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IImnber, encroachment of the sea in its C:\stuary, 267 I1uml1oldt, Baron, on Indian rites after the earthquake of 17G6, 8 -- on the laws goveming the distribution of plants, 101 -- on tho laws which regulate the diffusion of heat, 105 · -- on Isothermal lines, 106 -- on the distribution of ferns, 112 -- on tho irregular distributionoflancl and sea, 121 -- on tho tro.nsportation of sediment by cunents, 310 -- his theory of elevation craters considered, 386 -- on the eruption of J orullo, 377 -- his theory to account for the con-vexity of the plain of Mal pais, 377 -- his account of tho earthquake of Caraccas, 1812, 407 -- on the earthquake in Quito in 1797, 410 -- on tho earthquake in Cumana, 410 -- on the earthquake in the Ca.raccas, 1790,410 -- his a.ccount of tho volcanic eruption in 'l'eneriffe, 443 Hungary, art of mining, how taught in, 55 -- travertin of, 211 Ilunstanton, its clifTs undermined, 267 Hurst Castle shingle bank, 280 Ilutchins, his account of a la.nllslip in Dorsotshire, 281 Hutchinson, John, his "Moses's Principia," 1724, 39 -- ridicules W oodwa.rd's theory, 40 -- objects to Newton's theory of gra-vitation, 40 Ilutton, first to distinguish between geology and cosmology,, 4 -- attempted to give fixed principles to geology, 61 on igneous rocks, 61 -- said geology was not concerned with "questions as to the origin ofthings," 61 --on granite, 62 -- representee! oldest rocks as dedva-tives, 63 -- his theory of earthquakes fell short of that of Hooke, Moro, &c., 63 -- alternate 11eriods of llisturbance and n~pose required by the theory of, 64 Hutton, his theory misrepresentt~d by Williams, 67 -- answers Kirwan, 6V -- on the excavation of valleys, 70 Iluttouian theory, 60 -- characteristic f~.-~o.ture of the, 63 -- its defects, 63 -- causes which led to the violent fac-tion o.gainst it, 65 Ilythc, encroachments of the sea o.t, 278 !01~, animals imbedded in, 98 -- l)redominu.nce of in the Antu.rtic Circle, lOV -- Scoreshy on the quantity which floats beneath the surface, 111 -- on the formation of field, llV -- transportation of rocks by means or, 175, 29() Icebergs, Dr. Richardson on the forma,. tion of, V8 -- in the Mackenzie River, 98 -- their enormous size in Baffin's.Bay, 109 -- llistance to which they are floated from the Poles, 111 -- seen off the Cape of Good Ilopo, 111 -- Co.11tain Hosburgh on, in low latitudes, 111 -- Captain Scoresby on the weight of earth, &c., hansported by, Ill -- quantity of ·ice below the surface in, 111 Iceland, geysers of, 464 --silex deposited by the lleysers of, 213 -- volcanic region of, 324 -- volcanic eruptions iu, 371 -- eruption of Skaphir Jokul in 1783, 372 -- submarine eruption in, 372 -- comparison between the lavas of, and those of central France, 373 -- loss of lives, &c., by the eruption of 1783 in, 374 -- new island thrown up offthe coast of, in 1783, 391 -- elcva.tion and subsidence in, 443 Impera.ti, theory of 1590, 27 Inllian festival after the earthquake of Cumana, in 1766, 8 Indus, subsidence in the channel of the, 1819,406 Inglcborough Hill, calcareous tufa de· positell a.t, 211 Inland seas, deltas of, 227 - his the01·y of em·thquakes compared to Generelli's, 64 - posses~:~ed but little knowledge of o1·ganic remains, 64 Instinct, Mr. Dugalll Stewart on the uniformity of in animals, 161 Insulo.r climates, description of, 106 Invernesshirc, inroads of the sea on the coast of, 263 INDEX. 495 Ionian Isl~s, earthquake in 1820 403 Il' new lsland thrown up' ncar '403 ppo Itoi 7~3o';lntC, on t~1e earthq~ake of . m alabr1a., 413 IrawadJ, silicified wood f t' . 1692, 33 0' no ICCd lll -- rece!lt discoveries there of fossil ammals and vegetables 33 -- s~)~osed petrifying pow~r of the, Ireland, greatrisc of the sea dtU'l·n L' b th k g IS Oil . car qua o on the coast of' 439 Ischia,,rcc~nt fossils of, 94 ' -- Silex 111 the hot springs o£ 214 -- early eruptions in, 327 1 -- abandoned by the Greeks on ac-count of the eruptions 327 -- amou.nt of its populati~u, 328 -- crupt10n of 1032 in, 333 • Island, ne,~, thrown up, in 1820, off the loman Isles, 403 - new one . thrown up near Kamt- . schatka m 1806,408 -- new ono t~rown up off' the coast of Iceland m 1783, 3!>1 Islands, ?ew, Raspe on those in the Gre. c1an Arclupclago anll the Azores 52 ' new, ei&'hteen thrown up in the ~zo~cs m 1757, 438 -- Plmy s enumeration of new 20 -- character of the vegetation i~ small 1~ ' -- animals in, 129 -- in tho Mississippi, 186 -- formed by the sediment of the Ganges, 242, 243 Isle of Palma, description of 388 -- o~ Purbeck, line of v~rtical chalk m, 280 -- of Wight, rise of the tides at 257 -- of Wigh~, continued action ~f the sea on 1ts shores 279 Italian geoloB'ists, their~riority, 28 -- geolog~sts of the 18th century, 41 -- geologists, reserve of tho earlier explained, 68 ' Italy, extent of marine formations of first ,Pointed ?ut by Vallisneri, 4i -- o~~amc remams of the south of, -- Forsyth's description of tho climate of, 360 Isonz~, delta of the, 236 lts present mouth several miles to the west of its ancient bed, 237 -- cong-lomerate formed by the 237 Isothermal lines, Humboldt on, 10'6 JAIIDE, new estuary near the mouth of the Weser, 28!1 Jamaica, earthquakes frequent in 316 -- ea~th~uake of 1692 in, tJ45' -- bmlllmgs submerged without being destroyed, in the harbour of 455 Jampang, village in Java, engulph~d by earthlluake, 411 Jan Mayea's Island volcanic 324 Java, number of volcanos in' 318 -- e~rthquako of 1786 i1:, 411 -- nvulet swallowed up by fissures in 411 ' -- village. cngulphcd in, 411 -- V?lcamc eruption and earthquakes m 1772,436 -- land raised by earthquake in 437 - .- ear~hquake of 1699 in, 444 ' J esso, acbve volcanic vents in the . 1 d of, 317 IS an Jones, Sir William on antiq . t f . Menu's Instit~tes, 5 m Y 0 J ono, An~rea de, on the Temple of Se-ra pis, 453 Jorullo, eruption of 316 -- ~rupti.on of, i~ 175!>, 376 -- 1ts hmght, &c., 377 -- ~ruption of in 1819, 37() -- lf thrown up in the sea would have been protected by its lava 409 Jura, Saussure on the, 54 ' -- relative age of the 138 Jutland will probably b~come an islan-d, 290 -- terrific inunllations in, 295 KAM'l'SCIIATKA, seven active volcanos . 317 m, -- eart~quakes in, 443 -- subst.dences and elevations in, 443 new Island thl'own up to the north of, 408 Keill refut~s Burnet's and Whiston' theones, 39 s Kellt, loss of land on the coast of. 276 K~rguel~n's land, land quadrupeds in 129 K~mmcr~dgc clay, 281 ' Kmcardmeshire, village in, washed away by the sea, 26-! King, Ca.pt., on tho extent of coral reefs on the coast of Australia 1 "0 Kirwan, his Geological Essays l79.J9 68 -- on ~h~ connexion of ge~logy ~nd rehgwn, 68 -- bcl~e':ed all rocks to be of aqueous OrJg111, 68 -- adduced the Mosaic writings to ~onfirm his opinions, 68 -- Ius remarks on tl1e age of deltas ~4 ' Konig, Mr., on the fossils brought by Capt. Parry from Melville bland 101 / |