Part 17

_Hare, R._, acids and salts, remarks on the nature of, xxvii, 63, 67. ----, ----, classes of, xxvii, 69. ----, air pump of a new construction, xxxiii, 237.^f ----, alkanet, as a substitute for litmus, v, 348. ----, ammonia, nitrate, on the preparing of pure, v, 348. ----, atoms, on the views of _Faraday_, respecting, xlviii, 247. ----, amphide salts, on the existence of radicals in, xlv, 52, 247. ----, barium, strontium and calcium, extrication of, xxxvii, 267; xxxviii, 115; xxxix, 362; xl, 293.^f ----, blasting rocks, by galvanic ignition, xxi, 139; xxvi, 352.^f; xxxviii, 188. ----, blowpipe, improved alcohol, vii, 110.^f ----, ----, hydrostatic, xi, 135.^f ----, ----, strictures on a publication entitled Clark's gas blowpipe, ii, 281.^f ----, ----, oxy-hydrogen, fusion of a large amount of platina with, xxxiii, 195; xxxv, 328. ----, boron, process for evolving, xxii, 189; xxiv, 249.^f ----, calorimotor, i, 413.^f; v, 94. ----, ----, for igniting platina in the galvano-ignition apparatus, xxxii, 284.^f ----, carbon, on the fusion of, in reply to _L. Vanuxem_, viii, 288; x, 111. ----, ----, experiments on the fusion of, x, 118. ----, ----, ----, remarks on, xxxviii, 190. ----, carbonic acid, apparatus for exhibiting some of the properties of, xiv, 358.^f ----, carbonic oxide, apparatus for separating from carbonic acid, xxiv, 252.^f ----, chemical nomenclature, xxvii, 63; xxxii, 259. ----, ibid, in a letter to _Berzelius_, xlix, 249. ----, Chemistry, compendium of, noticed, xx, 95. ----, chlorine, explosive reaction of hydrogen with, under the sun's rays, xxix, 243.^f ----, ----, apparatus for combustion of metals in, xiv, 354.^f ----, chlorohydric acid, preparation of, from the muriatic acid of commerce, xxxix, 371. ----, cold, apparatus for producing ebullition by, xxxiii, 248.^f ----, collapse of a reservoir, xxxiii, 242.^f ----, cryophorus, improved, xxxiii, 244.^f ----, cyanogen, analysis of, xv, 271.^f ----, deflagrator, galvanic, iv, 201; v, 94.^f ----, ----, ----, improved forms of, and powers, vii, 347^f; xl, 48. ----, deflagrating carburets, phosphurets, &c., in vacuo, mode of, xl, 303.^f ----, De Luc's column, on the construction of, xxv, 136.^f ----, on electricity, vii, 103.^f ----, ----, on some inferences from the phenomena of the spark, in _Thomson's_ work on heat and electricity, xxxii, 278. ----, ----, on the causes of the diversity in the length of sparks erroneously distinguished by the terms positive and negative, xxxii, 275.^f ----, electrical brush, xxxii, 277.^f ----, electric induction, and letters to _Faraday_ on, xxxviii, 1; xli, 1. ----, ---- ----, _M. Faraday_ in reply to, xxxix, 108; xlii, 291. ----, electrical machine, plate, vii, 108^f; (large) xxxii, 272.^f ----, ---- ----, on the error that they must communicate with the earth, xxiv, 253. ----, electrometer, single leaf, vii, 351^f; viii, 99; xxv, 136.^f ----, ----, modification of the single leaf, xxv, 136.^f ----, electrometer, use of, as an electric discriminator, xxv, 136. ----, electro-magnetic and galvanic experiments, viii, 145. ----, ether, hypo-nitro-acetic, xxxv, 329. ----, ----, nitrous, new process for, ii, 326.^f ----, ----, nitric, process for, xxxiii, 241.^f ----, ----, sulphurous, xxxi, 275. ----, etherine, sulphate of, xxxi, 275. ----, eudiometer, a new, ii, 312^f; x, 67^f; xii, 36^f; xxxvii, 383. ----, ----, barometer gage, xxxii, 280.^f ----, ----, subsidiary, xv, 271.^f ----, eudiometry by means of nitric oxide, xv, 260.^f ----, freezing water by aid of sulphuric acid, apparatus for, xxvii, 132.^f ----, fulminating powder, consisting of cyanogen and calcium, process for, xxxvii, 268. ----, ----, silver, injury to, from the explosion of, xxii, 185. ----, galvanic apparatus, new modifications of, iii, 105.^f ----, ----, ignition of gunpowder, xxxvii, 269. ----, galvano-ignition apparatus, xxxii, 282. ----, ----, ibid, see above, under _blasting_. ----, galvanism, new theory of, i, 413.^f ----, ----, series, new, combining the advantages of the trough and deflagrator, xxxii, 265.^f ----, ----, new rotatory multiplier, xxxviii, 339.^f ----, apparatus for regulating the supply of gas by its absorption, xiii, 2.^f ----, gases, a mode of obtaining the specific gravity of, xvi, 293, 295.^f ----, gaseous mixtures, analysis of, xv, 279, 283. ----, gasometers, mode of suspending, iv, 312.^f ----, glass, method of dividing by friction, xiii, 7.^f ----, heat, on the cause of, iv, 142. ----, ----, capacities for, apparatus for illustrating, xiii, 6.^f ----, ----, ----, apparatus for showing an increase of, in air with relaxed pressure, xiii, 5.^f ----, ----, reply to _D. Olmsted_, on the materiality of, xii, 50, 366; xiii, 8. ----, liquids, apparatus for transferring or decanting, xxvi, 358.^f ----, hydrometers, xi, 115. ----, hydrostatic blowpipe, xi, 135.^f ----, laboratory of, xix, 26.^f ----, laudanum, xii, 291. ----, light, means of producing, ii, 172. ----, lightning rods, xiii, 322. ----, litrameter, xi, 133.^f ----, meconic acid, mode of obtaining, xii, 293. ----, matter is heavy as demonstrated by _W. Whewell_, reply to, xiii, 260. ----, nitrogen, apparatus for obtaining, from the atmosphere, xiv, 356^f; xxviii, 263.^f ----, nitrous oxide, properties of, xvi, 298. ----, ----, ----, method of obtaining, xvi, 295, 297.^f ----, palm-glass, cold produced by, xiii, 4.^f ----, olefiant gas, on the analysis of, xv, 270. ----, opium, mode of detecting minute quantities of, xii, 290. ----, platina, on the fusion of, xxxiii, 195; xxxv, 328. ----, pneumatic cistern, xiv, 200^f; xxxiii, 246.^f ----, potassium, improved process for, xxxviii, 338. ----, phosphorus, combustion of, in nitrous oxide, xxxii, 290.^f ----, prussic acid, apparatus for the evolution of, xxix, 244.^f ----, sassarubrin, a resin, xxxi, 285. ----, silicon, mode of obtaining, xxii, 189; xl, 28. ----, ----, apparatus for evolving from fluo-silicic acid, xxiv, 247.^f ----, silver, nitrate of, preparation of pure, v, 348. ----, on specific gravities, xi, 121.^f ----, storms of the Atlantic coast, v, 352. ----, ----, on Redfield's theory of, xlii, 140; xliii, 122. ----, ----, on Dové's essay on, xliv, 137; xlviii, 220. ----, ----, replies of _W. C. Redfield_ to, xlii, 299; xliii, 250^f; xliv, 384. ----, ----, or tornado in R. Island, Aug. 1838, and others, xxxviii, 73. ----, ----, tornado and water spout, causes of, xxxii, 153.^f ----, sulphurous acid, reaction of the essential oils with, xxxi, 281. ----, syphons, improved, xxiv, 317.^f ----, valve cock, xxiv, 251.^f ----, volumescope, description of, xv, 275^f; xxviii, 264.^f ----, ----, application of, xv, 278.^f ----, volumeter, xii, 38.^f ----, water, apparatus for decomposition and recomposition of, xxxviii, 336.^f ----, Woulfe's apparatus, a substitute for, i, 410^f; xiii, 1.^f

_Harlan, R._, Arvicola ferrugineus, x, 285. ----, Batracian reptiles, new, with observations on the larvæ of frogs, x, 53. ----, bones from near the mouth of the Mississippi, xiv, 186. ----, lizards, orbicular, notice of, xxxi, 383. ----, mammalia, fossil, from the Brunswick canal, Georgia, xliii, 141.^f ----, mouse, new species of, xxxi, 385. ----, Orycterotherium, xlii, 392; xliv, 69.^f ----, Salamandra pennsylvanica, x, 286. ----, tortoise, freshwater, xxxi, 382.^f ----, Medical and Physical Researches of, noticed, xxx, 188. ----, new fossil mammalia of, _R. Owen_ on, xliv, 341. ----, ibid, in reply to R. Owen, xlv, 208.

_Harris, W. S._, utility of lightning conductors on ships, xxi, 347. ----, meteorological observations at Plymouth, xliii, 369.

_Harris, T. W._, North American Sphinges, xxxvi, 282. ----, Report on Insects injurious to vegetation, noticed, xliii, 386.

Hariz, Europe, notices of, _T. G. Clemson_, xix, 105.^f

_Haskins, R. W._, examination of the theory of a resisting medium in space, xxxiii, 1. ----, Astronomy of, noticed, xli, 389.

_Hassler, F. R._, methods and plans of, in the survey of the coast of the United States, xvi, 225. ----, repeating theodolite, description of, _C. Wilkes_, U.S.N., xvi, 252.^f

Hats, manufacture of, x, 193.

Hawaii, see _Sandwich Islands_.

_Hawkins'_ Saurian remains purchased, xxix, 367.

Hay, siliceous glass from burning, xix, 395; xxiv, 174.

_Hayden, C. B._, analysis of the Scott spring, Va., xliv, 409. ----, on the ice mountain of Hampshire Co., Va., xlv, 78.^f ----, on the rock-salt and salines of the Holston, Va., xliv, 173.

_Hayden, H. H._, Geological Essays of, noticed, iii, 47. ----, on the Bare Hills, near Baltimore, xxiv, 349.^f ----, notices of the geology of the country near Bedford springs, Pennsylvania, xix, 97.

Haydenite, description of, xlvi, 379.^f ----, analysis, by _B. Silliman, Jr._, xlvi, 380.

_Hayes, A. A._, chlorine, carbon and hydrogen, two new compounds of, xxii, 141. ----, chromium, combinations of, xiv, 136. ----, columbic acid, investigations on, xlvi, 166. ----, dewpoint, remarks on, xviii, 63. ----, hygrometer, portable, xvii, 351.^f ----, meteoric iron, Alabama, xlviii, 147. ----, microlite and pyrochlore, identity of, xliii, 33; xlvi, 158. ----, tin, action of metallic, on the muriate of, xxxviii, 408. ----, Tarapaca saline minerals, nitrates, iodates, borates, xxxviii, 410.

_Hayes, G. E._, geology of western New York, with remarks on the causes of its topographical features, xxxi, 241; xxxv, 86.^f

_Hayes, J. L._, on the geographical distribution and phenomena of volcanoes, xlvii, 127. ----, influence of icebergs upon drift, xlv, 316, 326.

_Haymond, R._, on remains of Megatherium and Mastodon, xlvi, 294.

_Hazard, R. G._, method of describing a hyperbola, xxi, 314.^f

Heat, absorption of, _Nobili_ and _Melloni_ on, xxiii, 188. ----, ----, apparatus for illustrating, _A. D. Bache_, xxviii, 320.^f ----, animal, vii, 200. ----, ----, influence of the nerves on, x, 390. ----, ----, _Nobili_ and _Melloni's_ experiments on insects, &c., xxiii, 185. ---- of different animals, x, 382. ----, capacity of gas for, iv, 372. ----, ---- of air, apparatus for illustrating, _R. Hare_, xiii, 5^f, 6.^f ----, cause of, _R. Hare_, iv, 142. ----, of combination, law of, _Andrews_, xlvi, 397. ----, conduction of, notice of _Despretz's_ investigations, v, 378. ----, ----, laws of, _Kelland_, xlii, 161. ----, ----, by water, _C. Dewey_, xxviii, 151. ----, connection of, with electricity and magnetism, _J. F. Dana_, vi, 163. ----, diathermancy of rock salt, _Melloni_, xl, 313. ----, of the earth, iv, 372. ----, ----, at different depths, xxiii, 14; xxxvii, 357. ----, ----, rate of increase downward, _A. De la Rive_ and _F. Marcet_, xxvii, 397. ----, ----, ibid, _L. Cordier_, xv, 116. ----, ----, detailed analysis of, _L. Cordier's_ essay upon, xv, 109. ----, ----, criticism of Poisson's view, _J. D. Forbes_, xl, 319. ----, ----, _G. Bischof_, xxxvii, 52. ----, ----, _W. Whewell_, xxix, 349. ----, ----, and of space, _Baron Fourier_, xxxii, 1. ----, ----, effects of internal and solar, on the temperature of the globe, xxxii, 1. ----, ----, in mines, _R. W. Fox_, xxxiv, 46. ----, effect of, on magnetism, _C. Matteucci_, xxii, 361. ----, ---- of long continued, on minerals, experiment to determine, _W. V. Harcourt_, xxix, 357. ----, ---- of, on some minerals or rocks in New York, _L. C. Beck_, xlv, 143; xlvi, 333. ----, moon's, xl, 315. ----, _Nobili_ and _Melloni's_ experiments on, xxiii, 185; xl, 313. ----, polarization of, xxviii, 366, 397. ----, polarized, and on his claims to the discovery of, _J. D. Forbes_, xl, 317. ----, production of, and of light, _J. L. Sullivan_, i, 91. ----, ----, from combustion, x, 382. ----, ----, by compression of glass, xx, 180. ----, ----, by friction, cause of, _J. T. Watson_, viii, 276. ----, ----, by combination with oxygen, different for different substances, and amount of, xv, 392. ----, radiated, influence of color on, _A. D. Bache_, xxx, 16; xxxiv, 39. ----, ----, transmission and refraction of, _Melloni_, xxvii, 228; xl, 313. ----, ---- ----, _J. D. Forbes_, xl, 315; refraction of, xxviii, 366. ----, radiation of, apparatus for illustrating, _A. D. Bache_, xxviii, 320.^f ----, ----, _Powell's_ report on, noticed, xl, 313. ----, of space, _W. Whewell_, xxix, 349. ----, ----, _Baron Fourier_, xxxii, 1. ----, specific, of gases, some of the laws of, xiii, 394. ----, ----, of certain solids, method of determining and calculating, _W. R. Johnson_, xxvii, 267. ----, sun's, _W. Whewell_, xxix, 349. ----, general views on, x, 78. ---- at the bottom of the ocean not necessarily diffused by upward currents, _W. C. Redfield_, xlv, 138. ---- and light, _S. Morey_, ii, 118, 122. ---- and vapor, inquiries respecting, _W. R. Johnson_, xxi, 304. ----, see further under _Meteorology_ and _Temperature_.

Heated waters, an agent in producing metamorphic changes, _J. D. Dana_, xlv, 104.

Heating houses by furnaces below, some important precautions, xxxiv, 84.

Heavy spar, of Berlin, Ct., analysis of, _G. T. Bowen_, iv, 325. ----, localities of, in Canada, viii, 72. ----, ----, in Carolina, iii, 4; v, 257. ----, ----, in Connecticut, i, 240; ii, 373; iv, 325; v, 40, 42.^f, 254; vi, 211. ----, ----, in Massachusetts, i, 115; vi, 211. ----, ----, in New Jersey, xxxvi, 103. ----, ----, in New York, i, 237; ii, 173, 368; v, 28; vii, 56; viii, 249; xxv, 346; xxvii, 364; xxviii, 175. ----, ----, in Tennessee, i, 63. ----, ----, in Virginia, i, 63. ----, ----, in Sicily, viii, 205.

Hebrew words, orthography of, _J. W. Gibbs_, xxiv, 87.

_Heckewelder, John_, labors of, xxxi, 64, 66.

Height, on the measurement of, by boiling water, xxxvii, 19. ----, mean, of the continents above the sea, xlix, 397. ---- of Lake Erie and various places in western New York, _C. Dewey_, xxxiii, 122. ---- of places in Ohio, Michigan, Pennsylvania and New York, _C. Whittlesey_, xlv, 12. ---- ---- in Wisconsin, _I. A. Lapham_, xlvi, 258.

Hematite, see _Iron Ore_.

Hemlock, reaction of sulphuric with the essential oil of, xxxvii, 246.

Hemming's safety tube, _J. W. Webster_, xxxvii, 104.

Hemorrhage, remedy for, v, 409.

Hemp, Manilla, account of, xli, 200.^f

_Hemprich_ and _Ehrenberg_, notice of journey by, in Northern Africa, vii, 195.

_Henry, J._, electro-dynamic induction, xxxviii, 209^f; xli, 117.^f ----, large, xix, 408.^f ----, electro-magnetic experiments, by, xxii, 403. ----, ---- apparatus, application of galvanic multiplier to, xix, 400.^f ----, ---- ----, remarks in confirmation of, _J. W. Webster_ and _R. Hare_, xx, 143. ----, magnetism, production of currents of electricity and sparks from, xxii, 403. ----, magnetic attraction and repulsion, reciprocating motion of, xx, 340.^f ----, ---- needle, disturbance during an Aurora, xxii, 143. ----, soap-bubble, experiments with, on molecular attraction, xlviii, 215. ----, spark from a long conductor in a galvanic battery, xxviii, 327. ----, spiral conductor, action of, xxviii, 329.

_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.