790 



INDEX. 



Foliated gneiss, 733. 



Foliation, irregularities in, 756. 



of crystalline rocks, 753. 



Fontainebleau, gres de, 217. 



Footprints of reptiles, 507, 503. 



fossil, in New Eed. 443. 



of a bird, Connecticut, 454. 



in Connecticut Yalley, 453. 



fossil, on Potsdam sandstone, 5S2. 



Foraminifera, Chalk, 26. 



Cretaceous, 321. 



of Mountain Limestone, 522. 



Eocene, 303, 304. 



Forbes, late E., on term Pleistocene, 107. 



on Post-glacial fauna, 129. 



on westward extension of Europe, 269. 



on depth of animal life in JEgean Sea, 35. 



on corals of Devonian strata, 545. 



on subdivisions of Bembridge beds, 282. 



on Older Pliocene shells, 205. 



on Touraine fossil testacea, 213. 



Forbes, Mr. D., on planes of foliation, 754. 



Forbes, Prof. J. IX, on Alpine glaciers, 142. 



Forest marble, 401. 



Forests, fossil, in Coal, 484-488. 



fossil, of Isle of Portland, 391. 



Forfarshire, Cephalaspis beds of, 531. 



Formation of the Weald, 345. 



of the Caldera of Palma, 634. 



term defined, 3. 



Formations, Belgian and British Miocene, 233. 



intermediate between Eocene and Creta- 

 ceous? 313. 



Formica lignitum, (Eningen, 251. 



Fossil plants of Lias, 428. 



forest near Wolverhampton, 482. 



footprints, Eocene, 301. 



trees erect in Coal, 482, 4S3. 



plants of Lower Miocene, Switzerland, 



259. 



plants of Bovey Tracey, 240. 



term defined. 4. 



— — wood, perforated by Teredina, 24. 



petrifaction of, 39. 



shells in Coal, Nova Scotia, 48S. 



quadrupeds, distribution of, 128. 



shells, Tertiary, 188. 



plants of Monte Bolca, 695. 



Fossilii'erous strata, general table of, 101. 



groups of, 99, 100. 



table of, 102. 



Fossils of Portland- stone and Kimmeridge 

 clay, 394, 395. 



of hippurite limestone, 338. 



of mountain limestone, 516. 



common to Upper and Middle Oolite, 39S. 



common to Middle and Lower Oolite, 401. 



of the Lias, 418. 



petrifaction of, 39-43. 



test of the age of formations, 98. 



arrangement" of, in strata, 21. 



freshwater and marine, 27. 



of Llandovery formation, 561. 



of the Muschelkalk, 438. 



of Old Eed Sandstone, 524-534. 



proportions of, in divisions of Oolite, 413. 



of primordial zone, 580. 



of Lower Greensand, 343. 



of Coal, 493^95. 



of Wealden group, 348. 



cf Bolderberg beds, 236. 



number of, in Hallstadt beds, 436. 



of Permian strata, 460. 



of (Eningen molasse, 249. 



— of nummulitic formations, 307. 



of the Upper Ludlow, 551. 



of Eed Crag, 201. 



of Upper Greensand, 331. 



of the Upper Cretaceous rocks, 325. 



of Devonian, 537-543. 



Fournet, on Auvergne metalliferous gneiss, 



741. 

 ■ on quartz, 705. 



on veins in granite, 773. 



Fox, Eev. D. t onlsle of Wight mammalia, 2S3. 



Fox, Mr., on cause of electric currents in 



veins, 776. 

 Fracture, lines of, in the Wealden, 366. 



lines of, in rock, 774. 



Fragments, included, test of age of plutonio 



rocks, 717. 



test of age of volcanic rocks, 658. 



France, Lower Miocene strata of, 217-222. 



map of Lower Miocene of, 221. 



Miocene strata of, 212. 



French divisions of cretaceous series, 314 

 Freshwater formations in Auvergne, 227. 

 how distinguished from marine, 27, 28, 



30, 32. 



beds, land-shells numerous in, 27. 



- — shells in brown-coal near Bonn, 679. 



Fulgur canal iculatus, Maryland, 278. 



Fuller's earth, shells of, 412. 



Fundy, Bay of, impressions of red mud in, 453. 



Fungi on fossil leaves, 266. 



Fungia patellaris (recent), 515. 



Fusion of quartz, 705. 



Fumlina cylindrica, 522. 



Fusus contrarius, Eed Crag, 202. 



■ quadricostatus, Maryland, 278. 



Gabbeo, or Diallage rock, 605. 

 Gaillonella distans, G. ferruginea, 25. 

 Galapagos Islands, living marine saurian in, 



425. 

 Galeocerdo latidens, tooth of, 290. 

 Galerites albogaleras, White Chalk, 325. 

 Galestes in Middle Purbeck, 385. 

 Ganges, buried soil in delta of, 492. 

 Ganoids of Wealden, 349. 



preponderance of, in Old Eed strata, 533. 



of Trias, 452. 



Gap in time between Eocene and Cretaceous 



periods, 312. 

 Gaps, numerous, in the transitions of strata, 



179. 

 Gases, subterranean, rocks altered by, 740. 

 Gaudin, M., on Subapennine flora, 210. 



on Swiss Miocene, 248, 261. 



Gault of Upper Cretaceous, 331. 



thickness of, 332. 



Gavarnic, flexures of strata near, 59. 

 Geikie, Mr., on ice-action on land, 153, 155. 



on Pentland Old Eed volcanic rocks, 699. 



Gemunder 3Iaar, view of, 680. 



Genera of Hallstadt and St. Cassian mollusca, 



437. 

 Geneva, Lower Molasse of, 259, 260. 

 Geographical relationship between fossil and 



living vertebrata, 128, 129. 

 Geography, physical, of Cretaceous and Weal- 

 den districts, 353. 

 Geology defined, 1. 

 Gergovia, associated tuffs and lacustrine strata 



of, 693. 

 Germany, Triassic fauna of, 432. 

 Gers, Upper Miocene strata of, 232. 

 Gervillia anceps, 344. 

 Giant cauldrons of Sweden, 141. 

 Giant's Causeway, columnar basalt of, 616. 



basalt, age of, 242. 



Gibbes, E. W., on Eocene cetacean, U. S., 310. 



Girgenti, limestone of, 194. 



Glacial formations of North America, 162. 



erosion, theory of, 173. 



epoch, 136-177. 



Glaciation of Eussia, 149. 



of Scotland, 151. 



of Scandinavia, 149. 



Glaciers, abrading action of, 138. 



Glasgow, marine strata near, 109. 



Glass-cavities in quartz, 705. 



Glauconie grossiere, 304. 



Glen Tilt, granite and argillaceous schist of 



710. 

 Globigerina bulloides, Atlantic mud, 320. 

 Globular structure of volcanic rocks, 616. 

 Glyphea (?) d ubia, Coal, 493. 

 Glypiostrobus Europcetis, (Eningen, 256. 

 Gneiss, foliated, 733-735. 



