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INDEX. 





G63 



1 1 AM 



Hamilton, Mr. TV. J., on volcanos in Smyrna 



592 



— Sir TV., on formation of Monte Nuovo, 



607, 617 



_ . Herculaneum , 646 



, Vesuvian eruption, 1779, 622 



Hampshire, waste of coast in, 530 

 jjartt, Mr., on Devonian insects, 157 

 Hartz Mountains, granite of, 70 

 Harwich, waste of cliffs, 521 

 Hastings, wearing away of coast near, 529 

 Heat, cause of diffusion over tbe globe, 231 



— measurement of, 278 



— whether gradual decline of, on globe, 



303 

 Heath, Mr., on effect of polar ice-cap, 291 



Hector, Dr., on sudden melting of New Zea- 

 land snows, 241 

 Heer, Professor, cited, 218 



— on arctic Miocene fossil trees, 203 



coal fossils of Melville Islands, 225 



Interglacial period, 196 



Oeninghen flora, 200 



Surturbrand of Iceland, 202 



wide-seeding of cryptogamous plants, 



116 

 Heligoland and Sandy Island, view of, 555 



— inroads of sea on, 554 



Hennepin and Kalm on Niagara Falls, 360 



Herculaneum, 646 



— mass enveloping, 640 



— objects discovered in, 647 

 Heme Bay,, waste of cliffs in, 523 

 Herodotus on marine fossils of Nile, 9 

 Herschel, Sir J., on climate affected by astro- 

 nomical causes, 269, 270 



his drawing of Botzen earth-pil- 

 lars, 331 



heating effect of land under sun- 

 shine, 276 



light and heat received by the 



earth, 270 



temperature of space, 279 



theoretical difference of climate 



north and south of equator, 277 



variation of obliquity of ecliptic, 282 



— Sir TV., on motion of earth through space, 

 302 



Hewitt, Captain, on channel formed by shift- 

 ing of sand-banks, 517 



Hibbert, Dr., on blocks washed out of Shet- 

 land Isles, 503, 505 



Hilgard on ■ Coast-Pliocene ' of Mississippi 

 delta, 448, 460 



fossil remains of New Orleans Artesian 



well, 459 



Himalaya, height of fossil shells in, 144 

 Hindoo cosmogony, 6 



Hippopotamus, teeth of, in Nile delta, 438 

 Hoff, Von, on level of Caspian, 28 

 Hoffmann on lava of Vesuvius, 627 

 Holbach against diluvial theory, 50 

 Holland, inroads of the sea in, 552—557 

 Holyhead, submerged peat-bed at, 545 





ICE 



Hooke on duration of species, 41, 42 



— his diluvial theory, 44 



— on fossil turtles implying high tempera- 

 ture, 174 



Hooker on blocks carried by icebergs, 382 

 Hooker, Dr., on delta of Ganges, 470—477 



rain in India, 330—332 



snow checking radiation of heat, 2S5 



Hopkins on change of climate from geogra- 

 phical causes, 261 



glacier motion, 372 



heat received by earth in passing 



through space, 302 



thickness of earth's crust, 129 



Horner, Mr., on thickness of Nile mud, 434 

 Horsburghon icebergs in low latitudes, 246 

 Hubbard on floods of North America, 352 

 Hue, M., on yaks frozen in ice in Tibet, 190 

 Huggins on spectrum analysis of a variable 



star, 303 

 Human remains, their durability, 166 

 Humber. ' warping ' of the, 570 

 Humboldt on average rainfall, 329 



carcasses frozen in mud, 189 



Cumana earthquake, 11 



— his definition of volcanic action, 577 



— on diffusion of heat over the globe, 234 



loss of heat in southern hemisphere, 284 



migration of animals, 179 



thickness of snow on Alps, 287 



Humphreys, General, cited, 419 



Humphreys and Abbot, MM., report on 

 Mississippi, 442 — 445 



sediment carried down by Mis- 

 sissippi, 453—458 



Hunt, Mr. T. Sterry, on petroleum, 413 



Hurst Castle shingle bank, 531 



Hutchinson, John, his Moses's Principia, 49 



Hutton distinguished Geology from Cosmo- 

 gony, 4 



— theory of, 73, 74—77, 83 

 Hypogene rocks, 144 



ICE, animals imbedded in, 296 

 — floating in. sea of white chalk, 216 



— solid matter transported by, 363 



— thickness and extent of polar, 285 

 action and erratics, 10S 



■ in Eocene period, 209 



in Miocene times, 205 



supposed, in Permian period, 222 



in Devonian period, 231 



Iceberg, seen off Cape of Good Hope, 246 



— carrying a mass of rock, 381 

 Icebergs carrying blocks, 379 



— floating south, a cause of cold, 245 

 Ice-cap, probable thickness of polar, 288 



— on pole, affecting the level of the ocean, 



272, 285, 289 



Ice-caps, at both poles, in the Glacial period, 



282 



— effect of, on the level of the ocean, 289, 290 



Ice-streams in Baffin's Bay, 2SS 



