Chapter XXVIII: Appendix (2)

Acadian Group. _Acer_. _Acervularia_. _Acidaspis_. Acorn-shells. _Acroculia_. _Acrodus; nobilis_. _Acrotreta_. _Acroura_. _Actinocrinus_. _Æglina_. _Æpiornis_. _Agnostus; rex_. _Alces malchis_. _Alecto_. _Alethopteris_. _Algoe_ (_see_ Sea-weeds). Alligators. _Alnus_. _Amblypterus; macropterus_. _Ambonychia_. _Ammonites; Humpresianus; bifrons_. _Ammonitidoe_. _Amphibia_; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Miocene. _Amphicyon_. _Amphilestes_. _Amphispongia_. _Amphistegina_. _Amphitherium; Prevostii_. _Amphitragulus_. _Amplexus; coralloides_. _Ampyx_. _Anachytes_. _Anchitherium_. _Ancyloceras; Matheronianus_. _Ancylotherium Pentelici_. _Andrias Scheuchzeri_. _Angiosperms_. Animal Kingdom, divisions of. _Anisopus_. _Annelida_, of the Cambrian period; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous. _Annularia_. _Anomodontia_. _Anoplotheridoe_. _Anoplotherium; commune_. Ant-eaters. Antelopes. _Anthracosaurus Russelli_. _Anthrapaloemon gracilis_. _Antilocapra_. _Antilope quadricornis_. Antwerp Crag. Apes. _Apiocrinus_. _Apteryx_. Aqueous rocks. _Arachnida_ of the Coal-measures. Aralo-Caspian Beds. _Araucaria_. _Araucarioxylon_. _Arca; antiqua_. _Archoeocidaris_. _Archoeocyathus_. _Archoeopteryx; macrura_. _Archoeospoerinoe_. _Archimedes; Wortheni_. _Archiulus_. Arctic regions, Miocene flora of. _Arctocyon_. Arenaceous rocks. _Arenicolites; didymus_. Arenig rocks. Argillaceous rocks. Armadillos. _Artiodactyle Ungulates_. _Asaphus; tyrannus_. _Ascoceras_. _Aspidella_. _Aspidura loricata_. _Astarte borealis_. _Asterophyllites_. _Asterosteus_. _Astroeidoe_. _Astroeospongia_. _Astylospongia; proemorsa_. _Athyris; subtilita_. Atlantic Ooze. _Atrypa; congesta; hemispoerica; reticularis_. Auger-shells. Aurochs. Aves (_see_ Birds). _Avicula; cantorta; socialis_. "Avicula contorta Beds". _Aviculidoe_. _Aviculopecten_. _Axophyllum_. Aymestry Limestone. Azoic rocks.

_Baculites; anceps_. Bagshot and Bracklesham Beds. _Bakewellia_. _Baloena_. Bala Group. Bala Limestone. _Balanidoe_. _Banksia_. Barbadoes Earth. Barnacles. Bath Oolite. Bats. Bears. Beaver. Beetles. _Belemnitella mucronata_. _Beleminites; canaliculatus_. _Belemnitidoe_. _Belemnoteuthis_. _Belinurus_. _Bellerophon; Argo_. _Belodon; Carolinensis_. _Belosepia_. _Beloteuthis subcostata_. Bembridge Beds. _Beryx; Lewesiensis_. _Beyrichia; complicata_. Bird's-eye Limestone. Birds, of the Trias; of the Jurassic; of the Cretaceous; of the Eocene; of the Post-Pliocene. _Bison priscus_. Bituminous Schists of Caithness. Bivalves (_see_ Lamellibranchiata). Black-lead (_see_ Graphite). Black-River Limestone. _Blastoidea_; of the Devonian; of the Carboniferous. _Boidoe_. Bolderberg Beds. Bone-bed, of the Upper Ludlow; of the Trias. Bony Fishes (_see_ Teleostean Fishes). _Bos primigenius; _taurus_. Boulder-clay. _Bourgueticrinus_. Bovey-Tracy Beds. _Brachiopoda_; of the Cambrian rocks; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene. _Brachymetopus_. Brachyurous Crustaceans. Bradford Clay. Breaks in the Geological and Palæontological record. Breccia. Brick-earths. Bridlington Crag. Brittle-stars (_see_ Ophiuroidea). _Bronteus_. _Brontotheridoe_. _Brontotherium ingens_. _Brontozoum_. _Buccinum_. _Bucklandia_. _Bulimus_. Bunter Sandstein. Butterflies. _Byssoarca_.

Cainozoic (_see_ Kainozoic). Calamaries. _Calamites; cannoeformis_. Calcaire Grossier. Calcareous rocks; Tufa. Calciferous Sand-rock. _Calveria_. _Calymene; Blumenbachii_. _Camarophoria globulina_. Cambrian period; rocks of, in Britain; in Bohemia; in North America; life of. _Camelopardalidoe_. Camels. _Canis lupus; Parisiensis_. Caradoc rocks. Carbon, origin of. Carboniferous Limestone. Carboniferous period; rocks of; life of. Carboniferous Slates of Ireland. _Carcharias_. _Carcharodon; productus_. _Cardinia_. _Cardiocarpon_. _Cardiola; fibrosa; interrupta_. _Cardita; planicosta_. _Cardium; Rhoeticum_. Caribou. _Carnivora_, of the Eocene; of the Miocene; of the Pliocene; of the Post-Pliocene. _Caryocaris_. _Caryocrinus ornatus_. _Castor fiber_. _Castoroides Ohioensis_. Catastrophism, theory of. _Catopterus_. Cauda-Galli Grit. _Caulopteris_. Cave-bear. Cave-deposits. Cave-hyæna. Cave-lion. Caves, formation of; deposits in. _Cavicornia_. Cement-stones. _Cephalaspis_. _Cephalopoda_, of the Cambrian period; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene; of the Miocene. _Ceratiocaris_. _Ceratites; nodosus_. _Ceratodus; altus; Fosteri; serratus_. _Ceriopora; Hamiltonensis_. _Cerithium; _hexagonum_. _Cervidoe_, of the Miocene period; of the Pliocene; of the Post-Pliocene. _Cervus; capreolus; elaphus; megaceros; tarandus_. _Cestracion Philippi_. Cestracionts, of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous. _Cetacea_; of the Eocene; of the Miocene. _Cetiosaurus_. _Choeropotamus_. _Choetetes; tumidus_. Chain-coral. Chalk; structure of; Foraminifera of; origin of; with flints; without flints. _Chama_. _Chamoerops; Helvetica_. Chazy Limestone. _Cheiroptera_, of the Eocene; of the Miocene. _Cheirotherium_. _Cheirurus; bimucronatus_. _Chelichnus Duncani_. _Chelone Benstedi; planiceps_. _Chelonia_, of the Permian; of the Jurassic; of the Cretaceous; of the Eocene; of the Miocene. _Chemnitzia_. Chemung Group. Chert. Chillesford Beds. _Chonetes; Hardrensis_. _Chonophyllum_. _Cidaris_. Cincinnati Group. _Cinnamomum polymorphum_. Cinnamon-trees. _Cladodus_. Claiborne Beds. _Clathropora; intertexta_. Clay; Red, origin of. Clay-ironstone, nodules of. _Cleidophorus_. _Cleodora_. _Climacograptus_. Clinton Formation. _Clisiophyllum_. _Clupeidoe_. _Clymenia; Sedgwickii_. Coal; structure of; mode of formation of. Coal-measures; mineral characters of; mode of formation of; plants of. Coccoliths. _Coccosteus_. _Cochliodus; cantortus_. _Coleoptera_. _Colossochelys Atlas_. _Columnaria; alveolata_. _Comatula_. Conclusions to be drawn from Fossils. Concretions, calcareous; phosphatic; of clay-ironstone; of manganese. Conglomerate. _Coniferoe_; wood of; of Devonian period; of the Carboniferous; of the Permian; of the Trias; of the Jurassic period. Coniston Flags and Grits. Connecticut Sandstones, footprints of. _Conocoryphe Mathewi; Sultzeri_. Conodonts. _Constellaria_. Constricting serpents of the Eocene. Contemporaneity of strata. Continuity, theory of. _Conularia; ornata_. _Conulus_. _Conus_. Coomhola Grits. Coprolites. Coralline Crag. Corallines. _Corallium_. Coral-rag. Coral-reefs. Coral-rock. Coral-sand. Corals; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene; of the Miocene. _Corbula_. Cornbrash. Corniferous Limestone. _Cornulites_. Cornus. _Coryphodon_. Cowries. Crabs. Crag, Red; White; Norwich; Antwerp; Bridlington; Coralline. _Crania; Ignabergensis_. _Crassatella_. _Crepidophyllum; Archiaci_. Cretaceous period; rocks of, in Britain; in North America; life of. Crinoidal Limestone. _Crinoidea_; of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Triss; of the Jurassic; of the Cretaceous; of the Eocene. _Crioceras; cristatum_. _Crocodilia_; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene. Cromer Forest-bed. _Crossozamites_. _Crotalocrinus_. _Crustacea_, of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous. Cryptogams. _Ctenacanthus_. _Ctenodonta_. _Cupressus_. Cursores. Cuttle-fishes (_see_ Dibranchiate Cephalopods). _Cyathocrinus_. _Cyathophyllum_. _Cycadopteris_. Cycads; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous. _Cyclas_. _Cyclonema_. _Cyclophthalmus senior_. _Cyclostoma; Arnoudii_. _Cynodraco_. _Cyproea; elegans_. Cypress. _Cypridina_. Cypridina Slates. _Cyrena_. _Cyrtina_. _Cyrtoceras_. _Cystiphyllum; vesiculosum_. _Cystoidea_; of the Cambrian; of the Lower Silurian; of the Upper Silurian.

Dachstein Beds. _Dadoxylon_. _Daonella; Lommelli_. _Dasornis Londinensis_. Decapod Crustaceans. Deer. _Deinosauria_; of the Trias; of the Jurassic; of the Cretaceous. _Deinotherium; giganteum_. Denbighshire Flags and Grits. _Dendrocrinus_. _Dendrograptus_. Desmids. Devonian Formation; origin of name; relation to Old Red Sandstone; of Devonshire; of North America; life of. _Diadema_. Diatoms; of the Devonian; of the Carboniferous; of flints; of Richmond Earth. Dibranchiate Cephalopods; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene; of the Miocene. _Diceras; arietina_. Diceras Limestone. _Dichobune_. _Dichograptus; octobrachiatus_. Dicotyledonous plants. _Dicotyles antiquus_. _Dicranograptus_. _Dictyonema; sociale_. _Dicynodon; lacerticeps_. _Didelphys; gypsorum_. _Didus ineptus_. _Didymograptus; divaricatus_. _Dikellocephalus Celticus; Minnesotensis_. _Dimorphodon_. _Dinichthys; Hertzeri_. _Ditoceras; mirabilis_. _Dinocerata_. _Dinophis_. _Dinornis; elephantopus; giganteus_. _Dinosauria_ (see _Deinosauria_). _Dinotherium_ (see _Deinotherium_). _Diphyphyllum_. _Diplograptus; pristis_. _Dipnoi_. _Diprotodon; australis_. _Diptera_. _Discina_. _Discoidea; cylindrica_. _Dithyrocaris; Scouleri_. Dodo. Dog whelks. Dolomite. Dolomitic Couglomerate of Bristol. Dolphins. _Dorcatherium_. Downton Sandstone. _Draco volans_. Dragon-flies. Drift, Glacial. _Dremotherium_. _Dromatherium sylvestre_. _Dryandra_. _Dryopithecus_. Dugougs.

_Echinodermata_, of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene. _Echinoidea_; of the Upper Silurian; or the Devonian; of the Carboniferous; of the Permian; of the Jurassic; of the Cretaceous. _Edentata_; of the Eocene; of the Miocene; of the Post-Pliocene. _Edriocrinus_. Eifel Limostone. _Elasmobranchii_ (_See_ Placoid Fishes). _Elasmosaurus_. Elephants. _Elphas; Americanus; antiquus; Falconeri; Melitensis; meridionalis; planifrons; primigenius_. Elk; Irish. _Ellipsocephalus Hoffi_. _Elotherium_. _Emydidoe_. _Emys_. Enaliosaurians. Encrinital warble. _Encrinurus_. _Encrinus liliiformis_. Endogenous plants. _Endophyllum_. _Endothyra; Bailyi_. Engis skull. _Entomis_. _Entomoconchus Scouleri_. Eocene period; rocks of, in Britain; in France; in North America; life of. _Eocidaris_. _Eophyton; Linneanum_. Eophyton Sandstone. _Eosaurus Acadianus_. Eozoic rocks. _Eozoön Bavaricum_. _Eozoön Canadense_; appearance of, in mass; minute structure of; affinities of, with _Foraminifera_. _Ephemeridoe_. _Equisetaceoe_. _Equisetites_. _Equidoe_. _Equus; caballus; excelsus; fossilis_. _Eridophyllum_. _Eryon arctiformis_. _Eschara_. _Escharidoe_. _Escharina; Oceani_. _Estheria; tenella_. _Eucalyptocrinus; polydactylus_. _Eucladia_. _Euomphalus; discors_. _Euplectella_. _Euproöps_. European Bison. _Eurypterida_; of the Upper Silurian; of the Devonian. Even-toed Ungulates. Exogenous plants. _Exogyra; virgula_. Extinction of species.

_Fagus_. Faluns. Fan-palms. _Favistella_. _Favostites; Gothlandica; hemisphoerica_. Faxöe Limestone. _Felis angustus; leo; speloea_. _Fenestella; cribrosa; magnifica; retiformis_. _Fenestellidoe_. Ferns, of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous. Fig-shells. Fishes; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene; of the Miocene. Flint; structure of; origin of; organisms of; of Chalk. Human implements associated with bones of extinct Mammals. Flora (_see_ Plants). Footprints of _Cheirotherium_; of the Triassic sandstones of Connecticut. _Foraminifera_; of the Cambrian; of the Lower Silurian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene; of the Miocene; of the Post-Pliocene; of Atlantic ooze; as builders of limestone; as forming green sands. _Forbesiocrinus_. Forest-bed of Cromer. Forest-bugs. Forest-marble. Formation, definition of; succession of. Fossiliferous rocks; chronological succession of. Fossilisation, processes of. Fossils, definition of; distinctive, of rock-groups; conclusions to be drawn from; biological relations of. Foxes. Fringe-finned Ganoids. Fucoidal Sandstone. Fucoids. Fuller's Earth. _Fusulina; cylindrica_. _Fusus_.

_Galeocerdo_. _Galerites; albo-galerus_. _Galestes_. Ganoid Fishes; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene. Gaspé Beds. _Gasteropoda_, of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene. _Gastornis Parisiensis_. Gault. Gavial. Genesee Slates. Geological record, breaks in the. Giraffes. Glacial period; deposits of. _Glandulina_. Glauconite. _Glauconome; pulcherrima_. Globe Crinoids (_see_ Cystoidea). _Globigerina_. Glutton. _Glyptaster_. _Glyptocrinus_. _Glyptodon; clavipes_. _Glyptoloemus_. Goats. _Goniatites; Jossoe_. _Gorgonidoe_. _Grallatores_. Graphite; mode of occurrence of; origin of. _Graptolites_; structure of; of the Lower Silurian; of the Upper Silurian. Great Oolite; Upper. Greenland. Miocene plants of. Greensand, Lower. Green sands, origin of. _Grevillea_. _Griffithides_. Grizzly Bear. Groond Sloths. _Gryphoea; incurva_. Guelph Limestone. _Gulo luscus; speloeus_. Guttenstein Beds. Gymnospermous Exogens. Gypsum. _Gyracanthus_. _Gyroceras_.

_Hadrosaurus_. _Halitherium_. Hallstadt Beds. _Halobia_. _Halysites; agglomerata; catenularia_. Hamilton formation. _Hamites; rotundus_. _Haplophlebium Barnesi_. Harlech Grits. _Harpes; ungula_. Hastings Sands. Headon and Osborne series. Heart-urchins. _Heliolites_. _Heliophyllum; exiguum_. _Helix_. _Helladotherium_. _Helopora fragilis_. _Hemicidaris crenularis_. _Hemiptera_. _Hemitrochiscus paradoxus_. Hempstead Beds. _Hesperornis; regalis_. _Heteropoda_; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous. _Hinnites_. _Hipparion_. _Hippopodium_. _Hippopotamus; amphibus; major; Sivalensis_. _Hippothoa_. Hippurite Marble. _Hippurites; Toucasiana_. _Hippuritidoe_. _Histioderma_. Hollow-horned Ruminants. _Holocystis elegan_. _Holopea; Subconica_. _Holopella; obsoleta_. _Holoptychius; nobilissimus_. Holostomatous Univalves. Holothurians. _Holtenia_. _Homacanthus_. _Homalonotus; armatus_. _Homo diluvii testis_. Honeycomb Corals. Hoofed Quadrupeds. Hudson River Group. Huronian Period; rocks of. _Hyoena crocuta; speloea; Hipparionum_. _Hyoenictis_. _Hyoenodon_. _Hyalea D'Orbignyana_. _Hybodus_. _Hydractinia_. Hydroid Zoophytes. _Hymenocaris vermicauda_. _Hymenophyllites_. _Hymenoptera_. _Hyopotamus_. _Hyperodapedon_. _Hypsiprymnopsis_. _Hystrix primigenius_.

_Ichthyocrinus loevis_. _Ichthyornis; dispar_. _Ichthyosaurus; communis_. _Ictitherium_. _Iguana_. _Iguanodon; Mantelli_. Ilfracombe Group. _Illoenus_. Imperfection of the palæontological record. Inferior Oolite. Infusorial Earth. _Inoceramus; sulcatus_. _Insectivora_, of the Eocene; of the Miocene. Insects, of the Devonian; of the Carboniferous; of the Jurassic; of the Miocene. Irish Elk. _Ischadites_. Isopod Crustaceans.

Jackson Beds. Jurassic period; rocks of; life of.

_Kaidacarpum_. Kainozoic period. Kangaroo. Kelloway Rock. Kent's Cavern, deposits in. Keuper. Kimmeridge Clay. King-crabs. _Koninckia_. Kössen Beds.

_Labyrinthodon Joegeri_. _Labyrinthodontia_; of the Carboniferous; of the Permian; of the Trias. Lace-corals. _Lacertilia_; of the Permian; of the Trias; of the Jurassic; of the Cretaceous. _Loelaps_. _Lamellibranchiata_, of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene. _Lamna_. Lamp-shells (see _Brachiopoda_). Land-tortoises. _Lauraceoe_. Laurentian period; rocks of; Lower Laurentian; Upper Laurentian; areas occupied by Laurentian rocks; limestones of; iron-ores of; phosphate of lime of; graphite of; life of. Leaf-beds of the Isle of Mull. _Leda; truncata_. _Leguminosites Marcouanus_. Lemming. _Lepadidoe_. _Lepadocrinus Gebhardi_. _Leperditia; canadensis_. _Lepidaster_. _Lepidechinus_. _Lepidesthes_. Lepidodendroids. _Lepidodendron; Sternberg_. _Lepidoptera_. _Lepidosiren_. _Lepidosteus_. _Lepidostrobus_. _Lepidotus_. _Leptoena; Liassica; sericea_. _Leptocoelia; plano-convexa_. Lias. Lichas. _Licrophycus Ottawaensis_. Lignitic Formation of North America. Lily-encrinite. _Lima_. Lime, phosphate of. Limestone; varieties of; origin of; microscopical structure of; Crinoidal; Foraminiferal; coralline; magnesian; metamorphic; oolitic; pisolitic; bituminous; Laurentian. _Limnoea; pyramidalis_. _Limulus_. _Lingula; Credneri_. Lingula Flags. _Lingulella; Davisii; ferruginea_. _Liriodendron; Meeki_. _Lithostrotion; irregulare_. _Lituites_. Lizards (see _Lacertilia_). Llama. Llanberis Slates. Llandeilo rocks. Llandovery rocks; Lower; Upper. Lobsters. Loess. London Clay. Longmynd rocks. _Lonsdaleia_. _Lophiodon_. _Lophophyllum_. Lower Cambrian; Chalk; Cretaceous; Devonian; Eocene; Greensand; Helderberg; Laurentian rocks; Ludlow rock; Miocene; Old Red Sandstone; Oolites; Silurian period; rocks of, in Britain; in North America; life of. _Loxonema_. Ludlow rock. _Lycopodiaceoe_. Lynton Group. _Lyrodesma_.

Macaques. _Machoeracanthus major_. _Machairodus; cultridens_. _Maclurea; crenulata_. _Macrocheilus_. _Macropetalichthys; Sullivanti_. _Macrotherium giganteum_. _Macrurous Crustaceans_. _Mactra_. Maestricht Chalk. Magnesian Limestone; nature and structure of; of the Permian series. Magnolia. _Mammalia_, of the Trias; of the Jurassic; of the Eocene; of the Miocene; of the Pliocene; of the Post-Pliocene. Mammoth. Man, remains of, in Post-Pliocene deposits. Manatee. _Mantellia; megalophylla_. Maple. Marble; encrinital; statuary. Marcellus Shales. _Mariacrinus_. Marmots. Marsupials; of the Trias; of the Jurassic; of the Eocene; of the Miocene; of the Post-Pliocene. _Marsupiocrinus_. _Marsupites_. _Mastodon; Americanus, angustidens; Arvenensis; longirostris; Ohioticus; Sivalensis_. Medina Sandstone. _Megalichthys_. _Megalodon_. _Megalomus_. _Megalonyx_. _Megalosaurus_. _Megatherium; Cuvieri_. _Melania_. _Melonites_. Menevian Group. _Menobranchus_. _Meristella; cylindrica; intermedia; naviformis_. _Mesopithecus_. Mesozoic Period. _Michelinia_. _Micraster_. _Microlestes; antiquus_. Middle Devonian; Eocene; Oolites; Silurian. Miliolite Limestone. _Millepora_. Millstone Grit. Miocene period; rocks of, in Britain; in France; in Belgium; in Switzerland; in Austria; in Germany; in Italy; in India; in North America; life of. Mitre-shells. _Mitra_. Moas of New Zealand. _Modiolopsis; Solvensis_. Molasse. Mole. Monkeys. Monocotyledonous plant. _Monograptus; priodon_. _Monotis_. Monte Bolca, fishes of. _Montlivaltia_. Mosasauroids. _Mosasaurus; Camperi; princeps_. Mountain Limestone. Mud-fishes. Mud-turtles. Mull, Miocene strata of. _Murchisonia; gracilis_. _Murex. Muschelkalk. Musk-deer. Musk-ox. Musk-sheep. _Myliobatis Edwardsii_. _Mylodon; robustus_. _Myophoria; lineata_. _Myriapoda_ of the Coal.

_Nassa_. _Natatores_. _Natica_. _Nautilus; Danicus; pompilius_. Neanderthal skull. Neocomian series. _Neolimulus_. _Nerinoea; Goodhallii_. _Nerita_. _Neuroptera_. _Neuropteris_. Newer Pliocene. New Red Sandstone. Newts. Niagara Limestone. _Nipadites; ellipticus_. _Noeggerathia_. Norwich Crag. _Nothosaurus; mirabilis_. _Notidanus_. _Numenius gypsorum_. _Nummulina; loevigata; pristina_. _Nummulitic Limestone_.

Oak. _Obolella; sagittalis_. Odd-toed Ungulates. _Odontaspis_. _Odontopteris; Schlotheimi_. _Odontopteryx; toliapicus_. _Odontornithes_. _Ogygia; Buchii_. Older Pliocene. _Oldhamia; antiqua_; slates of Ireland. Old Red Sandstone; origin of name; of Scotland; relations of, to Devonian. _Olenus; micrurus_. Oligocene. _Oligoporus_. Olive-shells. _Omphyma_. _Onchus; tenuistriatus_. Oneida Conglomerate. _Onychodus; sigmoides_. Oolitic limestone, structure of; mode of formation of. Oolitic rocks (_see_ Jurassic). Ooze, Atlantic. _Ophidia_; of the Eocene. _Ophiuroidea_, of the Lower Silurian; of the Upper Silurian; of the Carboniferous; of the Trias; of the Jurassic. Opossum. _Orbitoides_. Oriskany Sandstone. _Ormoxylon_. _Orohippus_. _Orthis; biforata; Davidsoni; elegantula; flabellulum; Hicksii; lenticularis; plicatella; resupinata; subquadrala; testudinaria_. _Orthoceras; crebriseptum_. _Orthonota_. _Orthoptera_. _Osmeroides; Mantelli_. _Osmerus_. _Ostealepis_. _Ostracode_ Crustaceans of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous. _Ostrea acuminata; Couloni; deltoidea; distorta; expansa, gregarea; Marshii_. _Otodus; obtiquus_. _Otozamites_. _Otozoum_. _Oudenodon; Bainii_. _Ovibos moschatus_. Oxford Clay. _Oxyrhina; xiphodon_. Oysters.

_Pachyphyllum_. _Paloearca_. _Paloeaster; Ruthveni_. _Palasterina; primoeva_. _Paloechinus; ellipticus_. _Paloeocaris; typus_. _Paloeocoma; Colvini_. _Paloeocoryne_. Palæolithic man, remains of. _Paloeomanon_. _Paloeoniscus_. _Paloeontina Oolitica_. Palæontological evidence as to Evolution. Palæontological record, imperfection of the. Palæontology, definition of. _Paloeonyctis_. _Paloeophis; toliapictus; typhoeus_. _Paloeoreas_. _Paloeosaurus; platyodon_. _Paloeosiren Beinerti_. _Paloeotherium; magnum_. _Paloeoxylon_. Palæozoic period. Palms. _Paludina_. _Pandaneoe_. _Pandanus_. _Paradoxides; Bohemicus_. _Parasmilia_. _Parkeria_. Pear Encrinite. Pearly Nautilus. Peccaries. _Pecopteris_. _Pecten Groenlandicus; Islandicus; Valoniensis_. Penarth Beds. _Pennatulidoe_. _Pentacrinus; caput-medusoe; fasciculosus_. _Pentamerus; galeatus; Knightii_. _Pentremites_ (_see_ Blastoidea). _Pentremites conoideus; pyriformis_. Perching Birds. _Percidoe_. _Periechocrinus_. _Perissodactyle Ungulates_. Permian period; rocks of, in Britain; in North America; life of. Persistent types of life. _Petalodus_. _Petraster_. Petroleum, origin of. Pezophaps. _Phacops; Downingioe; granulatus; loevis; latifrons; longicaudatus; rana_. _Phoenopora ensiformis_. Phalangers. Phanerogams. _Phaneropleuron_. _Phascolotherium_. _Pheronema_. _Phillipsastroea_. _Phillipsia; seminifera_. _Pholadomya_. _Phormosoma_. _Phorus_. Phosphate of lime, concretions of; disseminated in rocks; origin of. _Phyllograptus; typus_. _Phyllopoda_, of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias. _Phyllopora_. _Physa; columnaris_. Pigs. Pilton Group. _Pinites_. _Pisces (_see_ Fishes). _Pisolite_. Pisolitic Limestone of France. _Placodus; gigas_. Placoid Fishes; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene; of the Miocene. _Plagiaulax_. _Planolites; vulgaris_. _Planorbis_. Plants, of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene; of the Miocene. _Plasmopora_. _Platanus; aceroides_. _Platephemera antiqua_. _Platyceras; dumosum; multisinuatum; ventricosum_. _Platycrinus; tricontadactylus_. _Platyostoma; Niagarense_. Platyrhine Monkeys. _Platyschisma helicites_. _Platysomus; gibbosus_. _Platystoma_. Pleistocene period; climate of. _Plesiosaurus; dolichodeirus_. _Pleurocystites squamosus_. _Pleurotoma_. _Pleurotomaria_. _Plicatula_. Pliocene period; rocks of, in Britain; in Belgium; in Italy; in North America; life of. _Pliopithecus; antiquus_. _Pliosaurus_. _Podocarya_. _Podozamites; lanceolatus_. Polir-schiefer. _Polycystina_; of Barbadoes-earth. _Polypora; dendroides_. _Polypterus_. _Polystomella_. _Polytremacis_. _Polyzoa_, of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Cretaceous; of the Miocene. _Populus_. _Porcellia_. Porcupines. Portage Group. Port-Jackson Shark. Portland beds. Post-Glacial deposits. Post-Pliocene period. Post-Tertiary period. _Poteriocrinus_. Potsdam Sandstone. Pre-Glacial deposits. _Prestwichia; rotundata_. _Primitia; strangulata_. Primordial Trilobites. Primordial zone. _Proboscidea_, of the Miocene; of the Pliocene; of the Post-Pliocene. _Producta; horrida; longispina; semireticulata_. _Productella_. _Productidoe_. _Proëtus_. Prong-buck. _Protaster; Sedgwickii_. _Proteaceoe_. _Proteus_. _Protichnites_. _Protocystites_. _Protornis Glarisiensis_. _Protorosaurus; Speneri_. _Protospongia; fenestrata_. _Prototaxites; Logani_. _Psammobia_. _Psammodus_. _Psaronius_. _Pseudocrinus bifasciatus_. _Psilophyton; princeps_. _Pteranodon; longiceps_. _Pteraspis; Banksii_. _Pterichthys; cornutus_. _Pterinoea; subfalcata_. _Pteroceras_. _Pterodactylus; crassirostris_. _Pterophyllum; Joegeri_. _Pteropoda_, of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Jurassic. _Pterosauria_; of the Jurassic; of the Cretaceous. _Pterygotus Anglicus_. _Ptilodictya; acuta; falciformis; raripora; Schafferi_. _Ptychoceras; Emericianum_. _Ptychodus_. _Pupa vetusta_. Purbeck Beds; Mammals of. _Puryuroidea_. _Pycnodus_. _Pyrula_.

_Quadrumana_, of the Eocene; of the Miocene; of the Pliocene; of the Post-Pliocene. Quadrupeds (_see_ Mammalia). Quaternary period. Quebec Group. _Quercus_.

Rabbits. _Rana_. _Raptores_. _Rasores_. Recent period. _Reptaculites_. Red clays, origin of. Red Coral. Red Crag. Red Deer. Reindeer. _Remopleurides_. Reptiles; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene. _Retepora; Ehrenbergi; Phillipsi_. _Retiolites_. _Retzia_. _Rhætic Beds_. _Rhamphorhynchus; Bucklandi_. _Rhinoceridoe_. _Rhinoceros Etruscus; leptorhinus; megarhinus; tichorhinus_. _Rhinopora verrucosa_. _Rhizodus_. _Rhombus minimus_. Rhyncholites. _Rhynchonella; cuneata; neglecta; pleurodon; varians. _Rhynchosaurus; articeps. Rice-shells. Richmond Earth. Ringed Worms (_see_ Annelida). River-gravels, high-level and low-level. _Robulina_. Rocks, definition of; divisions of; igneous; aqueous; mechanically-formed; chemically-formed; organically-formed; arenaceous; argillaceous; calcareous; siliceous. _Rodentia_, of the Eocene; of the Miocene; of the Post-Pliocene. Roebuck. _Rostellaria_. _Rotalia; Boueana_. Rugose Corals; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Upper Greensand. Rupelian Clay.

_Sabal major_. Sabre-toothed Tiger. _Saccammina_. _Saccosoma. Salamanders. Salina Group. _Salix; Meeki_. _Salmonidoe_. _Sao hirsuta_. _Sassafras cretacea_. _Sauropterygia_. _Scalaria; Groenlandica_. _Scaphites; oequalis_. _Schizodus_. Schoharie Grit. _Scolecoderma_. _Scoliostoma_. _Scolithus; Canadensis_. Scorpions of the Coal-measures. Scorpion-shells. Screw-pines. _Scutella; subrotunda_. Sea-cows (_see_ Sirenia). Sea-lilies (_see_ Crinoidea). Sea-lizards (_see_ Enaliosaurians). Seals. Sea-mats and Sea-mosses (_see_ Polyzoa). Sea-shrubs (_see_ Gorgonidæ). Sea-urchins (_see_ Echinoidea). Sea-weeds. Secondary period. Sedimentary rocks. _Semnopithecus_. Septaria. _Sequoia; Couttsioe; gigantea; Langsdorffii_. _Serolis_. Serpents (_see_ Ophidia). _Serpulites_. Sewâlik Hills (_see_ Siwâlik Hills). Sheep. Shell-sands. _Sigillaria; Groeseri_. Sigillarioids. Silicates, infiltration of the shells of Foraminifera by. Siliceous rocks. Siliceous Sponges. Silicification. Silurian period (_see_ Lower Silurian and Upper Silurian). _Simosaurus; Gaillardoti_. _Siphonia; ficus_. Siphonostomatous Univalves. _Siphonotreta_. _Sirenia_; of the Eocene; of the Miocene. _Siren lacertina_. _Sivatherium; giganteum_. Siwâlik Hills, Miocene strata of. Skiddaw Slates. Sloths. _Smilax_. _Smithia_. Snakes (_see_ Ophidia). Soft Tortoises. _Solarium_. Solenhofen Slates. Solitaire. _Spalacotherium_. _Spatangus_. _Sphoerospongia_. _Sphagodus_. _Sphenodon_. _Sphenopteris_. Spiders of the Coal-measures. Spider-shells. Spindle-shells. _Spirifera; crispa; disjuncta; hysterica; mucronata; Niagarensis; rostrata; sculptilis; trigonalis_. _Spiriferidoe_. _Spirophyton cauda-Galli_. _Spirorbis; Arkonensis; Carbonarus; laxus; Lewisii; omphalodes; spinulifera_. _Spirulirostra_. _Spondylus; spinosus_. Sponges, of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous. _Spongilla_. _Spongillopsis_. _Spongophyllum_. Spore-eases, of Cryptogams in the Ludlow rocks; in the Coal. Squirrels. _Stagonolepis_. Staircase-shell. Stalactite. Stalagmite. Star-corals. Star-fishes. St Cassian Beds. _Stephanophyllia_. _Stereognathus_. _Stigmaria; ficoides_. Stonesfield Slate; Mammals of. Strata, contemporaneity of. Stratified rock. _Streptelasma_. _Streptorhynchus_. _Stromatopora; rugosa; tuberculata_. _Strombodes; pentagonus_. _Strombus_. _Strophalosia_. _Strophodus_. _Strophomena; alternata; deltoidea; filitexta; rhomboidalis; Subplana_. Sub-Apennine Beds. Sub-Carboniferous rocks. Succession of life upon the globe. _Suida_. Sulphate of lime. _Sus Erymanthius; scrofa_. _Synastroea_. _Synhelia Sharpeana_. _Synocladia; virgulacea_. _Syringopora; ramulosa_.

Tabulate Corals; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian. _Talpa Europoea_. _Tapiridoe_. Tapirs. _Tapirus Arvernensis_. _Taxocrinus tuberculatus_. _Taxodium_. _Teleosaurus_. Teleostean Fishes; of the Cretaceous. _Telerpeton Elginense_. _Tellina proxima_. _Tentaculites; ornatus_. _Terebra_. _Terebratella; Astleriana_. _Terebratula; digona; elongata; hastata; quadrifida; sphoeroidalis_. _Terebratulina; caput-serpentis; striata_. Termites. Terrapins. Tertiary period. Tertiary rocks, classification of. _Testudinidoe_. Tetrabranchiate Cephalopods; of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous; of the Permian; of the Trias; of the Jurassic; of the Cretaceous; of the Eocene; of the Miocene. _Textularia; Meyeriana_. Thanet Sands. _Theca_. _Theca Davidii_. _Thecidium_. Thecodont Reptiles. _Thecodontosaurus; antiquus_. _Thecosmilia annularis_. _Thelodus_. Theriodont Reptiles. _Thylacoleo_. Tile-stones. _Titanotherium_. Toothed Birds. Tortoises. _Tragoceras_. Travertine. Tree-Ferns, of the Devonian; of the Coal-measures. Tremadoc Slates. _Trematis_. Trenton Limestone. _Trianthrus Beckii_. Triassic period; rocks of, in Britain; in Germany; in the Austrian Alps; in North America; life of. _Triconodon_. _Trigonia_. _Trigoniadoe_. _Trigonocarpum; ovatum_. Trilobites; of the Cambrian; of the Lower Silurian; of the Upper Silurian; of the Devonian; of the Carboniferous. _Trimerellidoe_. _Trinucleus; concentricus_. _Trionycidoe_. _Triton_. _Trochocyathus_. _Trochonema_. _Trogontherium; Cuvieri_. Trumpet-shells. Tulip-tree. _Turbinolia sulcata_. _Turbinolidoe_. _Turrilites; catenulatus_. _Turritella_. Turtles. _Typhis tubifer_.

_Ullmania selaginoides_. Unconformability of strata. Under-clay of coal. _Ungulata_, of the Eocene; of the Miocene; of the Pliocene; of the Post-Pliocene. Uniformity, doctrine of. _Unio_. Univalves (_see_ Gasteropoda). Upper Cambrian; Chalk; Cretaceous; Devonian; Eocene; Greensand; Helderberg; Laurentian; Llandovery; Ludlow rock; Miocene; Oolites; Silurian period; rocks of, in Britain; in North America; life of. _Ursus arctos; Arvernensis; ferox; speloea_. _Ursus_.

Valley-gravels, high-level and low-level. _Vanessa Pluto_. _Varanidoe_. Vegetation (_see_ Plants). _Ventriculites; simplex_. Venus's Flower-basket. _Vermilia_. _Vespertilio Parisiensis_. Vicksburg Beds. Vines. Vitreous Sponges. _Voltzia; heterophylla_. _Voluta; elongata_. Volutes.

_Walchia; piniformis_. Walrus. Wealden Beds. _Wellingtonia_. Wenlock Beds; Limestone; Shale. Wentle-traps. Werfen Beds. Whalebone Whales. Whales. Whelks. White Chalk; structure of; origin of. White Crag. White River Beds. Wild Boar. _Williamsonia_. Winged Lizards (_see_ Pterosauria). Winged Snails (_see_ Pteropods). Wing-shells. Wolf. Wolverine. Wombats. Woolhope Limestone. Woolly Rhinoceros. Woolwich and Reading Beds. Worm-burrows.

_Xanthidia_. _Xenoneura antiquorum_. _Xiphodon_. _Xylobius; Sigillarioe_.

_Zamia spiralis_. _Zamites_. _Zaphrentis; cornicula; Stokesi; vermicularis_. _Zeacrinus_. Zechstein. _Zeuglodon; cetoides_.