apictus; typhoeus_.
_Paloeoreas_.
_Paloeosaurus; platyodon_.
_Paloeosiren Beinerti_.
_Paloeotherium; magnum_.
_Paloeoxylon_.
Palaeozoic 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; lanceola