_Henry, W._, on the disinfecting powers of increased temperatures,

xxi, 392; xxii, 111.^f

----, philosophical character of Priestley, xxiv, 28.

_Hentz, N. M._, on North American spiders, xxi, 99.^f

----, a new sub-genus of spiders, xli, 116.^f

Hepatic blende, xlii, 387.

Herbaria, European, notices of, xl, 1.

Herculaneum manuscripts, ii, 340.

_Herrick, E. C._, Argulus catostomi, description of, xxxi, 297.^f

----, Aurora Borealis, in summer, with abstract of Huxham's auroral

register, xxxiii, 297.

----, ---- ----, February, 1837, xxxii, 396.

----, ---- ----, July, 1837, xxxiii, 144.

----, ---- ----, ibid, needle agitated during, xxxiii, 146.

----, ---- ----, Nov. 14, 1837, influence of, on the magnetic needle,

xxxiv, 270.

----, ---- ----, of Sept. 1839, xxxviii, 260.

----, ---- ----, April, 1842, xliii, 213.

----, ---- ----, August, 1844, New Haven, xlviii, 319.

----, ---- ----, belt of May, 1840, xxxix, 194, 383.

----, great comet of 1843, xliv, 412; xlv, 191, 229.

----, elm tree moth, parasite of the eggs of, xxxviii, 385; xl, 211.

----, Hessian fly and its parasites, xli, 153.

----, meteorite of Missouri, xxxvii, 385.

----, meteor of Dec. 14, 1837, xxxvii, 130.

----, Weston meteorite, Dec. 1807, xxxvii, 132.

----, shooting stars, facts showing the probable annual occurrence

in August, xxxiii, 177, 354, 401.

----, ---- ----, probable periods of showers, in October, June,

January, February, July, September, xxxv, 366.

----, ---- ----, April and November showers, cycle of, xl, 365.

----, ---- ----, August showers, characteristics of, xxxiii, 359.

----, ---- ----, nature, motions, numbers of, xxxiii, 360.

----, ---- ----, theory of, xxxiii, 363; xxxv, 367.

----, ---- ----, contributions towards a history of the showers,

of former times, xl, 349; (errata) xlviii, 319.

----, ---- ----, of April, 1095, 1122 and 1803, xxxvi, 358, 361.

----, ---- ----, of June, various instances of showers in former times,

xlii, 201.

----, ---- ----, of January, 1825, 1838 and 1839, xxxix, 334.

----, ---- ----, of August, 1837, xxxiii, 176; xxxiv, 180.

----, ---- ----, of April, 1838, xxxiv, 398.

----, ---- ----, of August, 1838, xxxv, 167.

----, ---- ----, of December, 1838, xxxv, 361; xxxvi, 355; xlii, 398.

----, ---- ----, of April, 1839, xxxvi, 361.

----, ---- ----, of August, 1839, xxxvii, 325.

----, ---- ----, of August, 1840, xxxix, 328; xl, 201.

----, ---- ----, of October and December, 1840, xl, 203.

----, ---- ----, of April, 1841, xlii, 397.

----, ---- ----, of August, 1841, xli, 399; xlii, 202.

----, ---- ----, of April, 1842, xliii, 212.

----, ---- ----, of August, 1842, xliii, 377; xliv, 208.

----, ---- ----, of November, 1842, xliv, 209.

----, ---- ----, of December, 1842, xliv, 210.

----, ---- ----, of April, 1843, xlv, 230.

----, ---- ----, of August, 1844, xlviii, 316.

Herring, the mode of curing of, when discovered, xx, 183.

_Herschel, J. F. W._, astronomical observations at the Cape of Good

Hope, xxxv, 283.

----, remarkable phenomena of Halley's comet, xxxv, 285.

----, photographic process by which dormant pictures are made that may

be developed by the breath, xlvi, 393.

----, on meteoric iron from South Africa, xxxvi, 213.

Hessian fly, some account of, _J. E. Muse_, xxii, 71.

----, observations on, _M. H. Morris_, xl, 381.

----, account of, _E. C. Herrick_, xli, 153.

Heterosite, analysis of, xix, 371.

Heulandite of Paterson and Bound Brook, N.J., _L. C. Beck_, xliv, 59.^f

----, locality in New Jersey, xliv, 59.

----, ---- in Nova Scotia, xxx, 345, 349.

----, Beaumontite and Lincolnite identical with, _F. Alger_,

xlvi, 233.^f

_Heuvel, J. C. vanden_, on the honey bees of America, iii, 79.

_Hewitson, W._, notice of a work on Oology, by, xxxvii, 166.

_Hibbert, S._, on the fresh water limestone of Burdie House,

near Edinburgh, xxviii, 365.

Hieroglyphical investigations, _T. Young_, xxii, 245.

Highlands of New York and New Jersey, geology and mineralogy of, v. 26.

_Hildreth, S. P._, on the Cicada Septemdecem, or seventeen year locust,

xviii, 47.^f

----, meteorological register and calendar, with various memoranda,

for 1828, at Marietta, Ohio, xvi, 44.

----, ibid, for 1829, xviii, 368.

----, ibid, for 1830, xx, 126.

----, ibid, for 1831, xxii, 109.

----, ibid, for 1832, xxiv, 132.

----, ibid, for 1833, xxvi, 84.

----, ibid, for 1834, xxviii, 160.

----, ibid, for 1835, xxx, 56.

----, ibid, for 1836, xxxii, 95.

----, ibid, for 1837, xxxiv, 132.

----, ibid, for 1838, xxxvi, 78.

----, ibid, for 1839, xxxviii, 273.

----, ibid, for 1840, xl, 345.

----, ibid, for 1841, xlii, 344.

----, ibid, for 1842, xliv, 347.

----, ibid, for 1843, xlvi, 277.

----, ibid, for 1844, xlviii, 287.

----, Ohio, notes on, x, 152, 319; xi, 231.

----, ----, ten days in, xxv, 217.

----, ----, miscellaneous observations, on a tour to the falls of

the Cuyahoga, in 1835, xxxi, 1.^f

----, ----, miscellaneous notices of rocks and minerals, xvi, 154.

----, ----, flight of pigeons, xxiv, 134.

----, ----, climate and productions of Washington Co., xii, 206.

----, ----, disease among shell fish, xxxii, 97.

----, ----, geology of parts of, x, 1.

----, ----, coal of, xiii, 38.

----, ----, fossil trees near Gallipolis, xii, 205.

----, ---- valley, on the coal deposits and accompanying organic

remains of, xxix, 1.^f

----, ---- ----, saliferous rock formation, xxiv, 46.

----, ----, shells of some rivers, xiv, 276.^f

----, ----, report on, noticed, xxxii, 190; xxxiv, 196, 350.

----, Pennsylvania, bituminous coal of, xxix, 77.

----, Tennessee, coal measures of, xxix, 141.

----, the West, lias of, xxx, 395.

Himalaya Mountains, height of, v, 384; ix, 384.

----, quadruped fossil remains, xxxiii, 103, 211.

_Hitchcock, E._, Botrychium simplex, a new species of fern, vi, 103.^f

----, coal in Massachusetts, xxii, 41; xxxvi, 377.

----, drift, in the U. States, xli, 248; xlv, 331.

----, ----, influence of ice in, xlv, 324.

----, ----, on the glacier theory, xliii, 396.

----, ----, singular case of, in Berkshire Co., Mass., xlvii, 132;

xlix, 258.^f

----, ----, copper in, Massachusetts, xlv, 331.

----, Fasciculite, vi, 226.^f

----, Flinders' large birds' nests in New Holland, xlvii, 217;

xlviii, 61.

----, frost, disruption of the ground by, i, 286.^f

----, fossil fish, in the Connecticut valley, iii, 222, 365; vi, 76.^f

----, fossil vertebral remains in the Connecticut valley sandstone,

xxix, 330.

----, ---- footprints, description of, (ornithichnology) xxix, 307.^f

----, ---- ---- in Connecticut, xxxi, 174.

----, ---- ---- of Connecticut valley, Report of Committee on,

xli, 165.

----, ---- ----, general review of, xxxii, 174; xlvii, 113, 292.^f

----, ---- ----, miscellaneous notices of, xlviii, 61.

----, ---- ----, reply to _J. Deane_ on the discovery of, xlvii, 390.

----, geology and mineralogy of Massachusetts, New Hampshire and

Vermont, i, 105.^f

----, ----, of the regions about the Connecticut, with a map,

vi, 1^f, 201^f; vii, 1.^f

----, ---- of Massachusetts, report on, with a map, xxii, 1.

----, ---- ----, Report noticed, xxiii, 389; xxvi, 213; xxxvi, 363;

xli, 384.

----, ---- ----, economical review of, xxxvi, 363.

----, ---- of Connecticut valley sandstone, xxix, 329.

----, ---- ----, trap tufa or volcanic grit, xlvii, 103.

----, ---- U. States, general review of, xli, 239.

----, ----, historical notice of State surveys, xli, 235.

----, Geological Association, address before, xli, 232.

----, Gyropodium coccineum, physiology of, ix, 56.^f

----, Lincolnite, xlvii, 416; xlviii, 64.

----, longitude, on _F. Baily's_ method of determining, ix, 107.

----, hammer, new mineralogical, vii, 175.^f

----, meteors of Nov. 13, 1833, xxv, 354--their connection with the

Aurora Borealis, 357.

----, ----, on a supposed gelatinous, of Amherst, xxv, 362.

----, tin ore, at Goshen, Mass., xvi, 188.

----, topaz at Goshen, ix, 180.

----, wines from Palestine, analysis of, xlvi, 249.

----, yttrocerite in Massachusetts, xlv, 331.

_Hodge, J. T._, on the secondary and tertiary formations of the

Southern Atlantic, xli, 332.

----, on the Wisconsin and Missouri lead region, xliii, 35.^f

_Hodgkinson, E._, on the strength of stones and other materials,

xliv, 168.

_Hoffman, F._, obituary notice of, xxxiii, 76.

Hog, curious instinct of, iv, 309.

Holcomb's manufacture of telescopes, xxiii, 403.

Holmesite, _T. Thomson_, xxxi, 172.

Holyoke, Mt., scenery of, vii, 5.

----, geological structure of, vi, 53.

Homer's Iliad, notice of a copy of, of the fourth century, ii, 343.

Hones, stone for, at Lake Memphremagog, v, 406.

----, ----, in Massachusetts, xxii, 34.

Hone-slate of N. Carolina, xiv, 238.

_Hooker, W. J._, on the Botany of America, ix, 263.

Hop, chemical examination of, _A. W. Ives_, ii, 302.

Hops, analysis of, vi, 393.

----, lupuline from, xii, 388.

_Hopkins, M._, on mystery, xiii, 217.

_Hopkins_, on the geological phenomena of elevation, xxxi, 365.

----, views on dislocations and fractures of the earth's surface,

xxxiii, 83.

Horns, manufactured articles from, xx, 394.

Hornblende, localities of, in Connecticut, x, 14.

----, ----, in Massachusetts, vi, 226.

----, ----, in New Hampshire, vi, 245; xviii, 129.

----, ----, in New Jersey, v, 246; ix, 245.

----, ----, in New York, ix, 40, 41, 251; xix, 226; xxi, 324.^f

----, ----, in Pennsylvania, xiv, 4, 17.

----, ----, in R. Island, iv, 285.

---- rocks, of western Massachusetts, viii, 9.

---- slate, of the Connecticut valley, vi, 20.

Horse, anecdote of, xlvi, 243.

----, a Filaria in the eye of, xxxix, 278.^f

----, fed with bread in Silesia, xi, 397.

----, fossil bones of, in Louisiana, _W. M. Carpenter_, xxxiv, 201.^f

----, power of, xxi, 167.

Horse latitudes, xxxiii, 64.

Horticultural experiments, _J. T. Plummer_, xl, 197.

Horticulture, propagation of fruit trees and vines, xxvii, 288.

Hospital of Mt. St. Bernard, v, 393.

Hospitals in France, v, 191.

----, foundling, in Europe, xvii, 393.

Hot blast, in the manufacture of iron, _T. Clark_, xxxi, 180.

---- ----, saving by, xxviii, 71.

---- springs or baths, see _Springs_.

_Hough, H.G._, inquiries into the principles of liquid attraction,

xvii, 86.^f

_Houghton, D._, geology of Michigan, xxxiv, 190.

----, mining region of Michigan, xli, 183.

Houses, improvements in laying out grounds, arranging and building, &c.,

_E. Lord_, xxv, 304.

----, double doors and double windows for, xxv, 294.

----, mode of heating, xxv, 295.

----, on securing from fire, _Lord Mahon's_ experiments, xxv, 290, 298;

xxvi, 286.

----, ibid, _D. Hartley's_ experiments, xxv, 300.

----, mode of supplying cisterns with water for extinguishing fires,

xxv, 301; xxvi, 293.

Houstonia, notice of species of, x, 262, 263.

_Howard, W._, description of a differential thermometer, ii, 327.^f

----, on the stopping of astronomical clocks, viii, 277.

_Howe, S. G._, notices of ancient and modern Greece, xviii, 250.

_Howell, S._, on the shad fisheries of the Delaware, xxxii, 134.

Huaco, an Indian remedy for the hydrophobia, _W. R. Johnson_,

xxiv, 279, 388.

----, _L. Feuchtwanger_, xxii, 182.

_Hubbard, O. P._, chemical examination of the bituminous coal

of Chesterfield Co., Va., xlii, 369.

----, geological and mineralogical notices, xxxii, 230.^f

----, calcareous rocks at Boonville, N. Y., xxxii, 230.

----, ---- ----, ibid, rhomboidal structure in, xxxii, 232.^f

----, boulders at Boonville, xxxii, 233.

----, locality of crystallized calc spar, Boonville, N. Y., xxxii, 234.

----, ---- of green coccolite and tabular spar, at Boonville, N. Y.,

xiii, 198; xxxii, 234.

----, on the removal of carbonic acid from wells, xxxviii, 206;

xlii, 165.

----, spontaneous combustion in wood ashes, xlii, 165.

----, geological observations on an excursion to the White Mts.,

numerous trap dykes, minerals, granite veins, &c., xxxiv, 105.^f

----, Third Geological Report of New York, notice of, xxxix, 95.

----, Geological Reports of Ohio, Indiana and Michigan, noticed by,

xl, 126.

_Huber, F._, life and writings of, xxiii, 117.

Hudson river, northern sources of, _W. C. Redfield_, xxxiii, 301.^f

---- ----, fish of, xx, 151.

---- bay, rocks and country in the vicinity of, xvii, 11.

_Hudson's_ series of investigations with the barometer, xxiv, 393.

Hudsonite, L. C. Beck, xlvi, 32.

Human bones, fossil, v, 171.

---- ----, of the præ-historic world, in S. America, xliv, 277.

---- skeleton, fossil, of Guadaloupe, skull of, _J. Moultrie_,

xxxii, 361.

---- footprints of the Mississippi valley, in limestone, v, 223^f;

xxxiii, 398.

---- ----, ibid, in limestone, _D. D. Owen_, xliii, 14.^f

---- ----, ibid, _W. A. Adams_, xliv, 200.

---- race, stature of, _J. G. St. Hilaire_, xxii, 357.

---- ----, law of increase in stature, _Quetelet_, xxii, 376.

---- ----, varieties of, xiv, 372.

---- ----, singular variety of, in Peru and Bolivia, xxviii, 78.

_Humboldt, A._, expedition to Siberia, xvii, 405.

----, on the invention of the mariner's compass, xl, 242.

----, mean height of the continents above the sea, xlix, 397.

Humboldtilite, xi, 251.^f

Humboldtine, v, 193.

_Hume, Sir Abraham_, notice of, xxxvii, 118.

Hungary, observations on _Beudant's_ geological travels in, vii, 256.

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

_Hunt, R._, on the chromatype, xlvi, 396.

----, influence of light on the germination of seeds, xliv, 352.

----, influence of light on the growth of plants, xliv, 352; xlvi, 397.

----, influence of ferro-cyanate of potash on iodide of silver,

xlii, 317.

Huraulite, analysis of, xix, 371.

Huronite, xxx, 241.

Huron race of Indians, _S. G. Morton_, xxxviii, 368.^f

Hurricane, see _Wind_.

_Hutton's_ table of products, errors in, xliii, 116.

_Huxham's_ Auroral Register, xxxiii, 297.

Hyalite, in Florida, xxv, 165.

----, at West Point, N. Y., xxxii, 87.

_Hybernation, I. Lea_, ix, 75.

----, _S. Woodruff_, xxiv, 363.

Hydrargillite, _C. Dewey_, iii, 239.

Hydrate of magnesia, from Shetland, vii, 365.

Hydraulic cement in N. York State, xxxvi, 45.

---- limestones of N. York, xxxix, 96; xlvi, 29.

---- ---- in the Appalachian chain, xxxvii, 381.

---- ----, magnesian character of, xxxvii, 381.

---- machine, new, ii, 345.

---- ram, new, iii, 381.

---- volcano, xxii, 358.

Hydriodic acid, preparation of, xvi, 383; xlvii, 192.

Hydroboracite, analysis of, xxviii, 394.

Hydrobromic acid, xlvii, 192.

Hydro-carbo-sulphuric acid, how prepared, vii, 187.

Hydrochloric acid, notice of experiments with reference to, _Macaire_

and _De la Rive_, xi, 393.

---- ----, mode of preparing pure, from muriatic acid of commerce,

_R. Hare_, xxxix, 371.

---- ----, fumigation with, at Plattsburgh, in 1819, viii, 200.

---- ----, condensation of, _M. Faraday_, vii, 357.

Hydrocyanic acid, _F. Magendie_ on, ii, 81.

---- ----, memoir on, _B. L. Oliver_, iii, 182.

---- ----, ----, _Orfila_, xviii, 157.

---- ----, effect of muriatic and sulphuric acids on, xviii, 146.

---- ----, apparatus for the evolution of, _R. Hare_, xxix, 244.^f

---- ----, extraordinary production of, _A. A. Hayes_, xviii, 201.

---- ----, preservation of, xvi, 260.

---- ----, cases in which administered, ii, 83; iii, 187.

---- ----, efficacy in asthma, vi, 366.

---- ----, effects on a horse, xii, 385.

---- ----, effects of, on vegetation, x, 190.

---- ----, chlorine, an antidote for, xvii, 174; xxi, 157.

Hydrogen, combustion of, under pressure, xxii, 352.

----, ----, in water, being a new application of Hare's blowpipe,

v, 347.

----, mixed with oxygen, effect of breathing, viii, 375.

----, a new carburetted, xxx, 180.

----, gas apparatus, vii, 392.

----, self regulating reservoir for, _R. Hare_, xi, 140.^f

----, peroxyd of, action of, xvii, 34.

----, and chlorine, iii, 341.

Hydromagnesite of Hoboken, _Wachtmeister_, analysis of, xviii, 167.

Hydrometers, opinion on, _R. Hare_, xi, 115.

Hydrophobia, remarks on, ii, 359; iv, 385; v, 177; xvii, 204.

----, singular case of, xvii, 205.

----, account of cases of deaths by, xxiii, 143.

----, cured, x, 385.

----, ----, by means of mercurial ointment, xix, 204.

----, ----, by Huaco, an Indian remedy, _W. R. Johnson_, xxiv, 279.

Hydrosilicite, xv, 388.

Hydrostatic balance, xix, 185.

----, press, xix, 185.

Hydrous anthophyllite of N. York, _T. Thomson_, xix, 359.

Hydroxanthic acid, vii, 376.

Hygrometer, Daniell's, remarks on, _E. Loomis_, xlvii, 19; xlix, 277.

----, portable, _A. A. Hayes_, xvii, 351.^f

Hygrometric Register at Western Reserve College, _E. Loomis_,

Sept.-Nov. 1838, xxxvi, 166;

--1838-1840, xli, 315;

--1841-44 xlix, 271.

---- ----, at Hudson, Ohio, compared with those at Greenwich,

_E. Loomis_, xlix, 276.

---- observations, mean of, at Malvern, in Worcestershire,

xxxviii, 102.

---- ----, at Matanzas, _A. Mallory_, xxxi, 287.

---- ----, at New Orleans, _Barton_, xxxi, 400.

----, see farther under _Meteorology_.

Hygrometry, a method of experimenting in, x, 387.

Hyperbola, method of describing, _R. G. Hazard_, xxi, 314.^f

Hypersthene of N. York, analysis of, _L. C. Beck_, xlvi, 35.

----, in Massachusetts, iv, 55.

Hyssopus anisatus, iv, 65.

I.

Ice, artificial preparation of, xviii, 145.

----, evaporation of, xvi, 390.

----, formation of, in still water, iii, 179.

----, ----, at the bottom of rivers, _H. W. Sheffey_, xxxvi, 186.

----, ----, ibid, _T. Stratton_, xl, 407.

----, ----, sparks given out during, xxvi, 178.

---- in a well, xxxvi, 184.

---- of the sea, characters of, and remarks on, v, 131.

----, Greenland, i, 101.

---- of the Alps, _J. D. Forbes_, xlvi, 173;

--veined structure and motion consequence of its viscous

condition, xlvi, 174, 175.

Icebergs, remarks on, v, 131.

----, formation of, _C. Wilkes_, xlvii, 114.

----, _J. P. Couthouy_, xliii, 154.

----, character of, and facts concerning, _J. L. Hayes_, xlv, 316.

---- and currents of the North Atlantic, _W. C. Redfield_,

xlviii, 373.^f

---- in low latitudes, xxii, 200.

----, theory of drift, see _Drift_.

Ice houses, natural, iv, 174.

---- ----, ----, in Salisbury, Ct., viii, 254.

---- ----, ----, near Williamstown, Mass., iv, 331; v, 398.

---- ----, ----, of St. Ouen, xii, 184.

Ice mountain of Hampshire Co., Va., _C. B. Hayden_, xlv, 78.^f

---- ---- in Vermont, _S. P. Lathrop_, xlvi, 331.

---- water, drinking of, xv, 194.

Iceland, notice of, xvii, 15.

----, geysers, springs, &c. of, _E. Robert_, xxxi, 167; xxxii, 196.

----, ----, remarks on, _G. Bischof_, xxxvi, 255.

Ichnolithology, see _Footprints_.

Ichthyolites, see _Fish_.

Ichthyosaurus, largest, found by _Mary Anning_, xxviii, 369.

----, in U. States, xxvii, 353.

---- at Strensham, England, xxxviii, 126.

Ichthyosauri, _T. Hawkins_, xxvii, 413.

Iconography, xxxiii, 184.

_Ideler, J. L._, views of, on meteorites, shooting stars and Auroras,

xxviii, 288.

Idocrase, analysis of, _T. Richardson_, xxxviii, 120.

----, of Skye, xxviii, 395.

----, American, first detected, _W. Meade_, vii, 50.

----, crystal, from Amherst, N. H., xlvi, 381.^f

----, in Connecticut, ix, 44.

----, in Massachusetts, viii, 44; x, 11.

----, in N. York, xvii, 145; xxi, 327; xlvi, 35.

----, in Rhode Island, viii, 230.

Idria quicksilver mines, xxix, 219.

Igneous action, as indicated by certain minerals in New York,

_L. C. Beck_, xlvi, 333.

---- origin of some trap rocks, _B. Silliman_, xvii, 119.

---- ---- ibid, _T. Cooper_, iv, 205.

---- theory of the earth, remarks on, _W. Maclure_, xvi, 351.

---- ---- ----, as connected with the secular variation of the

magnetic needle, _J. H. Lathrop_, xxxviii, 68.

---- ---- ----, applications of, ibid, xxxix, 90.

Ignis fatuus, observations on, _J. Mitchell_, xvi, 246.

Iguanodon, bones of, in Mantell's Museum, xxiii, 165.

----, discovery of, xxvii, 355.^f

----, Maidstone, xxvii, 420.

Ilicine, in fevers, xxii, 349.

Ilex laurifolia, v, 289.

Illinois, geology of Upper, _C. U. Shepard_, xxxiv, 134.^f

----, ----, ibid, coal formation, xxxiv, 142.^f

----, Lake shore near Chicago, xxxiv, 134.

----, route, expense, &c., of the Michigan and Illinois canal,

xxxiv, 138.

----, mineral and brine springs, xxxiv, 157.

Ilmenite, (Crichtonite,) localities of, in Connecticut, xii, 161, 170;

xxxv, 179; xliii, 364.^f

----, in Pennsylvania, xiv, 6, 7.

----, in Rhode Island, xxxv, 180.

Impression in marble near Philadelphia, notice of, _J. B. Browne_,

xix, 361.^f

Incas, dominion of, xxxviii, 365.

Inclined planes, on, _J. Thomson_, xxiii, 107.

Indelible coloring, xxiv, 373.

----, ink, see _Ink_.

India, culture of cotton in, attempted, xl, 40.

India rubber carpets, xxvi, 191.

Indian attacks on Wheeling, xxxi, 3.

---- axe of hornblende rock, xliii, 31.^f

---- cemetery, Ohio, _S. P. Hildreth_, xxxi, 69.

---- corn, origin of, xix, 186.

---- ----, oil of, xliii, 403.

---- mounds of the West, xxii, 124.

---- ----, crania, &c., _Dr. Warren_, xxxiv, 47.

---- ----, and earthworks in the form of animal effigies,

_R. C. Taylor_, xxxiv, 88.^f

---- ----, and other remains in Iowa and Wisconsin, _S. Taylor_,

xliv, 21.^f

---- ----, _Col. Whittlesey_, xxxiv, 361.

---- ----, and relics, near Natchez, _C. G. Forshey_, xl, 376.

---- ----, in Louisiana, _C. G. Forshey_, xlix, 38.^f

---- ----, in Indiana, _J. T. Plummer_, xliv, 313.

---- mummies and remains in the caves of Tennessee, xxii, 124.

---- remains, skeleton, &c., xxxiv, 47.

---- races of America, characteristics of, _S. G. Morton_,

xxxviii, 347; xlvii, 408.

---- ----, ancient Peruvian, xxxviii, 360.^f

---- ----, Araucanian, xxxviii, 368.^f

---- ----, Huron, xxxviii, 368.^f

---- ----, remarks on, _R. C. Taylor_, xxxiv, 88.

---- sepulchre and remains, xxxi, 8.^f

---- summer, remarks on, xviii, 66.

---- ----, remarks on, _L. Foot_, xxx, 8.

---- ----, essay on, xxvii, 140.

---- utensil, ancient, _W. R. Johnson_, xxiii, 65.^f

---- words in the English language, _J. W. Gibbs_, xli, 28.

---- ----, names of beasts, birds and insects, origin of,

_J. W. Gibbs_, xli, 39.

Indians, Esquimaux, remarks on, xvi, 145.

----, Seminole, ix, 132.

----, adventure of Lewis Wetzel among, xxxi, 14.

----, murder of Logan's family by, xxxi, 11.

Indiana, sketch of the geology and mineralogy of, _W. B. Stilson_,

i, 131.

----, ibid, cave near Corydon, containing Epsom salts, i, 133.

----, geological report on, by _D. D. Owen_, noticed, xxxiv, 193; xl,

133.

----, suburban geology of Richmond, _J. T. Plummer_, xliv, 281.^f

----, pisolitic rocks, _J. T. Plummer_, xliv, 283.^f

----, phosphate of iron, _J. T. Plummer_, xliv, 287.

----, fossil including fossil fuci, _J. T. Plummer_, xliv, 290.^f

----, ancient wood and stumps of trees, _J. T. Plummer_, xliv, 302.

----, boulders in, _J. T. Plummer_, xliv, 303.

----, magnesia in the water of, _J. T. Plummer_, xliv, 307.

----, soil of, _J. T. Plummer_, xl, 198; xliv, 310.

----, mounds of, _J. T. Plummer_, xliv, 313.

Indigo, _J. Dalton's_ mode of testing the value of, ix, 385.

----, analysis of, xviii, 241.

----, mode of assaying, _S. L. Dana_, xlii, 320.

----, on the manufacture of, in the U. States, _W. Partridge_,

xviii, 237.

Induction, electrical, see _Electrical_.

Inertia, remarks on, _Z._, xiv, 50.

Infinites, on, _I. Orr_, v, 326.

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