GENEEAL INDEX. 



631 





OS. 



Hii 



'11. 





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u. 



■^^ial 



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OUt; 



fxist. 



' "I 



^'1 



^.al i. 



, I. 'm 



V, i. :« 



:Ai 



lope. i. 

 edsto 



)laT, !■ 

 of the 



Gla« 



lil 



oc 



fieaiii 



I' 



ft 



160 





I 



ICK 



Iceland,' new island near, n. 49 



Surturbrand and fossil plants of, i. 



202 ^ , 



supposed effects of first polar bear 



entering, ii. 448 

 volcanic eruptions in, ii. 48 ^ 

 Ichthyosaurus in lias, lat. 7T^ N., i. 219, 



232 



letis of Diodorus Siculns, i. 542 



Igneous action. ^S^^ Volcanic. 



conservative power of, ii. 238, 



243 



and aqueous forces, counterbalancing 



and antagonistic effects of, ii, 97, 237, 



243 . . ■ 



^ forces, supposed former intensity of, 



i. 117 



— rocks, nature of subterranean, ii. 77 

 Imbedding of reptiles, insects, and birds, 



ii. 533, 534 

 ^- of terrestrial quadrupeds, ii. 535 

 India, buried houses and cities in, ii. 



512 



Indian region of mammalia, rise of land 



which would unite all the islands of 



the, ii. 346 

 Indus, changes of level in delta of the, 



ii. 99 



map of the, ii. 98 

 . — sinking of delta of, ii. 177 . 

 Infusorial tuff of Pompeii, i. 644 

 Inland seas, deltas of, i. 417, 420, 421 

 Inorganic causes of change, i. 327 

 Inquisition, effect of, in retarding the 



intellectual progress of a nation, ii. 



489 

 Insect-destroying animals in Paraguay, 



ii. 337 



Insects in Devonian strata, i. 157 



agency of, in preserving equilibrium 

 of species, ii. 436 



— number of British insects known 



(1833), ii.*271 



— of Atlantic islands chiefly indigenous, 

 ii. 415 



— distribution and migration of, ii. 377 



— fertilisation of plants by, ii. 309 

 • — imbedding of, ii. 533 



— of Chili some of northern species, ii. 

 337 



Instincts, hybridity will not account for 

 special, ii. 325 

 inherited, of dogs, ii. 294 



— of migration, ii. 357 ■ 

 'Insular' climates, i. 239 



— Faunas and Ploras, ii. 402 



Inter-glacial periods, i. 195 



Ireland, bursting of peat mosses in, ii, 

 504 



— poat with buried hut in, ii. 504 

 Iron, melting point of, ii. 207 



JON 



Iron-ore, sources of bog, ii. 501 

 Ischia, view of volcanic rocks of, i. GOl 

 hot springs of, i. 409 

 volcanic eruptions of, i. 598, 605 

 earthquake of 1828 in, ii. 93 

 Island, new, in Mediterranean, 1707, i. 

 51 



— mode of peopling with landshells, ii. 

 429 



Islands, destruction of, in Baltic, i, 554 



on coast of Scotland, i. 506 



formed by Ganges, i. 472 



floating, of driftwood, ii. 361 



floras and faunas of, ii. 402 



of Atlantic, age and origin of, ii. 

 403 



some originally uninhabited by man, 

 li. 466 



the peopling of, accords with theory 

 of variation and natural selection, ii. 

 431 

 Isle of Wight, waste of its shores, i. 

 530 



Isothermal lines, their curves in Europe 



and America, i. 236, 239 

 Isothermals, map of mean annual, i, 



238 



— deflection of, in Glacial period, i. 



297- 

 Italy, alternation of earthquakes between 

 Syria and, i. 594 



— Pliocene strata of, i, 199 

 early geologists of, i. 30, 50 



Ivory, vast stores of, in Siberia, i, 185 



JACK, Dr., on coral of Pulo Nias, ii. 

 605 

 Jamaica, earthquake in, 1692, Ii. 160 



— thickness of Miocene coral in, ii. 



607 

 James, Sir Henry, on Dead Sea level, I. 



112 



block of tin dredged up In 



Palmouth harbour, I. 541 

 Jamieson, Mr., of Ellon, on glacier-lake 



theory, i. 379 

 Japan, Indian character of snakes in, ii. 



343 

 Java, valley of poison in, i. 589 



— voleanos in, i. 589 ; ii. 56 



— earthquakes in, ii. 105, 113, 145, 



158 



river floods in, ii. 538 

 and Sumatra, zoological connection 



between, Ii. 346 

 Jeffreys, J.Gwyn, on English landshells, 



ii. 427 



— littoral deposit under marine 



strata in Sweden, ii. 192 

 Jones, Sir W., on Menu's institutes, 



