xxviii, 72, 387.
—, —, in United States and California during the tertiary epoch,T. A. Conrad, xxxv, 245.
—, causes of changes of,G. Bischof,xxxvi, 278.
—, — ibid,W. W. Mather, xlix, 284.
—, — ibid,H. D.andW. B. Rogers, xliv, 360.
Lewis, J. A., Kenawha gas, xlix, 209.
Lewis, W. J., involution of polynomials, xlii, 239.
Lexicography, contributions to English,J. W. Gibbs, xxxiii, 324; xli, 28, 32; xlv, 96.
Leyden jar, effect of freezing water in, viii, 374.
— —, on the discharge of, xxxviii, 6.
Lezch, J. U., volatile acids of butter, xlix, 202.
Lias of the west,S. P. Hildreth, xxx, 395.
Liatris flexuosa, xxxvii, 388.f
— fruticosa, v, 299.
— oppositifolia, v, 299.
— scariosa, iv, 67.
— squarrosa, iv, 66.
Library, Royal, at Paris, size of, viii, 376.
— of Yale College, donation to, from England, xxvii, 184.
Libraries of the world, comparative table of, xxxi, 178.
—, circulating, in England, v, 175.
— of St. Petersburg, v, 177.
Lichen rocella, coloring matter of, xviii, 151.
Liebig, J., on creosote, xxviii, 131.
— andWöhler, on the radical of benzoic acid, xxvi, 261.f
—, on bitter almond oil, xxvi, 263.
Life, on the functions of vegetable,G. T. Burnett, xxi, 153.
—, mean term of, among the Romans, xvii, 188.
—, mean term of, in France and England, xvii, 188.
—, probability of, from registers kept at Geneva, xv, 187.
— of a molluscous animal, singular preservation of, xxviii, 355.
— apparatus, notice ofMurray's, xxviii, 70.
— preservers, xiv, 189.
Lightand heat,S. Morey, ii, 118, 122.
— and magnetism, connexion between,G. Gibbs, i, 89.
—, observations and experiments on,S. Adams, xlii, 123.
—, absorption of, by the atmosphere, xlvi, 201.
—, action of, chemical, xvii, 376.
—, —, in producing chemical changes,J. W. Döbereiner, xxii, 352.
—, —, in decomposing carbonic acid and alkaline carbonates,J. W. Draper, xlvi, 398.
—, —, on the color and movement of plants,D. P. Gardner, xlvi, 1.f
—, —, on an elementary substance, producing, as supposed, a change,J. W. Draper, xlvi, 390.
—, —, on an iodized silver plate, producing electricity, xlvii, 190.
—, — of solar spectrum, chemical, xxxi, 260.
—, — — —, on sensitive paper,J. F. W. Herschel, xxxviii, 110.
—, — of gaseous and other media on the solar spectrum, xlii, 157.
—, blanching effects of, obviated, xxxv, 338.
—, halo of, which surrounds all bodies,Mary Griffith, xxxviii, 22.
—, influence of, on germination,R. Hunt, xliv, 352.
—, —, on the growth of plants, xliv, 352; xlvi, 397.
—, intensity of, how measured, xv, 184.
—, new case of interference of,Powell, xxxviii, 107.
—, apparatus for experiments on inflection and interference of,E. S. Snell, xlix, 26.f
—, latent,J. W. Draper, xliv, 202.
— lines seen at regular intervals, a new property,D. Brewster, xxxiv, 20.
—, magnetic influence of the violet ray of, xviii, 171.
—, — — of the solar rays, xiii, 188.
—, on the deflection of, xviii, 176.
—, monochromatic, for microscopic observations, xiii, 190.
—, oxy-hydrogen, for light-houses, improvement in, by use of sulphate of lime, xxviii, 355.
—, a new kind of polarity in homogeneous,D. Brewster, xxxv, 292.
—, polarization of, by reflection,D. Brewster, xxii, 277.f
—, —, by refraction, laws of,D. Brewster, xxiii, 225.f
—, —, elliptic, of reflected,Powell, xliv, 171; xlvi, 390.
—, —, rings produced in specimens of decomposed glass,D. Brewster, xl, 325.
—, on the passage of, through small apertures, and on the cause of prismatic analysis,C. C. Conwell, xx, 350.
—, on the production of,R. Hare, ii, 172.
—, —,J. L. Sullivan, i, 91.f
—, —, from quicklime, xiv, 385.
—, —, ibid, for geodetical operations, xiii, 188.
—, on the production of, from quicklime, for light-houses,T. Drummond, xxi, 366.
—, reflection of, from different surfaces,Potter, xxviii, 59.
—, action of second surfaces of transparent plates on,D. Brewster, xxiii, 28.f
—, solar, curious effect of, xii, 164.
—, —, as compared with that of the moon and fixed stars, xvii, 362.
—, —, chemical action of, see above.
—, zodiacal, seeZodiacal.
Lights, northern, seeAurora Borealis.
Light-houses, ix, 199.
—, lighted by means of lime,T. Drummond, xxi, 366.
Lighting by gas, seeGas.
— of apartments, new method in Venice, x, 385.
Lightning, cure of asthma by, vi, 329.
—, a case of paralytic affection cured by, iii, 100.
—, effect of a stroke of, xvii, 193; xlvi, 215.
—, effects of a stroke of, in Wethersfield, Ct., xi, 359.
—, — —,J. H. Linsley, xlii, 393.
—, — —, upon the packet ship New York,C. Rich, xxxvii, 321.
—, — —, on three ships, xxxviii, 112.
—, several strokes of, from the same explosion, v, 125.
—, passage of,E. Kellogg, ix, 84.
—, protection of steamboats from,A. Jones, xxii, 106.
—, wet or damp clothes, good conductors of, v, 121.f
—, heat, xix, 187.
—, conductors in ships, utility of,W. S. Harris, xxi, 347.
— rods,R. Hareon, xiii, 322.
— —,J. Murray, xix, 186.
— —, observations on,J. Van Rensselaer, ix, 331.
— —, on the action of, xxxiv, 8, 18.
— —, mode of adjusting, xviii, 361.
— tubes in sand, seeFulgurite.
Lignite, at Auteuil, in France, ii, 351.
—, on the carbonization of, xviii, 371.
— of the ferruginous sand formation, U. States, xviii, 246.
—, in North Carolina, v, 407; xiv, 250.
— of the McKenzie river and northern America, xvii, 4.
—, in Texas, xxxvii, 216.
Ligustrum vulgare, x, 258.
Lilium canadense, xi, 177.
— Catesbæi, xi, 177.
Lime, intense light produced by means of, xiii, 188; xiv, 385; xxi, 366.
—, quantity used in Baltimore in 1832, xxvii, 17.
—, chloride of, x, 386; xv, 391; xvi, 387; xix, 166.
—, —, used in psora, xvi, 395.
—, —, use of, in the navy, xix, 164.
—, —, action of, in alcohol,E. Soubeiran, xxiii, 134.
—, —, manufacture of, at Glasgow,T. Thomson, xli, 48.
—, —, —,G. W. Carpenter, xvi, 177.
—, —, estimation of the bleaching power of, xvii, 170; xxii, 354.
—, —, disinfecting power of, xix, 177.
—, —, disinfection at the Morgue, in Paris, xxi, 149.
—, common and hydraulic, iv, 373.
—, nitrate of, i, 133.
—, phosphate of, seeApatite.
—, sulphate of, from steam boilers,J. F. W. Johnston, xxxv, 300.
—, —, and not carbonate in the waters of Pyrmont, xv, 185.
—, —, used with the oxy-hydrogen flame for light-houses, xxviii, 355.
—, —, seeGypsum.
Limestone, basaltiform, of Kingston, U. C.,R. H. Bonnycastle, xxiv, 97; xxx, 233.f
—, ibid, containing shells, penetrated with syenite,R. H. Bonnycastle, xxx, 243.f
—, in Massachusetts, xxii, 24.
—, fertilizing properties of, xxx, 383.
—, compact, in eastern N. York, viii, 21.
—, —, dove-colored, N. Y., iv, 44.
—, —, rhomboidal structure of, at Boonville, N. Y.,O. P. Hubbard, xxxii, 231.f
—, —, from St. Louis, Mo., analysis of, xliii, 21.
—, —, of N. Carolina, analysis of,J. T. Hodge, xli, 334.
—, fetid, iii, 234.
—, granular, in the U. States, xli, 240.
—, —, —, in Maine,C. T. Jackson, xxxvi, 145, 147.
—, —, singular conformation near Williamstown, Mass.,C. Dewey, ix, 19.f
—, —, in Bolton, Mass., vii, 52.
—, —, ranges of, through western Massachusetts, viii, 13, 28.
—, —, ibid, alternation with mica slate, viii, 15.
—, —, of the Connecticut valley, vi, 37; viii, 240.
—, —, ibid, alternating with mica slate, viii, 240.
—, of Connecticut, at Salisbury, viii, 240.
—, —, of New York, v, 266.
—, —, of Pennsylvania, v, 41.
—, —, &c., near Hudson's Bay, xvii, 13.
—, —, of Maryland, fossils in, xxvi, 222.
—, granular, of New Jersey, minerals of, v, 239.
—, —, ibid, alternating with granite rocks, v, 247.
—, —, passing above into a secondary fossiliferous limestone, v, 247.
—, effect of trap dikes on, xxix, 351.
—, hydraulic, of New York, xxxix, 96; xlvi, 29.
—, —, in the Appalachian chain, xxxvii, 381.
—, —, magnesian character of, xxxvii, 381.
—, polished, of Rochester,C. Dewey, xxxvii, 240.
—, siliceous, (argentine) in Massachusetts, v, 268.
Limonia acidissima, v, 295.
Lincoln, B., notice of a water spout, xiv, 171.f
Lincolnite,E. Hitchcock, xlvii, 416; xlviii, 64.
—,C. U. Shepard, xlviii, 175.
—,B. Silliman, Jr., xlviii, 180.
— identical with Heulandite,F. Alger, xlvi, 233.f
Lindernia saxicola, xliv, 83.
Lindley, J., review of the natural system of Botany of, xxxii, 292.
—, effect of the frost of the winter 1837-38, on plants in England, xxxix, 18.
Linen, a substitute for, found at Salem, Mass., xxvii, 179.
Lingula, fossil, indicating marine currents, near Lockport, N. Y., xxxvi, 37.
Linnæus, C., notice of an autobiography of, iii, 379.
—, life and works of,C. Fox, xxxvii, 142.
—, Systema Vegetabilium, a new edition of,Romer, i, 435.
—, letters from, to C. Colden, xliv, 111.
—, memoir of, xxv, 151.
—, notice of the herbarium of, xl, 2.
Linsley, J. H., catalogue of the birds of Connecticut, xliv, 249.
—, catalogue of the fishes of Connecticut, xlvii, 55.
—, catalogue of the mammalia of Connecticut, xliii, 345.
—, catalogue of the reptiles of Connecticut, xlvi, 37.
—, on a stroke of lightning, xlii, 393.
—, obituary notice of, xlvi, 216.
Liquefaction of gases,M. Faraday, vii, 352; xlix, 373.
— —,J. Torrey, xxxv, 374.
— —,J. K. Mitchell, xxxv, 346.f
Liquids, principles of the resistance of,L. R. Gibbes, xxvii, 135.
—, — —,A. Bourne, xxviii, 231.
—, — —,G. W. Keely, xxviii, 318f; xxx, 164; xxxi, 111.
—, — —,E. W. Blake, xxix, 274; xxx, 359.
—, — —,Russel, xxix, 351.
—, revolving motion in, xix, 391.
— of different specific gravities together, rotation of,W. R. Johnson, xxvii, 84.f
—, on the upward forces of,E. C. Genet, xi, 110, 339f; xii, 94, 310; xiii, 377.
—, ibid, reply byT. P. Jones, xiii, 79.
Lister, Martin, notice of,C. Fox, xxxvii, 137.
Lithia, a new alkali, i, 309.
—, blowpipe test, when mixed with soda, xlviii, 193.
—, new process for obtaining,Quesneville, xx, 194.
Lithographicestablishment in Portugal, ix, 366.
— impressions of leaves of plants, v, 170.
— paper, iii, 370.
— printing of MSS., iv, 197.
— stone, new locality of, in Spain, v, 386.
— —, locality in the French Pyrenees, xlix, 401.
Lithography, notice of, iv, 169.
Litmus paper, as prepared byGay Lussac, xvii, 165.
Litrameter, on the, xi, 133.f
Litton, A., a double sulphite of the protoxide of platinum and soda, xliv, 274.
Liver pies of Strasburgh, xxii, 194.
Liverpool, objects of interest in, xxxiv, 52.
Living molecules,R. Brown's, xvii, 390.
— particles in all kinds of matter, motion of, xix, 393.
Lizards in chalk, xxxvii, 402.
—, see underZoology, Reptiles.
Lobelia aphylla, v, 297.
Locke, J., alabaster of the mammoth cave of Kentucky, xlii, 206.f
—, a new botanical press, xxx, 54.f
—, microscopic compass, xxiii, 237.f
—, on the manipulations of the dipping compass, xlii, 235.
—, electro-magnetic multiplier, xxvi, 380.
—, notice of a galvanometer, xxvi, 103.f
—, improvements on his galvanometer, xxvi, 378f;
experiments with, 379, 381.
—, on a large thermoscopic galvanometer, xxxiii, 365.
—, geology of the U. States, west of the Allegany Mountains, xli, 160.
—, lead region of the West, xliii, 147.
—, magnetic dip in the United States, xli, 15.
—, — — at Baltimore, xlii, 258.
—, on magneto-electricity, and electro-magnetic machines, xxxiv, 125.f
—, connection between geology and magnetism, xlvii, 101.
—, on manufacture of maple sugar, ii, 259.
—, notice of a new trilobite, Ceraurus crosotus, xliv, 346f; xlv, 222.f
—, Isotelus megistus, a new trilobite, xlii, 366.f
Lockwood, M. B., variation of the magnetic needle at Providence, R. I., xliv, 314.
Locust, seventeen year, habits of, xiii, 224.
—, — —, notice of,S. P. Hildreth, xviii, 47.f
—, — —, remarks on,D. Thomas, xxi, 188.
Locusts in China, xxxi, 193.
Lodoicea sechellarum, notice of,J. E. Teschemacher, xxxvii, 396.
Logan, murder of the family of, xxxi, 11.
Logarithmic tables, corrections inHassler's, xxii, 181.
— and exponential theorems, new mode of obtaining,T. Strong, xlviii, 36.
Logwood, on hæmatoxylin the coloring principle of, xliv, 357.
Long'sexpedition to the Rocky Mountains, vi, 374.
Long, G. W., description of a frame bridge, xviii, 123.f
—, on the origin of springs and fountains, xvii, 336.
—, a parasite tree, xxvi, 106.f
Long lake and Mud lake, Vt., on the eruption of,S. E. Dwight, xi, 39.f
Longevity of trees, xxii, 379.
— of the yew tree, xxix, 353.
— — —,Bowman, xxxi, 358.
Longitude, notice ofF. Baily'smethod of determining, by the culmination of the moon and stars, ix, 107.
—, determination of, by means of shooting stars, xxxix, 372; xlii, 399.
—, arc of, between Dublin and Armagh, xxxviii, 113.
— deduced from the eclipse of Sept. 18, 1838, xxxix, 367.
— of New York, v, 143.
— of New York City Hall, xxxviii, 113; xl, 43.
— of Alexandria, D. C., xxxix, 368.
— of Boston, xl, 43.
— of Brooklyn, N.Y., xxxix, 369; xl, 43.
— of Burlington, N.J., xxxix, 368.
— of Dorchester Observatory, Mass., xxxix, 369; xl, 43.
— of Dover, Ohio, xxxix, 368; xl, 43.
— of Germantown, Penn., xxxix, 368.
— of Haverford School, Penn., xxxix, 368.
— of New Haven, xxxiv, 309; xxxix, 369; xl, 43.
— of Hudson Observatory, Ohio, xl, 43.
— of Philadelphia State House, xxxix, 368; xl, 43.
— of Philadelphia High School Observatory, xl, 43.
— of Princeton, N.J., xxxix, 368; xl, 43.
— of Southwick, Mass., xxxix, 369; xl, 43.
— and latitude of Turtle Island, Lake Erie and South Bend lake, Michigan, xxxviii, 154.
— of Washington capitol, xxxix, 368; xl, 43;
–marine observatory, xl, 43.
— of Weasel mountain, N. J., xxxix, 368.
— of Wesleyan University, Middletown, Ct., xxxix, 369.
— of Williamstown College, Mass., xxxix, 369.
— of Western Reserve College, Ohio, xxxix, 368.
Loomis, E., clouds, register of, Hudson, Ohio, xli, 323; xlix, 280.
—, on Halley's comet, xxx, 209.
—, hygrometric observations at Hudson, Ohio, 1838-1840, xli, 315.
—, — —, 1841-1844, Hudson, Ohio, xlix, 271.
—, latitude and longitude of Yale College observatory, xxxiv, 309.
—, on the variation and dip of the magnetic needle in different parts of the U. States, xxxiv, 290f; xxxix, 41f; xl, 85; xliii, 93.
—, magnetic dip of various places in Ohio and Michigan, xxxviii, 397.
—, observations on the variation of the magnetic needle at Yale College, xxx, 221.
—, examination ofGauss'stheory of terrestrial magnetism, xlvii, 278.
—, meteorological register at Western Reserve College, Sept.-Nov., 1838, xxxvi, 165.
—, — ibid, for 1838-1840, xli, 310.
—, — ibid, for 1841-1844, with a summary for seven years, xlix, 266.
—, on shooting stars, xxviii, 95.f
—, on the meteor of May 18, 1838, and on shooting stars in general, xxxv, 223.
—, on a hurricane which passed over Stowe, Ohio, Oct. 1837, xxxiii, 368.f
—, on the storm of Dec. 1836, in the U. States, xl, 34.
—, —, Feb. 1842, Mayfield, Ohio, xliii, 278.f
—, list of tornadoes in the United States, since 1823, xliii, 298.
—, direction of rotation of small whirlwinds, xliii, 296.
—, on vibrating dams, xlv, 363.f
Lord, E., on architectural, rural, domestic, and other improvements, xxv, 304.
Louisiana, trees with axe marks,W. M. Carpenter, xxxvi, 118.f
—, fossil tooth,W. M. Carpenter, xlii, 390.f
—, fossil teeth of the mastodon and horse,W. M. Carpenter, xxxiv, 201.f
—, meteorological register at Jackson,W. M. Carpenter, 1839-1841, xliv, 49.
—, hailstorm in,W. M. Carpenter, xxvii, 171.
—, Opelousas and Attakapas, geological character of the prairies, with remarks on the vegetation of,W. M. Carpenter, xxxv, 344.
—, ibid, bituminized wood, East Feliciana, xxxv, 345.
Lowell, facts relating to, xxvii, 340.
Löwitz, H. Fitz, fusible cement of, xvii, 81.f
Ludlow rocks, fossil shells of, xxx, 48.
Luminous appearances in the atmosphere,J. A. Allen, iv, 341.
Lunar distance, instrument for finding,M. F. Maury, xxvi, 63.f
Lungs, disease from dust in, xxxiv, 29.
Lupulin, remarks on, xii, 388.
Lute or cement, Willis's, vii, 392.
— for bottling wine, &c., xxiv, 205.
—, see farther,Cement.
Luther, statue of, v, 181.
Lyceumof Natural History, New York, abstract of the proceedings of, ii, 366; vi, 361; vii, 171; viii, 192; ix, 387; x, 198; xiii, 378; xiv, 190; xv, 191, 357; xvi, 205, 354; xviii, 193; xix, 159, 353; xxvii, 148; xxviii, 189; xxxvi, 195.
— ibid, officers of, viii, 192; xv, 193; xvi, 355; xxxii, 204; xxxvi, 195; xlviii, 404.
—, ibid, memorial of, on a geological survey of N. York, xvi, 358.
—, ibid, annals of, commenced, vii, 359;
–noticed, xxxiv, 214.
—, Naval, of Brooklyn, xxvii, 390.
—, at Troy, ii, 173.
Lychnopora, a new genus from S. America, notice of, ix, 375.
Lycoperdon tuber, or Indian bread, ii, 369.
— giganteum, xxxviii, 391.
Lycopodites, generic characters of, vii, 180.
Lycopodium, remark on the yellow powder of, xxxix, 399.
— annotinum, xlv, 46.
— inundatum, xlv, 47.
— selago, xlv, 48.
Lyell, C., medal of the Royal Society conferred on, xxx, 174.
—, address before the Geological Society of London, 1837, xxxiii, 76.
—, on the changes of climate on the earth in past times, xx, 377.
—, coal formation of Nova Scotia, and on the age and position of the gypsum, xlv, 356.
—, upright trees in the coal strata of Nova Scotia, xlv, 353.
—, on the cretaceous strata of New Jersey, xlvii, 213.
—, on the elevated beaches, and boulder formations of the Canadian lakes and valley of St. Lawrence, xlvi, 314.
—, on the elevation of Sweden, xxviii, 72, 387.
—, footprints of birds in the Connecticut valley, xlv, 394.
—, views on granite, xxxiii, 116.
—, probable age of graphite and anthracite in the mica slate at Worcester, Mass., xlvii, 214.
—, geological position of the mastodon at Big Bone Lick, Ky., and elsewhere, xlvi, 320.
—, geology of, 4th edition, notice of, xxix, 358.
—, proposed visit to the United States, xli, 403; xlii, 213.
Lyon, L., on surveying instruments, xiv, 268.f
M.
Macaire, vegetable physiology in relation to rotation of crops, xxiii, 138.
—, injurious action of gases on vegetation, xxiii, 193.
—, on nitrogen in animal substances, xxiii, 384.
—, experiments on hydrochloric acid, xi, 393.
McConnell, B. R., notice of a revolving electro-magnetic instrument, xxxiii, 188.
McCord, J. S., meteorological observations at Montreal, 1836-40, xli, 330.
MacCulloch, J., essay on remittent and intermittent fevers, xviii, 338.
McGuire, W. W., on the prairies of Alabama, xxvi, 93;
–causes of, xxvi, 96.
Machine for cleaning grain invented, iv, 387.
— and its model, relation between,E. Sang, xxiv, 264.
Machines, examination of, maximum and minimum effect of,A. B. Quinby, xii, 346.
—, electrical, seeElectrical.
Machinery, use of soapstone in diminishing friction of, xiii, 192.
— and manufactures, economy of, xxiv, 105.
Macle, seeChiastolite.
Maclure, W., on different systems of education, ix, 160, 163.
—, on the Pestalozzian system of, ix, 163; x, 145.
—, geological arrangement, outlines of, i, 209.
—, systematic arrangement of rocks and their probable origin, vii, 261.
—, geological systems, geological maps, and chatoyant feldspar, ix, 253.
—, — changes in N. America, conjectures on, east of the Stoney mountains, vi, 98.
—, — remarks on Mexico, xx, 406.
—, igneous theory of the earth, remarks on, xv, 384; xvi, 351.
—, on Mosaic geology, ix, 157.
—, passage to Mexico of, xv, 400.
—, memoir of,S. G. Morton, xlvii, 1.f
—, list of works of, xlvii, 16.
Maclurite, description of, v, 246.
—, analysis of,H. Seybert, v, 336.
—, identical with chondrodite, v, 366.
—, in New Jersey, v, 343.
Madeira, notice of, xxiv, 238.
—, wines of, xxiv, 240.
Mæcenas, bust of, xxxiv, 51.
Maerenhaut, J. A., on Otaheite, xxix, 283.
Magendie, F., on the mechanism of absorption in animals, iii, 288.
—, on prussic acid, ii, 81.
Magic, natural, remarks on, xxxiii, 258.
Magnesia, effect of, on soil, xli, 159.
—, solubility of, v, 378.
—, in compact limestones, large proportion of,R. E. Rogers, xli, 171.
—, carbonate of, of Staten Island, N. Y., i, 142; v, 266.
—, —, in Pennsylvania, i, 236; xiv, 18.
—, hydrate of, description and analysis of, iv, 245.
—, —, in New Jersey, i, 55; iv, 17; v, 267.
—, —, in Hoboken, i, 54; iv, 17; vii, 370.
—, —, from Shetland, vii, 365.
—, nitrate of, i, 133.
—, sulphate of, i, 133; ii, 375; xv, 241.
—, —, native in New York State, xv, 241.
— and soda, sulphate of, xlviii, 189.
Magnesian carbonate of lime, in N. York, analyses of,L. C. Beck, xlvi, 34.
— hydrate of silica. Harford Co., Md.,P. T. Tyson, xviii, 79.
— — — identity of, with Deweylite,C. U. Shepard, xviii, 81.
— pseudomorphs, and metamorphic changes, xlviii, 89.
Magnesite, hard, from Baumgarten, Silesia, vii, 368.
—, in N. York, v, 267; xlvi, 34.
—, in Maryland, xiv, 12.
—, in Pennsylvania, xiv, 9, 10.
Magnesium, notice of, xix, 197, 379; xxvii, 196.
—, obtained byW. W. Mather, xx, 408.
Magnets,cast iron, xxxiii, 265.
—, chemical action in needles suspended from, xviii, 402.
—, best position of, for mutual action,H. Lloyd, xxxviii, 96.
—, current produced by the rotation of,Pixii, xxiv, 144, 146.f
—, electric spark from,J. Henry, xxii, 403.
—, a mode of producing sparks and galvanic currents from the horse shoe,J. P. Emmet, xxiv, 78.f
—, new method of making permanent, xxxvi, 335.f
—, galvanic, construction of,J. B. Zabriskie, xxxvi, 124.f
—, —, Henry's large, xix, 408.f
—, —, made for Laboratory of Yale College, xx, 201.
—, —, Humbert's, xxxviii, 204.
—, —, Ganby's, xxix, 354.
—, —, Page's, xxxv, 253.f
—, —, E. M. Clarke's, xxxiii, 213.f
—, —, see farther underElectro-MagneticandMagneto-Electric.
—, musical tones from,C. G. Page, xxxii, 396; xxxiii, 118; xlviii, 401.
—, cause of voltaic currents with,J. P. Emmet, xxvi, 23.f
—, native, in Rhode Island, iv, 285; v, 402.
Magneticattraction and repulsion, law of,R. W. Fox, xxviii, 370.
— — — reciprocating motion of,J. Henry, xx, 340.f
— chart, of the U. States,E. Loomis, xxxiv, 290; xxxix, 41.
— compass, mariner's, on the invention of,A. Humboldt, xl, 242.
— dip,in different parts of the world,T. H. Perry, xlvii, 84.
— —, at different places in Europe, xl, 30.
— —, in Ireland,H. Lloyd, xxxv, 296.
— —, at Perth, Scotland, xl, 342.
— —, at St. Petersburg, xxi, 382.
— —, at different places in the U. States, xl, 380.
— —, ibid,J. Locke, xxxix, 319; xl, 149; xli, 15.
— —, —, ibid, remarks on, xxxix, 325.
— —, ibid,E. Loomis, xxxiv, 290f; xxxix, 41f; xl, 85.
— —, at various places in Ohio and Michigan,E. Loomis, xxxviii, 397.
— —, — ibid, at Cincinnati,J. Locke, xl, 56.
— —, at Philadelphia and Baltimore,A. D. Bache, xl, 375.
— —, at Baltimore,J. LockeandJ. N. Nicollet, xlii, 239.
— —, at Nantucket,W. Mitchell, xlvi, 157.
— —, daily variation in,Kupffer, xxv, 194.
— — and intensity determined by one instrument,H. Lloyd, xxxviii, 179.
— discoveries byH. H. Sherwood, xxxiv, 210.
— effects from Hare's calorimotor,G. T. Bowen, v, 357.
— experiments, showing the effect of cold and heat on steel bars,Kupffer, xxv, 194.
— influence of the sun's rays, xiii, 188; xviii, 181.
— — of the violet ray, xviii, 171.
— instrument, new, called a Solar Index,M. Conant, xlix, 301.f