mer 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;