IXDEX. 



791 



Gneiss, fundamental, of Scotland, 5S5. 



granite veins traversing, 711. 



Gold, age of, in Ireland, 77S. 



in'Ural Mountains, 770. 



Gold mines of Australia and Chili. 770. 

 Goldenberg, Mr. Fr., on Saarbriick insects, 494. 

 Goldfuss, Prof., on reptiles in Coal, 506. 

 Gonial ites crenisiria, 520. 



Listeri, Coal, 495. 



■ evolutus. 520. 



Goppert, M., on petrifaction, 40. 



■ on plants of coal-measures, 463. 



on Swiss Miocene, 24S, 256. 



Gorgonia infundibuliformis, 460. 



Graham's Island, 621. 



Grampians, Old Eed conglomerates in, 47. 



Old Eed of, 530. 



gneiss and crystalline schists of, 765. 



Grateloup, M. de, on Dax fossils, 33S. 



on fossils of Chalk. 33S. 



Grand Canary, shelly tuffs of, 675. 



Granite, dikes in coarse and fine-grained, 729. 



described, 7. 



fine-grained, of Ploverfield, 723, 729. 



schorly, 70S. 



porphyritic. 707. 



veins.* structure of, 712. 



formation of. 702. 



protrusion of solid, 727, 731. 



veins in talcose gneiss, 713. 



composition of, 705. 



hydrothermal action in formation of, 707. 



passage of, into trap, 708. 



Granites, Arran, age of, 727. 



oldest. 72(5. 



Graphic granite. 704. 



GraphiteT powder of, consolidated by pressure, 



33. 

 Graptolites, 565. 



Graptolites JIurchisonii, Llandeilo. 565. 

 Graptolithus Ludensis, Silurian, 559. 

 Grasshopper, wing of. in coal-measures, 494. 

 Grauwaeke. term explained, 549. 

 Gray. Dr. Asa, on Miocene Atlantis, 269, 271. 

 Grar's Tkurrock. Essex, pachvderms found at, 



130. 

 Graystone, 605. 

 Gravstone, volcanic rock, 605. 

 Great Oolite, 402. 

 — fossils of, 402. 

 Greece, Upper Miocene of, 247. 

 Greensburg, Penn., reptile footprints of, 509. 

 Greenland," sinking of coast of, 46. 



■ continnal ice of, 144, 145. 



Greensand, Lower, 341. 

 - — Upper, 331. 

 Greenstone. 599, 605. 



dike, Christiania, 612. 



columns of, 693. 



Gres de Beauchamp, 302. 



Gre* de Fontainebleau, Miocene or Eocene ? 



217. 

 Greywacke, Older Ehenish. equivalents of, 541. 

 Griffiths, Sir E,, on Coal strata of Ireland. 466. 

 Gri^non, fossil shells near, 303. 

 Grit defined, 11. 



Gryllacris lithanthraca, Coal, 494. 

 Gryphoza coated with Serpuloe, 22. 



arcuata, G. incarva, 29. 



incurva, Lias, 417. 



■ virgula, Kimmeridge clay, 395. 



columba, Chalk, 323. 



globosa, Chalk, 323. 



Gryphite limestone, 417. 



Guadaloupe, glass-cavities in quartz of, 706. 



Guidotti, Prof., cited. 188. 



Guiscardi. Signor, on shells of Tesuvius, 190. 



Gumbel, M., on Hallstadt beds. 434. 



Gunn. Mr., on Norfolk drift fauna, 160. 



Mrs., on Norwich flints, 322. 



Gutbier, Col. von, on Permian flora, 463. 

 Guttenstein beds, thickness of, 436. 

 Gymnogens, term explained, 333. 

 Gypseous marls of Auvergne. -"-'7. 

 Gypsum defined, 13. 



Gyrolepis lenuistriatus, 442. 



Haime, M., on Bryozoa, 214. 

 Rakea exutata, Switzerland, 262. 



salicina, GEningen, 255. 



saligna, OSningen, 255. 



Hall, Capt., on Cyclopian Isles, 659. 



Prof, on exogen in Devonian strata, 547. 



Sir James, on curved strata, 43. 



on crag and tail, 152. 



on cooling of metals, 663. 



Hallstadt beds, position and fossils of, 434-436. 



Halysites catcnularius, Silurian, 557. 



Ha mites spiniger, 332. 



Hamilton, Sir W., on dikes of Vesuvius, 663. 



Hampshire, Old Harry rocks of, 372. 



Harlech Grits, fossils of, 573. 



Harpactor maculipes, OSningen, 257. 



Harris. Major, on salt lakes, 450. 



Hartung, M., on aqueous erosion in Palma, 642. 



on~Madeiran fossil plants, 649. 



on Teneriffe, 645. 



on lava at Port Moniz, 654. 



on shells of Azores, 676. 



on geology of Madeira, 628. 



on Madeira and Canary Miocene fossils, 



674. 

 Hartz Mountains, mineral veins, of, 770. 



bunter sandstein of, 440. 



Hastings, Marchioness of, on Headon beds, 235. 



sands, 343. 



Hauer, M. von, on age of Werfen sandstone, 



436. 

 Hautes Alpes, rocks of, 724. 

 Hawkshaw, on fossil trees in Coal, 4S0. 

 Hay den, Mr., on Nebraska plants, 340. 

 Headon series, Isle of Wight, 234. 

 Heat, intense, not required for metamorphic 



rocks, 739. 

 Hebert, M., on pisolitic limestone, 313. 



on Sables de Bracheux, 306. 



on fossil shells of Etampes. 218. 



on French Eocene mammalia, 3ST. 



Hebrides, dikes in trap in, 611. 



Heer, M., on Superga fossil plants, 247. 



on Lower Miocene plants, 243. 



on North American Sequoia, 263. 



on beds of Croatia, 246. 



on Miocene Atlantis, 269. 



■ on Virginian fossils, 451. 



on fossil plants of Switzerland, 243-267. 



on Monte Bolca Eocene plants, 695. 



■ on Madeiran fossil plants, 650. 



on Swiss Miocene insects, 267. 



Heidelberg, varieties of granite near, 712. 

 Heliolitesporosa, Devonian, 539. 

 Helix labyrinthica, Headon Hill, 284. 



occlusa, Bembridge, 232. 



plebeia, Ehine, 119. 



Taronensis, 30. 



Hemicidaris Purbeclcensis, 330. 

 Hemipneustes radiatus, Chalk, 316. 

 Hemitelites Brovmii, Lower Oolite, 411. 

 Hempstead beds, subdivisions of, 239. 

 Henfrey, Mr. A., on New Jersey Mastodon, 167. 

 Henslow, Prof, on altered rock near Plas- 



Newydd, 613. 



on trunks in dirt-bed, 391. 



Herculaneum, bronze instruments found at, 



112. 

 Herodotus on lake-dwellings, 110. 

 Herschel, Sir J., on slaty cleavage, 749. 

 Hertfordshire pudding-stone, 35. 

 Heterocercal tail of tish, 461. 

 tails characteristic of fish of primary 



period, 534. 

 Hibbert. Dr., on coal-field at Burdiehouse, 495, 

 Hill of Gergovia, strata of, 693. 

 Himalaya, elevated fossiliferous rocks in, 4. 



Tertiary mammalia of, 276. 



Hippurite limestone, 336. 

 Hippurite organisans, Chalk, 337. 

 Hippopodium ponderosum, Lias, 41S. 

 Hippopotamus, molar of, 134. 

 Hister coprolit/iorum, QSningen, 251. 



