⁂ ITALICS ARE WOODCUT ILLUSTRATIONS.
Abbeville, 475.
„ Peat-beds and Flint-tools of, 476.
Abietinæ, 193.
Acacia, 318.
_Acanthodes_, 126.
Acephala of the Oolite, 246.
Acephalous or headless Molluscs, 288.
Acerites cretaceæ, 283.
Acrodus nobilis, 217.
Acrogens, 123.
Adams, Mr., discoveries of, 391.
Adapis, 325.
Adelsberg Cave, 430.
_Adeona folifera_, 247.
Adhémar’s Glacial Hypothesis, 436.
Adiantites, 120.
Agassiz on Glaciers, 439.
Age of Angiosperms, 300.
„ Formations, how ascertained, 5.
Ailsa Craig, 49.
Air Volcano at Turbaco, 61, 63.
Albien of D’Orbigny, 300.
Albite, 96.
Aleutian Isles, 70.
Algæ, 103, 114, 123, 309, 336.
Alkaline Waters of Plombières, 64.
Alleghany Mountains, 75.
Alluvial Deposits, 485.
Almites Frescii, 203.
Alps, upheaval of, 427.
Alveolites, 333.
Amber, 310, 316, 355.
Amblypterus, 146.
Amiens, Peat-beds of, 475.
_Ammonite, a perfect_, 260.
„ _restoration of an_, 216.
Ammonites, 11, 12, 207, 212, 214, 246.
„ _rostratus_, 292, 294.
„ _Turneri_, 215.
„ of Jurassic Period, 215.
„ rotundus, 263.
„ Herveyii, 246.
„ Danicus, 311.
Amorphozoa, 301.
Ancient Glaciers of the Rhine, Linth, and the Reus, 449.
Ancient Granite, 31.
Ancyloceras, 288.
_Andrias Scheuchzeri_, 368.
Angiosperms, Age of, 300.
„ Seeds, in a Seed-vessel, 283, 300.
Animal of the Ohio, 343.
„ of Paraguay, 401.
Annelides, 126.
Anning, Mary, 219, 225.
Annularia, 137, 154.
„ _orifolia_, 158.
Anodon, 120, 334.
Anomopteris, 193.
Anoplotherium, 319, 323.
„ _commune_, 323.
Anorthite, 96.
Antediluvian Glaciers, 449.
„ Man, 367.
Anthracite, 72.
Antiquity of Man, 469.
Antwerp Crag, 373.
Ape, 360.
Ape, First Appearance of, 349.
_Apiocrinites liliiformis_, 261.
„ _rotundus_, 261.
_Aploceras_, 146.
Aptien (Greensand of Apt) Fossils of Havre, of the Isle of Wight, 297.
Apuan Alps, 76.
_Arborescent Ferns_, 130.
Arbroath Paving-stone, 129.
Archæopteryx, 265.
_Archegosaurus minor_, 154, 158.
Arctocyon primævus, 332.
Arenicolites, 101.
Argile de Dives, 264.
„ plastique, 332.
Armentaceæ, 297.
Arran, Granite of, 38.
Artesian Wells, 16, 88.
Artificially-formed Coal, 164.
_Asaphus caudatus_, 103.
Ashburnham Sands, 286.
Ashdown Sands, 286.
Ashes, Showers of Volcanic, 58.
Asiatic Deluge, 423; caused by upheaval of Caucasian Range, 480.
Asplenium, 315.
Asteracanthus, 266.
Asterias lombricalis, 213.
Asterophyllites, 120, 154, 158, 173, 177.
„ _foliosa_, 157.
Atherfield Series of Rocks, 287.
Atlantis of Plato, 118, 281.
_Atrypa reticularis_, 127.
Auchenaspis, 129.
Aucolin, 299.
Augite, 44.
Auvergne, Mountains of, 62.
„ Acidulated Springs in, 64.
„ Extinct Volcanoes of, 51.
Aveyron Savage, 469.
Avicula, 189, 205, 252, 272.
„ contorta, 207.
„ contorta zone, 207.
Azores, New Islands formed in the, 70.
Baculites, 289.
Bagshot Beds, 332.
Bajocien Formation, 249.
Bala Beds, 109.
Balæna of Monte Pulgnasco, 370.
Balænodon Lamanoni, 370.
Balistes, or Silurus, 218.
Baltic Sea filling up, 282, 490.
_Banksia_, 318.
Barmouth Sandstone, 101.
_Basalt in Prismatic Columns_, 47.
Basalt, 44.
„ Action of, upon Limestone, 72.
„ of Ireland, 48.
„ Prismatic Structure of, 49.
Basaltic Formations, 44.
„ Causeways, 48, 49.
„ _Plateau, theoretical view of_, 47.
„ Cavern of Staffa, 50.
Bat, 326, 338.
Bath Oolite, 243, 250.
Bathonian Formation, 249.
Batrachian Reptiles of Pliocene, 358.
Baumann’s Hohl, 429.
Bay of Fundy, 159.
Beaver, Disappearance of, 184.
„ of Post-Pliocene Period, 379.
Beds of Coal, Formation of, 159.
Bees, 255.
_Belemnite restored_, 216.
„ of Liassic Period, 217.
Belemnites, 212, 215, 260.
„ _acutus_, 217.
Bellerophon, 108.
„ _costatus_, 145.
„ _hiulcus_, 145.
_Beloptera Sepioidea_, 181, 434.
Bembridge Series, 330, 332.
Ben Nevis, 90, 182.
Bernese Alps, 427.
_Beryx Lewesiensis_, 294.
Biblical Account of Noachian Deluge, 480.
Bidiastopora cervicornis, 246.
Bigsby, Dr. J. T., on Silurian Fauna and Flora, 104.
Binney, Edw., on Boulder Clay of Lancashire, 462.
_Bird of Solenhofen_, 265.
„ of Montmartre, 326.
Birds, First Appearance of, 193.
„ of Eocene Period, 326.
„ of Miocene Period, 369.
Bison primigenius, 399.
„ priscus, 399.
Bituminous Fountains, 60.
Black Down Beds, 310.
Boccaccio’s Giant, 284.
Bogs of Denmark, 477.
Bone-beds of Rhætic, or Penarth Series, 207.
Bone-breccias, 429.
Bone Caves, 429.
„ „ H. W. Bristow on formation of, 475.
_Bos_, 379, 414.
„ Pallasii, 399.
„ Primigenius, 184.
Bracheux Sands, 332.
Brachiopoda, 109.
„ Abundance of, in Devonian Period, 126.
„ in Upper Cretaceous Period, 300.
„ Reign of, 126.
Brachyphyllum, 249.
Bracklesham Beds, 332.
Bradford Clay, 250.
„ Encrinites, 252.
_Branch of Banksia_, 318.
„ _Eucalyptus_, 317.
Bray Head, 101.
Breccia, Ossiferous, 432.
Brecciated Limestone, 174, 176.
Bridlington Beds, 460.
Bristow, H. W., on Formation of Bone Caves, 475.
„ on Brixham Bone-cave, 473.
„ on Penarth or Rhætic Beds, 207.
British Islands at close of Jurassic Period, 274.
_British Strata_, Section of, 244.
„ Table of, 493-499.
Brixham Bone-cave, 473.
Brongniart, Ad., on Upper Cretaceous Fauna, 301.
Bronze Age, 478.
Brumberg Cavern, 432.
Buckland, Dr., on Kirkdale Cave, 380.
Buffon and Voltaire, 6.
„ on Man, 470.
„ on Fossils, 6.
Bunter Sandstone, 187.
Burrh Stone, 355.
Butterflies, 255.
Caithness Flags, 128.
Calamary, 215, 259.
_Calamite restored_, 135.
Calamites, 134, 152, 177, 193, 202.
„ arenaceus, 194.
„ _cannæformis_, 154.
„ _Trunk of_, 136.
Calcaire de la Beauce, 355.
„ Grossier, 325, 332.
Calceola Sandalina, 127.
Calderas, 70.
_Calymene Blumenbachii_, 110.
Cambrian Period, 101.
„ Fauna, 101.
Camper, Pierre, on the Mosasaurus, 304.
„ „ „ Œningen Skeleton, 368.
Camptopteris crenata, 239.
Canstadt Excavations, 386, 396.
Cantal Group of Mountains, 43.
„ „ „ _a peak of_, 40.
Cape Wrath, Granite and Gneiss of, 32.
Capitosaurus, 190.
Caradoc Beds, 109.
Carboniferous Flora, 151.
„ „ compared with that of Islands in the Pacific, 151.
Carboniferous Limestone, 130, 140.
„ Period, 130.
„ Vegetation of, 130.
„ Climate of, 133.
„ Foraminifera of, 143, 146.
„ of France, 150.
„ Crustaceans of, 141.
„ Rocks, 149.
„ Seas, 146.
Cardiocarpon, 177.
Cardium Rhæticum, 207.
„ striatulum, 269.
Carpinites arenaceus, 283.
Carrara Marble, 65, 73, 76, 377.
_Caryophylla cyathus_, 356.
Causeways, Basaltic, 49.
Cave Bear, 395, 473.
„ Deposits, 468, 472.
„ Hyæna, 398.
„ Lion, 398.
Caverns, their Origin, 129.
Cellaria loriculata, 247.
Central Heat of the Earth, 15.
„ Increase of in Depth, 16.
Central France, Puys of, 51.
_Cephalaspis_, 125.
Cephalopoda, 108, 127, 215, 301.
Ceratites, 189.
_Ceratites nodosus_, 189.
Cerithium, 333, 334.
_Cerithium plicatum_, 350.
„ _telescopium_, 335.
Cervus megaceros, 184, 400.
Cestracion, 218.
Cetaceans of Pliocene Period, 369.
Cetiosaurus, 256, 265.
Chæropotamus, 325.
Chætetes, 146.
Chalk Formation, 275, 309.
„ _Foraminifera of_, 146.
Chalk Marl, 309.
„ White, 309.
„ _of Cattolica, Sicily_, 280.
„ _of Gravesend_, 278.
„ _of Isle of Moën_, 279.
„ _of Meudon_, 277.
Chara, 315.
Cheirotherium, 13, 21, 190.
Chemical Theory of the Earth, 15.
Chesil Bank, 270.
Chillesford Beds, 372.
Chimæra, 218.
Chloë, Isle of, 151.
Chondrites, 309.
Chorda-filum, 124.
Christiana Granite and Syenite, 38.
Cinder Bed of Purbeck, 272.
Cipoline Marble, 76.
Cirripedes, 260.
Clermont-Ferrand, 51.
Climate of the Coal Period, 151.
„ Permian Period, 174.
_Climatius_, 126.
Clinkstone, 43.
_Clymenia Sedgwickii_, 127.
Coal, 132.
„ Formation of, 159.
„ Origin of, 159.
„ Theories Respecting Formation of, 159.
„ _Stratification of Beds of_, 165.
„ Quantities annually raised in different Countries, 166.
„ Quantity of, in United Kingdom, 167.
Coal Measures, 130, 150.
„ Composition of, 164.
„ Extent of, 166.
„ Flora of, 150.
„ of Scotland, 167.
„ of South Wales, 167.
„ of Belgium, 167.
„ of France, 167.
„ Time of Formation, 132.
„ Composition of, 132.
_Coal Mines of Treuil_, 160.
_Coccosteus_, 125, 142.
Cœlacanthus, 175.
Composition of Air in Carboniferous Period, 133.
Comptonia, 283.
Confervæ of the Chalk, 309.
Conglomerates, 129.
Conifers of Jurassic Period, 249, 269.
„ of Cretaceous Period, 283.
„ of Eocene Period, 316.
„ of Miocene Period, 336.
„ of Pliocene Period, 358.
_Contortions of Coal Beds_, 167.
Conybeare’s Account of Plesiosaurus, 229.
Copper Slate, Fossils of, 177.
„ „ of Thuringia, 178.
Coprolites, Petrified Excrements of Antediluvian Animals, 12, 207, 373.
„ _of Ichthyosaurus, enclosing Bones_, 225.
„ _of Ichthyosaurus, showing Cast of Intestines_, 225.
„ Bed of Cambridge, 309.
Coral Rag, 243, 264, 301.
Coralline Crag, Corals of, 372.
Corals, 141, 205, 240, 247, 263, 266, 301.
Cornbrash, 243, 250, 252.
Cornstone, 129.
Cornwall, Granite of, 38.
Coryphodon, 332.
Cotham Marble, 208.
_Coupe, la, d’Ayzac_, 46, 47.
Crag, 372.
Creation of Man, 464.
„ „ Evidences of, 469.
„ World, Scriptural Account of, Defended, 18.
Credneria, 283, 297-300.
Crematopteris, 163.
Cretaceous Period, 275, 306.
„ Fauna of, 282, 285, 300.
„ Flora of, 282, 300.
„ Reptiles of, 285.
„ Fishes of, 285, 294.
Crinoidea, 127.
Crioceras, 288, 297.
„ _Duvallii_, 274.
Crocodile of Maestricht, 184, 303, 326.
Crocodilus Toliapicus, 326.
Croll, J., on Till, 457.
Crust of the Earth, Composition of, 96.
„ Thickness of, 87, 89.
„ Temperature of, 88.
Crustaceans, 107, 110, 141, 286.
„ Predominance of, in Lower Silurian Seas, 107.
„ Rarity of in Carboniferous Period, 141.
„ of Eocene Period, 326.
„ of Miocene Period, 350.
Cryptogamia, 187, 194, 203.
Crystalline Action, 71.
„ Limestone, 174, 176.
„ Rocks Defined, 28.
Cucumites, 315.
Cupanioides, 315.
_Cupressocrinus crassus_, 128.
Cuvier’s Account of Plesiosaurus, 233.
„ Account of Pterodactyle, 33.
„ on the Restoration of Extinct Animals, 7.
„ on the Destruction of Species, 381.
„ on the Mammoth, 396.
Cyathophyllum, 146.
Cycadeaceæ, 266.
Cycads, 239, 249, 270, 283.
_Cycas circinalis_, 168.
Cypress, 240, 249.
Cypris, 272.
„ fasciculata, 272.
„ _spinigera and C. Valdensis_, 298.
_Cyrtoceras depressum_, 176.
Damara, 194.
Danian Beds, 309, 311.
Danish Peat Mosses and Kjökken Mödden, 477.
Dartmoor, Granite of, 36, 37, 79.
Darwin, C., on Coral Formations, 263.
„ Volcanoes of Quito, 55.
Daubeny on Basalt, 44.
Davidsonia Verneuilli, 127.
Dawkins, W. B., Discoverer of Microlestes, 207.
De la Beche on the Plesiosaurus, 229.
De Rance, C. E., on Glacial Deposits, 458.
Deer, 399.
Deluge confirmed by traditions of all Ancient Races, 482.
Denudation, 28.
Descartes, 15.
Destruction of Successive Creations, 184.
Devon and Cornwall, Granite of, 38.
Devonian Period, 119.
„ System, 170.
„ Flora, 120.
„ _Fishes_, 125.
Diameter of the Earth, 87.
Diceras Limestone, 265.
Dicotyledons, 182, 282.
Diluvium, 422, 423.
Dinornis, 134, 382.
_Dinornis_, 414, 417.
Dinotherium, 339, 356.
„ _restored_, 340.
Diorite, 35.
_Diplacanthus_, 126.
Dirt-bed, Fossils of, 271.
Dodo, 184.
Dolomite, 178.
Domite, 43.
Donati on Fossil Shells, 6.
Downs, North and South, 278.
Downton Sandstone, 112.
_Draco volans_, 238.
Draconidæ, 237.
Dragon Fly, 243, 255.
Dragons of Mythology, 237, 361.
Drifted Rocks, 27.
Drôme, the, 299.
Dryopithecus, 350, 353.
Dykes, 27.
Early Geologists, 5.
Earth, Cooling of the, 80.
„ Theories of the Origin of the, 6.
„ _in a Gaseous State_, 81.
Earth’s Crust, Thickness of, 89.
„ Surface, Changes of, 3.
Earthy Limestone, 281.
Ebur Fossile, 386.
Echinoderms, 189, 213, 247, 261, 297, 300, 301, 326.
Edentates, 382, 400, 407.
Ehrenberg’s Microscopic Investigations, 277.
Electric Currents, Action of, 79.
Elephant of the Ohio, 343, 347.
Elephants, Fossil, 386.
Elephants’ Cemetery at Canstadt, 386.
Elephas meridionalis, 372.
„ primigenius, 347, 382, 383.
Emys, 265, 319.
Encrinites, 127, 173, 181, 196, 252.
„ Abundance of during Devonian Period, 120.
_Encrinus liliiformis_, 190, 261.
Entalophora cellarioides, 246.
Eocene Strata of France and England, 329.
Eocene, 314.
„ Period, 315.
„ Vegetation, 315.
„ Fauna, Seas, 319, 329.
„ Characters of, 330.
„ Table of Strata, 330.
Epilogue, 489.
Epiornis, 184, 382, 417.
Equiseta (Horse-tails), 134, 202, 203, 239, 315.
Erratic Blocks, 424.
„ _of the Alps_, 448.
_Eruption of Granite_, 92.
Eruptive Rocks, 4, 27, 30, 31.
„ Plutonic Eruptions, 31.
„ Volcanic „ 51.
_Eryon arctiformis_, 260.
Erymanthean Boar, 184.
Estimated Coal Measures of the World, 166.
Etheridge, R., on Devonian and Old Red Sandstone, 129.
Etna, Volcano of Mount, 56, 68.
_Eucalyptus_, 317.
Eunomia radiata, 247, 252.
Europe at Close of Cretaceous Period, 311.
„ „ Pliocene Period, 377.
European Deluge, 378, 422.
Eurypterus, 110.
„ _remipes_, 111.
_Exogyra conica_, 294, 311.
Expansion of the Earth at the Equator, 84.
Extinct Volcanoes of Auvergne, 51.
Eye of Ichthyosaurus, 220.
Falconer, Dr., on Brixham Cave, 473.
Faluns, 355.
„ of Paris Basin, 356.
Fans, of Brecon, 128.
Fault, a Dislocation of Strata, 71.
Fauna, Definition of Term, 4.
„ Devonian, 129.
„ Neocomian, 287.
„ of Permian Period, 183.
„ of the Middle Oolite, 255.
„ of the Upper Oolite, 265.
„ of Cretaceous Period, 285, 294.
„ of Eocene Period, 319.
„ of Pliocene Period, 358.
„ of Miocene Period, 339.
Faxoe Beds, 309.
Felis spelæa, 398.
Felspar, composition of, 96.
Fenestrella retiformis, 175.
Ferns, 130, 134, 140, 176, 193, 239, 248, 282, 315.
Fingal’s Cave, Staffa, 49, 50.
Fisher, Rev. O., on Chillesford Clay, 372.
„ on Warp and Trail, 461.
Fishes, Silurian, 107.
„ Bones of, 112.
„ of Devonian Period, 125.
„ of Carboniferous Period, 146.
„ of Oolitic Seas, 266.
„ of Cretaceous Seas, 285, 294.
„ of Eocene Period, 326.
„ of Miocene Period, 339.
_Fissurella nembosa_, 463.
_Fissures near Locarno_, 57.
Flabellaria, 315, 329, 336.
„ Chamæropifolia, 288.
Flint-tools in peat-beds, 475.
Flints, 281.
Flora of Upper Cretaceous Period, 309.
„ of Devonian Period, 120.
„ of Cretaceous Period, 282.
„ of Tertiary Period, 313.
„ of Eocene Period, 329.
„ of Triassic Period, 194.
„ of Miocene Period, 326, 353, 381.
„ of Carboniferous Period, 135.
„ of Permian Period, 174, 183.
„ of Pliocene Period, 381.
„ of Upper Oolite Period, 266.
Fluvio-marine Crag, 372.
Foliation, Cause of, 77.
Footprints in Rocks, 121, 173, 190, 196, 269.
„ at Corncockle Moor, 13.
Foraminifera, 146, 313, 326.
„ _of the Chalk_, 146, 276, 286.
„ _of the Mountain Limestone_, 146.
Forbes (Professor Ed.) on the Pliocene Marine Fauna, 374.
Forest-bed of Norfolk, 372, 418.
Forest Marble, 243, 250, 252.
_Formation of Primitive Granite_, 90.
Fossil, Term Defined, 4.
„ Bones, 4, 5.
„ Uses of, 5.
„ Condition of, 11.
„ Footprints, 13.
„ Species, relations of, to existing Species, 11.
„ Ivory of Siberia, 388.
„ _Palms restored_, 284.
„ Shells, 4.
„ Fishes, 175.
„ Leeches, 217.
„ Licorn, 398.
„ Unicorn, 386.
Fossils of Permian Formation, 173.
„ of Keuper Formation, 201.
„ of Upper Oolite, 265.
„ of Neocomian Beds, 297.
„ of Orgonian Beds, 297.
„ of Aptien Beds, 297.
„ of the Glauconie, 300.
„ of Calcaire Grossier, 332.
„ of Muschelkalk, 189.
„ of New Red Sandstone, 187.
„ of Argile Plastique, 332.
Fournet on the Drôme, 299.
„ on Eruptions of Granite, &c., 36.
„ on Eruptions of Gas and Water, 64.
Fox of Œningen, 338.
_Fucoids_, 123.
Fuller’s Earth, 243, 250.
_Fusulina cylindrica_, 143.
Future of the Earth and Man considered, 489.
Gabian, Bituminous Springs of, 60.
Gailenreuth, Caves of, 429, 430.
Galacynus Œningensis, 339.
Ganoid Fishes, 181, 217, 246.
Garonne Valley, 428.
Gastornis, 332.
Gault, 281, 300, 309.
Gavials of India, 259, 291.
Geikie, Prof., on Till, 457.
Gemerelli on Fossils, 6.
_Geological humus_, 271.
„ Inferences, Hypothetical Nature of, 3.
Geological Record, Complexity of, 30.
Geology, Objects of, 2, 3.
„ a Recent Science, 3.
„ its Influence on other Sciences, 3.
„ How to be Studied, 3.
Geosaurus, 256.
Geoteuthis, 259.
Gerilea protea, 318.
_Geysers of Iceland_, 16, 67.
Giants’ Causeways, 49.
„ „ _in the Ardèche_, 48.
„ Legends of, accounted for, 5.
Gigantology, 384.
Glacial Action during Permian Period, 174.
„ Deposits of Northern England and Wales, 457.
„ Period, 372, 378, 435.
„ Evidences of, 463.
„ Regions of Europe, 451.
„ Theory of Martins, 462.
Glacier System of Wales, 106.
„ Systems, 440.
Glaciers of Scotland, 454.
„ of Switzerland, 449.
„ of the British Isles, 457.
Glauconie, or Glauconite, 300.
Glaucous Chalk, 300, 310.
Glenroy, Parallel Roads of, 456.
Globe, Modification of Surface of, 26.
Glyptodon, the, 401.
Glyptolepis, 120.
Gneiss of Cape Wrath, 32.
„ Laurentian, 74.
„ Composition of, 96.
Goniatites, 127.
_Goniatites evolutus_, 145.
Goulet, Great and Little, 299.
Granite, 182.
„ Mineral Composition of, 32, 96.
„ How Formed, 33.
„ of St. Austell, 39.
„ of Christiana, 36.
„ of Dartmoor, 79.
„ of Cornwall and Devon, 36, 38.
„ Eruptions of, 90, 92, 98.
„ Stratified or Foliated, 97.
„ Qualities of, 32.
„ How Formed, 33.
„ _Veins of, at Cape Wrath_, 32.
_Granitic Eruptions_, 92.
Gran Seco, 410.
Graptolites, 107.
_Gravesend Chalk, under Microscope_, 278.
Great Animal of Maestricht, 304.
Great Oolite, 243, 250.
„ Reptiles of, 250.
Great Year, the, 436.
Green, A. H., on Glacial Deposits, 458.
Greensand, Upper and Lower, 275, 281, 297, 309.
Greenstone, 35.
Grès Bigarré, 37, 185.
Grès de Beauchamp, 333.
Grès des Vosges, 178.
Grotta del Cane, 64.
_Grotto des Demoiselles_, 433.
Grotto of Cheeses, Trèves, 50.
Gryphæa dilatata, 264.
„ virgula, 269.
„ _incurva_, 212.
Gulf Stream, 435.
Gymnogens, Plants with Naked Ovary, 152.
Gymnosperms, 193, 283, 300.
Gypseous Formation, 333.
Gypsum Quarries of Montmartre, Fossils in, 73, 325.
Gyroceras, 108.
Haidingera speciosa, 194.
Hakea, 318.
Hallstadt Beds, 205.
_Halysites catenularius_, 113.
_Hamites_, 288, 297.
Hannibal’s Elephants, 387.
Harkness, Prof., on Glacial Deposits, 458.
Harlech Sandstones, 101.
Hastings Sands, 287.
Hawaii, Volcanoes of, 59, 69.
_Head of Cave-bear_, 398.
„ _of Cave-hyæna_, 399.
„ _of Mosasaurus Camperi_, 306.
„ _of Rhinoceros tichorhinus_, 360.
Headon Beds, 330, 332.
_Hemicosmites pyriformis_, 108.
Hennessey, on the Earth’s Crust, 89.
Hepaticas, 315.
_Herbaceous ferns_, 131.
Herbivora, Eocene, 325.
Heterocercal, 175.
Hippopotamus, 360, 379.
Hippurites, 301, 310.
Holl, Dr., on Malvern Rocks, 78.
Holoptychius, 154.
Homo diluvii testis, 367.
Homocercal, 175.
Hopkins, Evan, on Earth’s Antiquity, 20.
„ „ on Terrestrial Magnetism, 22.
„ W., Theory of Central Heat, 17.
„ „ on the Earth’s Crust, 88.
Horse, 379, 399, 417.
Horse-tails, 134, 202.
Hot Springs, 64.
Hughes, T. McK., Discovery of Glutton by, 431.
Hull, Prof., on Trias, 185.
„ on Glacial Deposits, 458.
Human Jaw, 472.
„ Period, 474.
Hunt, Rob., Electric Experiments of, 79.
„ Prof. Sterry, on Formation of Crystalline Schists, 96.
Hutton’s Theory of the Earth, 3.
Hyæna Spelæa, 398, 417.
„ _head of_, 399, 417.
Hyænodon, 396.
Hybodus, 217.
Hyera, Island of, 70.
Hylæosaurus, Lizard of the Woods, 205, 207, 225, 290.
Hymenoptera, 225.
Iceland, Geysers of, 16, 65, 67.
„ Lava Streams in, 60.
„ Volcanoes of, 60, 67.
Ichthyodorulites, 217.
Ichthyosaurus, 218, 229, 255, 256.
Ichthyosaurus, Coprolites of, 12.
_Ichthyosaurus communis_, 218.
„ _platydon_, 219, 222.
Igneous Rocks, 31, 182.
Iguana, 293.
Iguanodon, 292.
„ Mantelli, 285.
„ _Teeth of_, 293.
_Illænus Barriensis_, 112.
Incandescence of the Globe, 17.
„ of the Sun, 17.
Indian Traditions of the Father of the Ox, 347.
Inferior Oolite, 249.
Infra-Lias, 209.
_Injected Veins of Granite_, 32.
Insects, 157, 225, 334.
„ of Coal-measures, 151.
„ of Oolites, 255, 266.
Iron Age, 478.
„ Ore in Coal-measures, 165.
„ „ in Orgonian Beds, 298.
_Ischadites Kœnigii_, 118.
Islands, Sudden Appearance of, 70.
Isle of Bones, 388.
„ Lächow, 388.
„ Portland, 270.
„ Purbeck, 271.
„ Wight Alligator, 326.
Jamieson, T. F., on Glenroy, 454.
Jarrow Colliery, 139.
Java, Volcanic Mountains of, 67, 69.
„ Valley of Poison, 64.
_Jaw and Tooth of Megalosaurus_, 291.
„ _of Phascolotherium_, 245.
„ _of Thylacotherium_, 245.
Jet, 274.
Juglandites elegans, 283.
Jukes, J. B., on Devonian and Old Red Sandstone, 129.
Jura Mountains, 243, 273.
Jurassic Limestone, 243.
„ Distribution of, 272.
„ Reptiles of, 220.
„ Plants of the, 238.
„ Series, Distinguishing Features of, 215.
Kangaroo, 245.
Kea, Mauna, 61, 69.
Kellaways Rock, 264.
Kent’s Hole, 380, 472.
Kentish Rag, 287.
Keuper, 199, 293.
„ Rock Salt in, 199, 204.
Kilauea, Volcano of, 56.
„ Eruption of, 69.
„ Crater of, 56, 59.
Kimeridge Clay, 19, 243, 266, 269.
King, Prof., on Permian System, 174.
Kirkdale Cave, 380, 398, 429.
Kjökken-Mödden, 477.
Koessen Beds, 208.
Kupfer Schiefer, 170.
Labradorite, 44.
Labyrinthodon, 190.
„ _pachygnathus_, 12.
_Labyrinthodon restored_, 193.
La Coupe d’Ayzac, Crater of, 45.
Lacunosus laciniatus, 184.
Lacustrine Habitations, 472.
Ladies’ Fingers, 216.
Lake Dwellings, 472.
Lamellibranchs, 266.
Landscape Stone, 208.
Land-turtles, 190.
Laplace’s Theory of the Earth, 17, 80.
Lasmocyathus, 146.
Laurentian Formation in Britain, 10, 79.
„ Gneiss, 74.
Lava Formations, 39, 51, 59.
„ Streams of, 59.
Lecoq, on Triassic Vegetation, 194.
„ Keuper Flora, 202.
„ Cretaceous Flora, 282.
„ Tertiary Flora, 316.
„ Flora of Miocene Period, 336.
„ the Vegetation of Pliocene Period, 357.
Leibnitz’ Fossil Unicorn, 386.
Lepidodendra, 134, 138, 157, 173.
Lepidodendron carinatum, 134, 138.
„ _elegans_, 140.
„ _Sternbergii_, 139, 141.
„ _Sternbergii restored_, 142.
Lepidoptera, 255.
_Lepidostrobus variabilis_, 140.
Lepidotus, 266, 272.
„ gigas, 217.
Leptæna Murchisoni, 127.
_Le Puy, Chain of_, 51.
Lias, The, 211;
„ Lower, Upper, and Middle, 212.
Liassic Period, 211, 217.
„ Fauna, 213.
„ Flora, 239.
Libellula, 243.
Licorn Fossil, 386.
Life, First Appearance of, 99.
„ Abundance of, in Upper Silurian Times, 104.
Lignite, 337, 354.
Lima gigantea, 212.
„ striata, 189.
„ proboseilea, 246.
Limestone, 212.
„ of La Beauce, 355.
„ of Solenhofen, 243, 273.
„ Metamorphism of, 73, 75.
Limnæa, 272, 334.
Lingula, 107.
„ Credneri, 175.
„ Flags, 101, 107.
Lions with Curly Manes, 184.
Lipari Isles, 55, 68.
Lithographic Limestone of Solenhofen, 343.
_Lithostrotion_, 181.
„ _basaltiforme_, 145.
_Lituites cornu-arietis_, 108.
Lizard of the Meuse, 305.
Llanberis Slates, 101.
Llandeilo Flags, 109.
Llandovery Rocks, 107.
Loa, Mauna, 55.
_Locarno, Fissures of_, 57, 58.
Logan, Sir W., on Laurentian Gneiss of Canada, 10, 74.
Logan, Sir W., on Underclay of Coal Measures, 161.
Lomatophloyos crassicaule, 134, 138.
_Lonchopteris Bricii_, 134, 144.
London Clay, Flora of, 331.
Longmynd Hills, 101.
_Lonsdalea floriformis_, 145.
Lophiodon, 325, 333.
Lower Cretaceous Period, 286, 297.
„ Keuper Sandstone, 186, 204.
„ Neocomian, 297.
„ Lias, 212.
„ Silurian Rocks, 104.
„ Oolite Fauna, 244.
„ Oolite Rocks, 249.
„ Greensand, 281, 287.
Lucerne, The Giant of, 385.
Ludlow Bone-beds, 112.
„ Rocks, 111.
_Lupea pelagica_, 354.
Lycopodiaceæ, 134, 151.
Lycopods, 123, 134.
Lyell, Sir Charles, on Formation of Granite, 33, 36.
Lyell, Sir Charles, on the Upper Cretaceous Flora, 300.
Lyme Regis, 219, 225.
Machairodus, 379.
„ _Tooth of_, 380.
Macrorhynchus, 265, 272.
Madrepores, 266.
Maestricht Quarries, 285.
„ Animal of, 302.
„ Beds, 303, 304, 309.
Magnesian Limestone, 170, 178.
Magnetism, Terrestrial, Evan Hopkins on, 22.
Malvern Hills, Dr. Holl on, 78.
Mammals, First Appearance of, 207, 244.
„ of Pliocene Period, 358.
Mammaliferous Crag, 372.
Mammiferous Didelphæ, 245.
Mammoth, 347.
„ of Ohio, 347.
„ of the Unstrut, 386.
„ Origin of Name, 388.
„ Siberian Accounts of, 387-395.
„ _restored_, 395.
„ _Skeleton of the_, 383, 394.
„ Teeth and Tusks of, 342.
„ Tooth of the, 384.
Man and Animals Compared, 465.
„ First Appearance of, 382.
„ Antiquity of, considered, 478.
„ Age of St. Acheul Beds, 479.
„ Morlot’s Calculation, 479.
Mantell’s, Dr., Discoveries, 290.
Marble, 74.
„ Carrara, 73, 76.
„ Cipoline, 76.
„ of France, 76.
Marbre de Flandres and M. de petit Granit, 150.
Mare’s-tail, 134.
Marl, 199.
Marl-slate, 160.
Marlstone of the Lias, 212.
Marsupial Mammals, 207, 245, 250, 263.
Martins, C., on Glaciers, 462.
Mastodon, 341, 356, 360.
„ its Discovery, 342.
„ Opinions of Naturalists, 343.
„ Difference from Mammoth, 341.
„ Molar Tooth of, 346.
„ Arvernensis, 372.
„ angustidens, 347.
„ _restored_, 345.
„ _Skeleton of_, 344.
„ _Skeleton of the Turin_, 359.
„ _Teeth of_, 341, 342.
Mauna Loa and Mauna Kea, 56, 69.
Mazuyer’s Pretended Discovery, 348.
_Meandrina Dædalæa_, 251.
Mechanical Theory of the Earth, 15.
Megaceros Hibernicus, 184, 400.
Megalonyx, 371, 382, 400, 411.
Megalosaurus, 291.
„ _Jaw of_, 291.
„ _Tooth of_, 291, 380.
Megalichthys, 154.
Megatherium, 382, 401, 418.
„ _Pelvis of_, 407.
„ _Restored_, 409.
„ _Skeleton of_, 403.
„ „ _foreshortened_, 406.
Megatheroid Animals, Habits of, 413.
Mendip Hills, Denudation of, 28.
Mesopithecus, 339, 350.
„ _restored_, 349.
„ _Skeleton of_, 349.
_Metallic veins_, 91.
Metamorphic Rocks, 4, 71.
Metamorphism, Special and General, 65, 71, 74.
„ Action of, on Limestone, 71, 72, 75.
„ of Combustible Materials, 14, 72.
„ of Argillaceous Beds, 73.
„ Cause of, 78.
_Meudon Chalk under Microscope_, 277.
Mexican Deluge, 485.
Mezen, Le, Peak of, 44.
Mica, Composition of, 96.
Mica-schist, 77, 377.
Microdon, 266.
Microlestes, 207.
„ Discovery of teeth of by Mr. C. Moore, 208.
Middle Lias, 212.
„ Oolite, 255.
Miliola, 329.
Millepora alcicornis, 240.
Miller, Hugh, How he became a Geologist, 10.
„ First Lesson in Geology, 124.
Milliolites, 333.
Mimosa, 318.
Mineral Masses composing the Earth’s Crust, 27.
Mines, Greatest Depths of, 88.
Miocene, Meaning of, 314.
Miocene Period, 336.
„ Vegetation, 336, 339, 353, 381.
„ Fauna, 339, 350.
„ Volcanoes of, 51.
„ Foraminifera, 356.
„ Rocks of Greece, 339.
Moel Tryfaen, 459.
_Molar Teeth of Mastodon_, 346.
Molasse, or Soft Clay, 338, 355.
Mollusca, 245.
„ of Pliocene, 371.
„ of Eocene, 319.
„ of Miocene, 350.
„ of Crag, 373.
„ Gasteropodous, 266.
_Monitor Niloticus_, 305.
Monocotyledons, 151, 266.
Montmartre, Gypseous Series of, 333.
„ Cuvier on Fossils of, 7.
Mont Dore, 40, 43.
Moraines, 444.
Moro, Lazzaro, 6.
Mortillet on Glaciers, 449.
Mosaic Account of Creation, 24.
Mosasaurus, 285, 302, 305.
„ _Camperi_, 306.
Mosses, 336.
Moulin-Quignon, Chalk Beds of, 476.
_Mount Ararat_, 480.
„ Hecla, 67.
„ Idienne, 64.
„ Sion, 449.
Mountain Limestone, 149.
Mountains, First Appearance of, 90.
„ Chains, Formation of, 28.
Mud Volcanoes, 59.
„ of Italy, 60, 63.
Murchison, Sir R. I., Founder of Silurian System, 10, 102.
_Murex Turonensis_, 350.
Muschelkalk, 185, 188.
Mussels, 189.
Mylodon, 382, 400, 410, 413, 418.
„ _Lower Jaw of_, 412.
„ _restored_, 411.
Mytilus, 189.
Nabenstein, Cavern of, 432.
Naïdaceæ, 266.
Nantwich Salt-works, 204.
Nasal Horn of Iguanodon, 292.
Natica, 189.
Nautilus, 215.
Nebular Theory of the Earth, 15.
Nenuphar, 316.
Neocomian Beds, 287, 297.
„ „ of France, 286, 287.
„ Formation, 286.
„ Fauna of, 287.
Neptunian Rocks, 30.
„ Theory, 6.
Nereites Cambriensis, 108.
Neuroptera, 250.
Neuropteris elegans, 194.
„ _gigantea_, 143, 176.
New Red Marl, 186.
„ Period, 185.
„ Sandstone, 185, 187.
„ Plants of, 193.
„ Colour of, 201.
„ Fauna of, 201.
New Zealand, Birds of, 184.
Newer Pliocene, 372.
„ „ of Alps, 377.
„ „ of Sicily, 374.
Nicol, Prof., on Ben Nevis, 90.
Nilssonia, 194, 239.
Nöggerathia, 177.
Norfolk Forest Bed, 372.
Northern Deluge, 424.
Norwich Crag, 372, 478.
Nothosaurus, 190, 196.
Nummulites, 313, 326, 333.
Nummulitic Formation, 334.
„ Limestone, 326.
Nympheaceæ, 315.
Odontaspis, 294.
_Odontopteris Brardii_, 144.
„ Cycades, 212.
Œchmodus Buchii, 217.
Œningen Formation, 338.
„ Limestone, 367.
_Ogygia Guettardi_, 107.
Old Red Sandstone, 119.
„ „ Colour of, 120.
„ „ Period, Vegetation of, 120.
„ „ Fishes of, 124.
„ „ Rocks of, 128.
„ „ Conglomerate of, 129.
Older Pliocene, 372.
Oldhamia, 101.
Oldhaven Beds, 331.
Olivine, 44.
Oolite, 243, 272.
„ of Solenhofen, 273.
„ Upper, 243.
„ Lower, 243, 244.
„ Middle, 243.
„ Great, 243.
„ Conifers of, 249.
„ Rocks, 249.
Oolitic Fauna, 244.
„ Mollusca, 246.
„ Echinoderms, 247.
„ Insects, 255, 266.
„ Period, 243.
„ Flora of, 248, 249, 255, 266.
„ Mammals of, 255.
„ Reptiles of, 256.
„ Corals of, 247.
„ Zoophytes of, 247.
Ophiopsis, 246.
Opossum, 245.
Orgon Limestone, 297, 298, 299.
Ornithorhynchus, 223, 245.
Orthoceras, 141.
„ Disappearance of, 205.
„ _laterale_, 145.
Orthoceratites, 104.
Orthoclase, 33, 96, 418.
Orthopithecus, 418.
_Osmeroides Mantelli_, 294.
Ossiferous Beds of Sansan, 350.
„ Breccia, 2, 432.
Ostrea deltoidea, 269.
„ distorta, 272.
„ liassica, 207, 212.
„ _longirostris_, 350.
„ Marshii, 246.
„ virgula, 269.
_Otopteris acuminata_, 248.
„ _dubia_, 248.
„ _obtusa_, 248.
„ _cuneata_, 248.
Ovid a geologist, 6.
Owen, Prof., on Megatheroid Animals, 413.
„ on Plesiosaurus, 228.
Ox, 382, 399.
Oxford Clay, 243, 264.
Oysters, 175, 213.
Pachyderms, 312, 319, 418.
Pachypteris microphylla, 255.
Palæocoma Furstembergii, 213.
Palæoniscus, 175.
Palæontology, the Study of Ancient Life, 5.
Palæontology Defined, 14.
_Palæophognos Gesneri_, 421.
Palæotherium, 319.
„ _magnum and P. minimum, Skeletons of_, 322.
„ _Skull of_, 321.
Palæoxyris Münsteri, 202.
Palæozoic Fishes, 173.
Palissy, Bernard, on Fossils, 5.
Pallas on the Siberian Rhinoceros, 361.
„ on the Siberian Mammoth, 386.
Palmacites, 315.
Palms, 282.
„ absence of, in Pliocene Period, 358.
„ of Tertiary Epoch, 336.
„ of Cretaceous Period, 283, 297.
„ _Fossil, restored_, 284.
Paludina, 272.
Pampean Formation, 411.
Pandanaceæ, The, 249.
Pandanus, 255.
Pappenheim, Lithographic Stone of, 273.
_Paradoxides Bohemicus_, 100.
_Parallel Roads of Glenroy_, 456.
Parian Marble, 76.
Paris Basin, Sir C. Lyell on, 329.
Parkfield Colliery, 159.
_Patella vulgata_, 205.
_Peaks of the Cantal Chain_, 40.
Pear Encrinite, 250.
Peat-deposits and Shell-mounds, 472.
Pecopteris, 120, 202, 252, 315.
„ _lonchitica_, 143.
Pecten, 201, 272.
„ _Jacobæus_, 371.
„ _orbicularis_, 202.
„ Valoniensis, 207.
Penarth Beds, 186, 205, 207.
Pennine Chain, 115.
_Pentacrinites Briareus_, 183, 214.
Perched Blocks, 449.
Permian Flora, 174.
„ Rocks, 177, 186.
„ Ocean, 180.
„ Period, 15, 170.
„ Fauna and Flora of, 183.
_Perna Mulleti_, 288.
Phascolotherium, 245, 255.
Philadelphia Museum, 346.
Phillips, Prof. J., on Rate of Formation of Coal, 132.
Phillips, Prof. J., on Thickness of Carboniferous Limestone, 130.
Phonolite, 43.
_Physa fontinalis_, 266.
Phytosaurus, 190.
Pic de Sancy, 41, 43.
Pimpinellites zizioides, 337.
Pinites, 239.
Pisolitic Limestone, 311.
Pithecus antiquus, 339, 350, 356.
Placodus gigas, 189.
Planorbis, 266, 272, 334.
„ _corneus_, 488.
Plants, First Appearance of, 99.
„ _of Devonian Period_, 123.
„ _of the Palæozoic Epoch_, 114.
Plastic Clay, 330.
Platemys, 255.
Platycrinus, 146.
Platysomus, 174.
Pleistocene Period, 378.
Plesiosaurus, 221, 226, 255.
„ Cramptoni, 230.
„ _Sternum of_, 228.
„ _Skull of_, 226.
„ _Skeleton of_, 229.
Pleuronectes, 326.
_Pleurotoma Babylonia_, 246.
Pleurotomaria conoidea, 246.
Pliocene, Meaning of, 314.
„ Period, 357.
„ Birds of, 369.
„ Series, 372.
„ Vegetation of, 357.
„ Fauna of, 359, 369.
„ Reptiles of, 367.
„ Mollusca of, 371.
Plombières, Alkaline Waters of, 64.
Plutonic Rocks, 31.
„ Theory, 6.
„ Eruptions, 31.
„ Ancient Granite, 31.
_Podophthalmus vigil_, 353.
Pœcilopleuron, 265.
Poikilitic Series, 199.
Polyphemus, Supposed Bones of, 384.
Polypodium, 315.
Polyps of Carboniferous Period, 141, 246, 255, 286, 301.
Polyzoa, 141, 143, 175, 307.
Pontgibaud Mines, 64.
Porphyritic Granite, 33.
Porphyry, 33, 37.
„ Definition of, 37.
„ Components of, 37.
Portland Isle, 270.
„ Dirt Bed, 271.
„ Sand, 243, 266.
„ Stone, 243, 269.
Posidonia, 189.
Post-pliocene Period, 378.
„ Animals of the, 382.
„ Birds of the, 417.
„ Carnivora of, 417.
„ Deposits in Britain, 417.
Post-Tertiary Epoch, 378.
Potamogeton, 315.
Pravolta, 447.
Pre-glacial deposits, 418.
Preissleria antiqua, 202.
Prestwich, J., on Glacial Deposits, 459.
PRIMARY EPOCH, 99.
„ „ Retrospective Glance at, 180.
„ „ Vegetation of, 182.
Proboscideans of Crag, 372.
Producta, 173, 175.
„ _horrida_, 149.
_Producta Martini_, 145, 205.
„ subaculeata, 127.
Protogine, 35.
Protopteris, 283.
Psammodus, 141.
Psaronius, 174.
_Psilophyton_, 123.
Pteraspis, 129.
_Pterichthys_, 125.
Pteroceras, 269.
Pterodactyles, 221, 233, 240, 243, 245.
„ _brevirostris_, 235.
„ _crassirostris_, 234, 256.
Pterophyllum, 239, 249, 255.
„ Jägeri, 202.
„ Münsteri, 202.
Pterygotus, 110.
„ _bilobatus_, 113.
Ptylopora, 146.
Purbeck Beds, 269, 271, 279.
„ Marble, 272.
„ Isle of, 271.
Puy-de-Dôme, 40, 43.
_Puy-de-Dôme, Extinct Volcanoes of_, 53.
Puys, Chain of, in Central France, 51.
Pycnodus, 190.
Pygopterus, 174.
Quadersandstein, 211.
QUATERNARY EPOCH, 378.
„ „ Animals of, 382.
Quartz, 96.
Quartziferous Porphyry, 33.
Quartzite, 77.
Rain, First Fall of, 95.
_Raindrops, Impressions of, in Rocks_, 14, 102, 173.
Raised Beaches, 488.
_Ramphorynchus_, 255, 259, 269.
Ramsay, A. C., on the Lower Oolite, 252.
„ „ on Formation of Keuper Marls, 201.
„ „ on Colour of Red Rocks, 101.
„ „ on Denudation, 28.
„ „ on Formation of Granite, 33.
„ „ on Glacial Deposits, 458.
Reading Beds, 330.
Recent or Historical Period, 378.
Re-construction of Fossil Animals from a Part, 7.
„ Difficulties Attendant on, 8.
Red Crag, 372.
Reindeer, 379.
_Relative Volume of the Earth_, 83.
_Remains of Plesiosaurus macrocephalus_, 229.
Reptiles, Prevalence of during Secondary Epoch, 201, 220.
„ „ during Cretaceous Period, 285.
„ „ during the Pliocene Period, 358, 366.
Rhætic Strata, 180, 205, 267.
Rhinoceros, 360.
„ Discovery of, Entire, in Siberia, 361, 379.
„ _Head of_, 360.
„ tichorhinus, 360, 428.
Rhombus minimus, 326.
_Rhyncholites_, 181.
Rio Chapura, Humidity of, 337.
Ripple-marks, 15.
„ on Sandstone, 173, 204, 252.
River, Great, of Cretaceous Period, 279.
Roc, 361.
Roches moutonnées, 443, 447.
Rock, in Geology, 28.
Rocks composing the Earth’s Crust, 27.
„ formed during the Carboniferous Limestone Period, 149.
„ Crystalline, 28.
Rock Salt, its Origin, 199.
„ Quantity produced in England, 304.
Rocking Stones, 35.
Rosso Antico, 37.
Rostellaria, 189.
Rothliegende, 170, 174.
Rudistes, 301.
Runn of Cutch, 200.
Sables Inférieurs, 331.
„ Moyens, 333.
Saccharoid Limestone, Minerals of, 76.
St. Acheul Gravel Beds, 476.
St. Acheul Gravel Beds, probable Age of, 479.
St. Austell, Granite of, 39.
St. Cassian Beds, 205.
St. Christopher’s Tooth, 385.
Salamander of Œningen, 367.
Salicites, 283.
Saliferous or Keuper Period, 186, 199.
„ „ Fauna of, 201.
Saline Springs, 23.
Salses, 60.
Salt Mines, 199, 204.
Sandwich Islands, Volcanoes of, 56, 69.
Sargassites, 309.
Sargassum, 309.
Saurians, 187.
„ of Cretaceous Period, 285.
„ of Lias, 229.
Savoy Alps, 440.
Scandinavian Continent, Upheaval and Depression of, 282.
Scaphites, 288.
Scelidotherium, 406, 412.
„ _Skull of_, 413.
_Scheuchzer’s Salamander_, 367.
Schist, 77, 97.
Schistopleuron typus, 401.
„ „ _restored_, 402.
Schizaster, 326.
Scoriæ, Volcanic, 57.
Sea-Pen, Virgularia Patagonia, 263.
Sea Urchins, 205, 286.
SECONDARY EPOCH, 185.
_Section of a Volcano in Action_, 52.
Sectional Appearance of the Earth, 2.
Sedgwick, Prof. A., on Cambrian Rocks, 10.
„ on Granite of Devon and Cornwall, 39.
„ on Classification of Rocks, 102.
Sedimentary Rocks, 28.
Senonian Beds, 309, 310.
Septaria, 331.
Serpentine, 38.
Serpents of Tertiary Epoch, 379.
Serpulæ, 126, 272.
Shell Mounds, 478.
Shells, Marine, on Tops of Mountains, 5.
Sheppey, Isle of, 331.
„ „ Turtles of, 331.
Siberia, Fossil Elephants in, 387.
Sigillaria, 130, 136, 152, 157.
„ _lavigata_, 138.
„ _reniformis_, 157.
Silex meulier, 356.
Siliceous Limestone, 333.
Silurian Period, 102.
„ Divisions of, 109, 110.
„ Characteristics of, 103.
„ Fauna and Flora of, 104.
„ Fishes of, 107.
„ Mollusca of, 108.
„ _Plants_ of, 103.
„ System, 102.
Sivatherium, 365.
„ _restored_, 366.
Skaptár Jokul, 60.
_Skeleton of Ichthyosaurus_, 218.
„ _of Plesiosaurus_, 227.
_Skull of Plesiosaurus_, 226.
„ _Palæotherium magnum_, 321.
„ _Scelidotherium_, 413.
Skye, Basalt of Isle of, 49.
Smith, Dr. W., Labours of, 9.
Smilax, 202.
Solenhofen, Limestone of, 273.
Solfataras, 63.
Somma, Mount, 68.
Somme, River, Valley of, 475.
„ Peat-Beds of the, 475.
South America, Depression and Upheaval of, 21.
Spalacotherium, 265.
Sphenophyllum, 154, 269.
„ _restored_, 153.
Sphenophyllites, 136.
Sphenopteris, 136.
„ _artemisiæfolia_, 144.
Spirifera, 173, 175.
„ concentrica, 127.
„ undulata, 175.
Sphœrodus, 190.
_Staffa, Grotto of_, 50.
Stag, gigantic Forest, 379.
Stalactite, 430.
Stalagmite, 430.
Stellispongia variabilis, 205.
Stenosaurus, 265.
_Sternum and Pelvis of Plesiosaurus_, 228.
Stigmaria, 130, 137, 157, 162.
_Stigmaria_, 138.
Stone Age, The, 478.
Stone Lilies, 127.
Stonesfield Slate, 243, 245, 250, 252.
Strata, Disposition of, 2.
Stratification, Order of, 29.
„ _of Coal Beds_, 165.
Strephodus, 266.
Streptospondylus, 265.
Stringocephalus Burtini, 127.
Stromboli, Volcanic Island of, 55, 68.
_Strophalosia Morrisiana_, 176.
Struthionidæ, 193.
Submarine Volcanoes, 70.
Sub-Apennine Strata, 373.
Suffolk Crag, 372.
Sulphurous Streams from Mount Idienne, 64.
Sun-cracks, 102, 173.
Syenite, 34.
Tæniopteris, 315.
Taxoceras, 289.
Taxodites, 239.
„ Münsterianus, 202.
Teeth of Mammoth, 384.
_Teeth of Iguanodon_, 293.
„ _Mastodon_, 346.
„ _Megalosaurus_, 291, 380.
„ _Machairodus_, 380.
Teleosaurus, 245, 256, 259.
„ cadomensis, 259.
Temperature of the Earth, Increase of as we descend, 2, 16, 87.
„ „ at Various Depths, 16.
„ „ of Deep Mines, 16, 88.
„ „ at the Centre, 16.
„ of Planetary Regions, 86.
„ uniform, in Carboniferous Period, 133.
„ Gradual Alteration of, during Tertiary Period, 313.
„ of Cretaceous Period, 283.
_Terebellaria ramosissima_, 184.
_Terebratula digona_, 246.
„ decussata, 252.
„ hastata, 141.
„ _deformis_, 290.
„ _subsella_, 266.
_Terebrirostra lyra_, 290.
Terrestrial Plants of Devonian Period, 120.
Tertiary Period, 312.
„ Vegetation of, 313.
„ Animals of, 312.
Tetragonolepis, 217.
Teutobocchus Rex, 348.
Thallogens, 123.
Thanet Beds, 330.
_Theoretical View of a Plateau_, 47.
Theories of the Earth, 15.
Theory, Hutton’s, 3.
„ Laplace’s, 17.
Thermal Springs, 23.
Thickness of the Earth’s Crust, 89.
Thomson, Sir William, on the Earth’s Crust, 89.
_Thylacotherium_, 245.
Tidal Wave, 22.
Tile Stones, 110.
Till Formation, 457.
Tortoises, 401.
Toxoceras, 289.
Toxodon, 412.
Trachyte, 39.
Trachytic Formations, 39.
Trail, 461.
Transition, or Primary Epoch, 99.
_Transported Blocks_, 449.
„ Rocks, 27.
Trapa natans, 315.
_Trappean Grotto, Staffa_, 47.
Travertin, 333.
Tree Ferns, 174, 240.
Tremadoc Slates, 109.
_Treuil, Coal Mine at_, 160.
Triassic Period, 185.
„ Flora, 187, 193, 202.
Trigonia, 12, 205.
„ _margaritacea_, 314.
_Trigonocarpum Nöggerathii_, 177.
Trilobites, 104, 107, 110, 126, 141, 181.
Trimmer, Joshua, on Moel Tryfaen, 459.
_Trinucleus Lloydii_, 129.
_Trionyx of Tertiary Period_, 326.
Trionyx, a Turtle, 319, 326, 329.
Tropical Vegetation, D’Orbigny on, 337.
_Trunk of Calamites_, 136.
„ _Sigillaria_, 136.
Tunbridge Wells Sand, 286.
Turbaco, Mud Volcanoes of, 61.
Turonian Series, 309, 310.
Turrilites, 289.
„ _communis_, 290.
„ _costatus_, 289.
_Turritella terebra_, 289.
Turtle, 187, 237, 272, 319, 326, 329, 331, 356.
Tyndall’s, Professor, Theory of Heat, 24.
Uncites Gryphus, 127.
Under Clay, 161.
Unicornu Fossile, 386.
Unio, 266.
Upper Cretaceous, 300-306.
„ Greensand, 300, 309.
„ Oolite, 265.
„ Lias, 212, 273.
„ Lias Clay, 212.
„ Silurian Period, 110.
Ursus spelæus, 184, 395, 417.
„ _Head of_, 184.
Vale of Wardour, 269.
Valley of Poison, 64.
Vallisneri on Marine Deposits of Italy, 6.
Variegated Sandstone, 187.
_Veins of Granite traversing Gneiss of Cape Wrath_, 32.
Velay, Chain of the, 43.
Vertebrata, First Appearance of, 107.
Vespertilio Parisiensis, 326.
Vesuvius, 56, 68.
„ _Existing Crater of_, 56.
Virgularia, 263.
Vivarais, Valley of, 47.
Volcanic Bombs, 59.
„ Ashes, 58.
„ Scoriæ, 57.
„ Eruptions, 57.
„ Formations, 51.
„ Islands, 55.
„ Rocks, 31, 39.
_Volcano in Action_, 52.
Volcanoes, 51.
„ Action of, 57, 63.
„ Active, 55, 67.
„ Mud, 60, 63.
„ Extinct, 63.
„ Sandwich Islands, 56.
„ Watery, 23, 59.
Voltaire and Buffon, 6.
Voltzia heterophylla, 194.
_Voltzia restored_, 195.
Vosges Mountains, 75.
„ „ Submergence of in Permian Period, 180.
Wadhurst Clay, 286.
Walchia, 177.
„ _Schlotheimii_, 176.
Warp, 461.
Water, First Cradle of Life, 100.
Waterstones, 245.
Watery Volcanoes, 23, 59.
Weald Clay, 279, 281, 286, 298.
Wealden Beds, 279.
„ Shells, 281.
Wenlock Rocks, 110.
Whale of the Rue Dauphine, 370.
White Chalk, Berthier’s Analysis, 298.
White Lias, 208.
Wild Man of Aveyron, 469.
Williamsonia, 239.
Wood, Searles V., Junr., on Glacial Deposits, 460.
Wookey Hole, 474.
Woolwich and Reading Beds, 330.
Wright, Dr. Thos., on Penarth Beds, 209.
Xiphodon, 320, 324, 329.
„ _gracile_, 324.
Ysbrants Ides’ Account of Discovery of Frozen Mammoth, 389.
Yuccites, 194.
Zamia, 249, 270.
„ Moreana, 255.
Zamites, 194, 239, 255, 297.
Zechstein, 170.
Zeolites, 44.
Ziphius, 370.
Zones of different density round the incandescent Earth, 85.
Zoophytes of Lias, 238.
„ Middle Oolite, 263.
„ of Carboniferous Period, 141.
_Zostera_, 123, 266.