INDEX. 



675 



Decken, M. von, on granite veins in Corn- 

 wall, 441 ; on reptiles in SaarbrLiek coal-field, 



390. 

 De Koninck, M., cited, 184, 188. 



, on Kleyn Sj)avven tertiaries, 184. 



De la Becho, Sir H., cited, 293, 297, 827, 



..., on Carrara marbles, 612. 



..., on clay-bcds, 329. 

 . ., on clay-ironstone, 386. 



..., on coal-measures near Swansea, 359. 



..,, on fossil trees, South Wales, 373. 



..., on aranite of Dartmoor, 593. 



. . ., on mineral veins, 623, 625, 629. 



. . ., on term supracretaceous, 103. 



..., on trap of new red sandstone period, 



555. 

 Delesse, M., analysis of minerals, 475. 



..., on basalt, 466. 



..., on hypersthene rock, 473. 



. . ., on hypogenc limestone, 597. 



..., on lateriie of Antrim, 471. 



. .., on pyroxene, 465. 



,.., on serpentine, 474. 

 Deluge, 4. 



Denudation explained, 66. 

 .... of the Weald Valley, 271. 

 ...., terraces of, in Sicily. 75. 



, of volcanic craters, 504, 507. 



Derbyshire, lead-veins of, 627. 

 Deshayes, M., identification of shells, 184. 

 ...., on fossil shells in Hungary, 544. 



, on lower eocene shells, 228. 



, on tertiary classification, 115. 



...., on upper marine strata, 184. 

 Desmarest, on trappean rocks, 91. 

 Desnoyers, M., on Faluns of Touraine, 111. 

 Desor, M., on glacial fauna in North America, 



. 139. 



Devonian system, term explained, 419. 

 .... series of North Devon, 420. 



series of Eu>sia, 425. 



.... series of United States, 426. 



De Wael, M., on Antwerp strata, 173. 



Diagonal, or cross stratification, 16. 



DiatomaceoE, in tripoH, 25. 



Diceras arietinura, 3n4. 



Dicotyledonous leaves in lower chalk, 266. 



Didelphys AzarcB (recent), jaw of, 311. 



Didymograpsus geminus, D. Murchisoni, 



442. 

 Dike in St. Helena, 528. 

 Dikelocephdluti Miniiesotensis, 453. 

 Dikes at Palagonia in Sicily, 529. 

 .... defined, 6. 

 .... in Scotland, 477. 



of Somma, 526. 



...., trappean, crystalline in centre, 476, 4S8. 



Diluvium, popular explanation of term, 138. 



Dinornis of New Zealand, 165. 



DinotheHum giganteum, skull of, 176. 



Dinotherium in India, 182. 



Diorite, or greenstone, 467, 472. 



Dip, term explnined, 53. 



Diplograpsns folium, D. pristis, 442, 



Dirt-bed of Purbeck, 297, 300. 



Dolerite, or greenstone, 466, 4T3, 



Dolomite defined, 13. 



Dolomitic conglomerate, 354. 



Domite, or earthy trachyte, 473. 



Doue, M. B. de, on volcanoes of Velay, 552. 



Drift, contorted, near Cromer, 134. 



, ... in IreHind, 137. 



.... in Norfolk, 132. 



...., meteorites in, 151. 



...., northern, in Scotland. 130. 



...., northern, in North Wales, 136. 



.... of Scandinavia, North Germany, and Eus- 



sia, 126. 

 .... period, climate of, 145, 

 .... period, subsidence in, 141. 

 .... shells in Canada, 140. 

 Dudley limestone, 435. 



, shales of coal near, 593. 



Dufrenoy, M., on granite of Pyrenees, 593. 



Dufrenoy, M., on Hill of Gerirovia, 558. 

 Dulf, Mr. P., on reptile of old red, 412. 

 Dunkei-, Dr., on Wealden of Hanover, 264. 

 Dura Ben, yellow sandstone of, 412. 

 Dysastev ringens, inferior oolite, 315, 



EcHiNODEiiMS of coralline crag, 172. 

 EchinosplKBrites Balthictis, 440. 

 Edtinus, with Crania attached, 23. 

 Egerton, Mr., on fossils of Southern India, 255. 

 Egerton, Sir P., on fish of marl-slate, 353. 

 .. . ., on fossil fish of Connecticut beds, 349. 

 . . . ., on fossils of Isle of Wight, 212. 

 , on saurians and fish in new red sand.- 



stone, 836. 



, on Ichthyosaurus, 322. 



Egg-like bodiefi in Old lied Sandstone, 417. 



Eggs, fossil, of snake, 125. 



Ehrenbei'g. Prof, on bog-iron-ore, 26. 



...., on infusoria, 25. 



..... on Silurian foraminifera. 444. 



Eifei, volcanoes of, 538-543. 



Elephant-bed, Brighton, 287. 



Elephas ptdmigenius, tooth of, 165. 



Elgin, reptile of old red, found near, 412. 



Elvans of Ireland and Cornwall, 629. 



. . . ., tei-ra explained, 581. 



Ericrinite, plate of, overgrown with Serpuld 



and Bryozoa, 807. 

 Encrinite of Bradford, 307. 

 Encrinus lilii/ormis, 334. 

 'Eocene foraminifera, 227. 



. . , formations, 207, 



... formations in England, 208. 



. . . granite, 576. 



... strata in France, 194, 222. 



. . . strata in United States, 281. 



..., term defined, 115. 



. . ., upper-, near Louvain, Belgium, 1T6. 



. . . volcanic rocks, 553. 

 Eppelshcim, Dinotherium of, 176, 191, 

 "'quisetaceae of coal-period, 864. 

 Equisetites columnarl% 333. 

 Equisetum of Virginian oolite, 331, 



giganteum of S. America, recent, 364. 



EquuscabaUus, tooth of, 166. 



Erman on meteoric iron in Russia, 151. 



Erratics, Alpine, 146. 



, northern origin of, 128. 



Eschara disticha, chalk, 248, 

 Escharina oceani, chalk, 248, 

 Escher, M, on boulders of Jura, 149. 

 Estheiia f, Richmond, U. S,, 381. 

 Etna, deposits of, 528. 

 Emwmia radiata, 306. 

 Eucnnphalus pentagulatus, 407. 

 Euphotide, 473. 

 Eurite, 564, 590. 



Euritic porphyry described, 462. 

 ExtracrinuH Briareus, lias, 321, 



Faluns of Touraine, 111, 175. 

 Faluns, comparison of, and crag, 177. 

 Falunian type, distinctness ot^ from Eocen^ 



179. 

 Falconer, Dr., on Sewalik Hills, 182. 

 F'alkland Islands, 88. 

 Farnham, phosphate of lime near, 251. 

 Fascicularia aurantium, 171. 

 Fault, term explained, 62. 

 Faults, origin of, 64. 

 Favosites ^Gotklandica, 435 ; F. polymorpha^ 



422. 

 Faxoe, chalk of, 238. 

 Felis Ugris, tooth of, 167. 

 Felixstow, remains of cetacea found near, 173, 

 Felspar, varieties of, 453. 

 Fenestella retiformis, 352. 

 F^erns in coal-measures, 361. 

 Fife, altered rock in. 481. 

 F'ifeshire, trap-dike in, 557. 

 Fish, oldest, in Upper Ludlow, 481. 

 Fishes, fossil, of Upper Cretaceous, 249. 

 . , • . of Brown-coal, 540. 



