_Hystrix primigenius_.
_Ichthyocrinus loevis_.
_Ichthyornis; dispar_.
_Ichthyosaurus; communis_.
_Ictitherium_.
_Iguana_.
_Iguanodon; Mantelli_.
Ilfracombe Group.
_Illoenus_.
Imperfection of the palaeontological 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_.
Koessen 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.
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