een 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.
Gaspe 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_