788 



INDEX. 



Cystide?e in Silurian rocks, 564. 

 Gythere (?) inflata, Coal, 493. 

 Cytherella, Chalk, 26. 

 Cytherina, Chalk, 26. 



Dachstein beds, composition of, 435. 



Dadoxylon, coal-plant, 476. 



Dana, Mr., on Sandwich Islands volcanoes, 623, 



625, 664. * 



on Kamschatka soundings, 321. 



on slope of lavas, 685. 



on zoantharia and bryozoa, 214. 



on minerals of metamorphic rock, 744. 



on coral-reef of Sandwich Islands, 319. 



Dapedius monilifer, Lias, 421. 

 Daphnogene cinnamomifolia, 264. 

 Darbishire, Mr. E. D., on Moel Tryfaen shells, 



159. 

 Dartmoor, intrusive granite of, 738. 



carboniferous granite of, 725. 



Darwin, Mr., on plutonic rocks of Andes, 721. 



on corals of Pacific, 319. 



on mammalia of South America, 129. 



on Welsh glacial drift, 159. 



on gravel-beds of South America, 640. 



on sinking of coral-reefs, 46. 



on gradual rise of part of S. America, 46. 



on pre-glacial migration of plants, 273. 



on transportation of pebbles, 323. 



on dikes of St. Helena, 664. 



on marine saurian, 426. 



on South American ostrich, 456. 



on foliation and cleavage, 753-755. 



Date of rocks ascertained by organic remains, 



180. 

 Dates of discovery of fossil vertebrata, 589. 

 Daubeny, Dr., on basalt, 598. 



on decomposition of trachytic rocks, 741. 



on age of Auvergne volcanoes, 691. 



Daubree, on alkaline waters of Plombieres, 



740. 

 Davidson, Mr., on fossils of Lias, 418. 

 Dawes, Mr. J. S., on calamites, 472. 

 Dawkins, Mr. W. Boyd, on Trias quadrupeds, 



on Triassic mammifer, 442. 



Dawson, Dr., on Eozoon Canadense, 5S4. 



on Pupa vetusta, 511. 



■ on position of calamite, 472. 



on Devonian flora, 547. 



Dax, inland cliff at; 72. 



Dean, forest of, coal in, 504. 



Deane, Dr., on footprints in Trias, 454. 



Debey, Dr., on flora of Aix-la-Chapelle, 333. 



Dechen, M. von, on Cornish granite veins, 713. 



on reptiles in Saarbriick coal-field, 506. 



on remains in brown-coal, 678, 



Delesse, M., on minerals of hypogene lime- 

 stone, 744. 



on augite and basalt, 598. 



on globular structure of volcanic rock, 619. 



on felspathic rock of Madeira, 653. 



Deltas of Switzerland, 120. 



Deluge, 4.' 



Dendrerpeton found in Coal, 510. 



Dennis, Bev. J. P., on Stereognathus, 409. 



Denudation explained, 66. 



terraces of, in Sicily, 75. 



of the Weald valley, 357-376. 



of chalk, 364. 



of Palma fluviatile or marine ? 639. 



Deposition, proofs of gradual, 231. 

 Derbyshire, veins in mountain limestone, 771. 

 Deshayes, M., on recent and fossil shells, 188. 



on pisolitic limestone, 313. 



on shells of Etna, 190. 



on Hungarian shells, 683. 



on Soissonnais shells, 305. 



Desmarest, on trappean rocks, 87. 



Desnoyers, M., on Eocene fossil footprints, 301. 



■ on faluns of the Loire, 183. 



Desor, M., on shells of the Sahara, 176. 



■ on Celtic coins, 111. 



Devonian period, vegetation of, 546. 

 Brachiopoda, 542. 



Devonian fossils of the Eifel, 679". 



fossils of, 537-543. 



series of North Devon, 536. 



of Eussia, 542. 



of United States, 543. 



series, table of, 536. 



system, term explained, 535. 



Devonshire, cleavage of slate rocks in, 750. 



Diablerets, shells from the, 307. 



Diagonal, or cross-stratification, 16. 



Diagram of plutonic and sedimentary forma- 

 tions, 720. 



Diallage rock, 605. 



J>iastopora diluviana, 403. 



Diatomacem in tripoli, 25. 



Diceras arietina, Coral-rag, 399. 



— - — Zonsdalii, 344, 



Limestone, term explained, 399. 



Dicotyledonous leaves in chalk, 333. 



Mdelphys Azaraz, Oolite, 408. 



Didymograpsus geminus, Silurian, 567. 



MurcJiisonii, Llandeilo, 565. 



Diest sands, 234. 



Dikelocephalous skull, 113. 



Dikelocephalus minnesotensis, 5S2. 



Dikes, trap and volcanic, 609. 



— in Sicily, 665. 



of coarse and fine-grained granite, 730. 



of Monte Somma, 662. 



defined, 6. 



rocks altered by, 613. 



volcanic, of St. Helena, 617. 



of Vesuvius, 663. 



Diluvium, origin of term, 137. 



Dinornis, skeleton of, 455. 



Dinotherium qiganteum, 213. 



Diorite, 599, 605. 



Dip, term explained, 53. 



Diplograpsus folium, Silurian, 565. 



pristis, Silurian, 565. 



Dirt-bed of Lower Purbeck, 389.. 



Distribution of fossil quadrupeds, 128. 



Dolerite, 598, 605. 



Dolomite defined, 13. 



of cone of Monte Somma, 661. 



Domite, 605. 



Downs, South, chalk escarpment of, 360, 361. 



Downton Sandstone, fossils of, 551. 



Drew, Mr., on Hastings sand, 348. 



Drift of Scandinavia, North Germany, and Eus- 

 sia, 149. 



shells in Canada, 165. 



contorted, 156. 



— - in Ireland, 160. 



northern, of Scotland, 151. 



North Wales, 158. 



Norfolk, 160. 



transported by icebergs, 144. 



meteorites in, 176. 



Dromatherium sylvcstre of N. Carolina, 457. 



Dryandra ScliranMi, Lower Miocene, 262. 



Dryandroides Halceazfolia, near Lausanne, 

 262. 



Dudley limestone, 557. 



burning coal-mines at, 738. 



Dufrenoy, M., on line between Miocene and 

 Eocene, 218. 



on granite of Pyrenees, 739. 



Dumont, Prof., on Belgian Lower Eocene, 313. 



Duncan, Dr., on West Indian corals, 274. 



Dundry Hill, near Bristol, section of, 98. 



Dunker, Dr., on Weald of Germany, 351. 



Dura Den, yellow sandstone, 524. 



Durham, intrusion of trap between beds near, 



Earthquake in Olot, 672.. 

 Echinoderms in coralline crag, 205. 

 EcMnosphairites ballicus, Silurian, 564. 

 Echinus, with crania attached, 23. 

 Edeghem beds, fossils of, 233. 

 Edwards, Mr., on Brockenhurst shells, 286. 

 Egerton, Mr., on fossils of Southern India, 340. 

 Egerton, Sir P., on fish of Penarth beds, 442 

 on Old Eed fish, 532. 



_u 



