648 



GENERAL INDEX. 



VOL 



VolcanicformationSjfossiLs imbedded in, 

 ii.509 



heat, magnetism and electricity 

 sources of, ii. 230 



phenomena most consistent with par- 

 tial fluidity of earth's crust, ii. 209 



— submarine eruptions in 1800, ii. 408 

 Volcanos, a cause of hot springs, i. 



396 



— and atolls, map of active, i. 586 



■ — how to distinguish active from ex- 

 tinct, i. 597 



— of Phlegrsean Fields, i. 616 

 Sandwich Islands, i. 590 



— safety valves, according to Strabo, 

 i. 25 



— and earthquakes, common origin of, 

 ii. 198, 240 



recapitulation of causes of, ii, 



240 



limited areas of, at any one period, 

 ii.210 ^ ^ 



mud cones, ii. 75 

 submarine, ii. 58 



why frequent at junction of sea and 

 land, ii. 229 



Voltaire's attacks on Geology, i. 79 

 Von Baer, on ice-drifted rocks, i. 385 

 Von Buch cited, i. 225 



on felspathic volcanic rocks, i. 



580 



610 



633 



ii. 191 



formation of Monte Nuovo, i. 



hypothesis of elevation craters, i. 



on glacier in Norway, i. 380 

 rents in A^olcanos, i. 614 

 volcanos of Greece, i. 592 

 eruption of Lancerote, ii. 64 

 raised marine strata in Sweden, 



rise of land in Sweden, ii. 185 

 Von Hoff on level of Caspian, i. 28 

 Von Liebig on Barren Island, ii. 74 



Von Schrenck on migrations of animals, 

 i. 180 



Vulcanists and Ncptunists, i. 71 



'ALL, Mr., on pitch lake of Trinidad, 



w 



Wallace, Alfred, on former connection 

 of Malay Islands, i. 250 



deposition of Nile mud, i. 437 

 - — — species, ii. 276, 278, 280 f 



—mind of man varying instead 



of his body, ii. 471 



— southern character of Japan 



snakes, ii. 343 



zoological boundary in Malay 

 Archipelago, ii. 347, 352 



Will 



Wallace, Alfred, on peculiar species of 

 Australian and Indian regions, ii. 349 



Algerian species identical with 

 European, ii. 341 



- limits to variability of a spe- 

 cies, ii. 300 



■ barriers to migration of ani- 

 mals, ii. 355 



mammals of Java and Borneo, 



ii. 346 



Indo-Malayan and Papuan 



races, ii. 474 



annual increase and destruc- 



tion of life, ii. 280 



ii. 281 



Lamarck's theory of volition, 



domestic animals becoming 

 'feraV ii. 304 



Wallerius, theory of, i. 66 

 Wallich, Dr., on Ava fossils, i. 43 



wood in peat near Calcutta. 



i. 478 



— George, on life in deep seas, ii. 577 

 AValtershausen, Von, on. Etna, ii. 2, 20 

 ' Warping,' land gained by, i. 569 



Waste of coasts by action of sea, i. 493- 

 561 



Water, transporting power of, i. 347] 



— action of running, i. 344-346 



— salt and fresh, agency of in volcanos, 

 ii. 223, 225 



Waterhouse, Mr., on species of mar- 

 supials, ii. 332 



Wave and retreat of sea, during Lisbon 



earthquake, ii. 150 

 Webster, Dr., on rain-prints, i. 334 

 Weld, Mr. F., on New Zealand earth- 

 quake, ii. 87 

 Wells, Artesian. See Artesian Wells 

 Wener, Lake, horizontal Silurian strata 



of, i. 315 

 Werner, his lectures, i. 68-70 

 ■ — on transition texture of rocks, i. 141 

 West Indies, active volcanos in, i. 584 



Upper Miocene strata of, i. 201 



West Indian earthquakes, ii. 146, 160 

 seeds floated to Azores by Gulf- 

 stream, ii. 419 

 Whales, migrations of, to north pole, i, 



286 

 Wheat in mummies, of Egypt, identical 



with living species, ii. 265 

 Whewell, Dr., on geological enquiry, i. 86 

 Whin Sill, long volcanic dike, i. 578 

 Whirlwinds, violent, during erruption in 



Sumbawa, ii. 144 

 Whiston, his theory of the earth, i. 48 

 White Mountains, landslips inthe,i. 351 

 Whitehurst, theory of, i. ^Q 



— on subsidence of Lisbon quay, ii. 148 

 Whitsunday Island, view of, ii. 585 



islands* 



foot of. 

 ffoodvaiv 



ffrangel ( 



187 



