536 



INDEX. Dr Fo 



Drumadoon, 305. 



Dufrenoy, age of mefcamorphism in Py- 

 renees, 393. 

 Dumfries, gold of, 418. 



Permian, volcanoes of, 311. 



Duucan, Prof. P. M., on Favosites, 481. 



on Madreporaria, 482. 



Dunite, 27, 287. 



Durocher's hypothesis of magmas, 169. 



Dyer, W. T. Thistleton, on algae, 194. 



Dykes, 77, 334. 



Dymoke, sands of, 96. 



EARTH-MOVEMENT IN BRITAIN, 347. 

 Earthquakes, 321. 



causes, 324. 



distribution, 324. 



effects, 324. 



motion, 323. 



origin, 323. 



velocity of waves, 322. 



East Wheal Lovell, Foster on, 421. 



Eccles, sand dunes of, 125. 



Echinoderms, changed habit of, 452. 



Echinosphaerites, 488. 



Eddystone, gneiss of, 381. 



Edentates in Europe, 525. 



Edinburgh district, volcanoes of, 308. 



Effects of earthquakes, 324. 



Eigg, lavas of, 319. 



Eklogite, 27. 



Elaeolite syenite, 223. 



Elements forming rocks, 21. 



Elevation and depression of land, 325. 



Elevation of Norway, Lyell on, 171. 



Elie ruby, 369. 



Elie de Beaumont, hypothesis of, 346. 



Klvanite, 37. 



El vans and granites compared, 231. 



Enaliornis, 519. 



Eucelius, 3. 



Encroachments of the sea, 165. 



Encrinus, figure of, 487. 



Eudocyclica, 489. 



English Channel, 122. 



Ennerdale syenite, 236. 



Enville, Permian breccias of, 150. 



Epochs, 74. 



of convulsion, 79. 



of upheaval, 332. 



Erosion, simulating fracture, 330. 



Erratics in Secondary rocks, 151. 



Eruption, sequence of events in an, 181. 



Eruptions, why intermittent, 178. 



Eruptive hot springs, 194. 



Eruptive power of volcanoes, 177. 



Erythraean sea, 2. 



Eskdale granite, 235. 



Estuarine deposits, mollusca of, 442. 



Ethiopian resrion, 463. 



Etna, 2, 154/ 



lava streams from 185. 



Ettingshausen, Baron C., on floras of 



Alum Bay and Sheppey, 475. 

 Eucrocodilia, 513. 

 Eulysite, 287. 

 European andesites, 260. 



European basin, mountains of, 352. 

 convulsions, Elie de Beaumont on, 



345. 



iron ores, 435. 



syenites, 222. 



Evidence of extinct volcanoes, 290. 

 Evolution of igneous rocks, 207. 



of mammalia. 520. 



Excavated lakes, 136. 



Excavating action of streams, 153. 



Exchange of beds, 89. 



Existing distribution of life, 454. 



Exmoor, iron ores of, 428. 



Exocyclica, 490. 



Experimental formation of igneous rocks, 



213. 



Extinct geysers, 196. 

 volcanoes, 179. 

 Extinction of species, 443- 



FABRICIUS, 3. 



Fairbairn, Sir "VV., on atmospheric pres- 

 sure, 328. 



Falls of St. Anthony, 156. 



False bedding, 73. 



Fans, 157. 



Farrid Head, serpentine of, 367. 



Faroe Isles, 28. 



Faults, 76, 78, 333. 



relation of, to axes of elevation, 334. 



Felsite, 37. 



porphyry, 270. 



Felspar basalts, 278. 



magnetites, A. Geikie on, 310. 



in metamorphic rocks, 361. 



in rhyolite, 272. 



Felspars, 22, 361. 



Fenestella, figure of, 495. 



Ferrite, 255. 



Fife, volcanoes of, 309. 



Figure of the earth, 10. 



Fisher, Osmond, on elevation of moun- 

 tains, 171. 



on internal heat, 169. 



Fissure eruptions, 189. 



Fissures, direction of, 183. 



Fitton, geology of Hastings, 166. 



Flat veins, 403. 



Flexures in mica schist, 375. 



Flight of meteorites, 18. 



Flint, 21. 



in fissures, 112. 



Flints, 111. 



Fluxion structure in volcanic rocks, 254. 



Focus of elevation, 348. 



Foliation, 31. 



Foraminifera, antiquity of, 479. 



Foraminiferal limestone, 48. 



Forbes, David, on foliated limestone, 

 360. 



on South America, 105. 



on table-laud in the Andes, 132. 



Edward, on climate and distribu- 

 tion, 455. 



on distribution of life, 449. 



on extinction of species, 450. 



on inferences from species, 453. 



