Subdivisions of the Oolitic or Jurassic group — Physical geography of the Oolite in England and France — Upper Oolite — Portland stone and fossils — Lithographic stone of Solenhofen — Middle Oolite, coral rag — Zoophytes — Nerinæan limestone — Diceras limestone — Oxford clay, Ammonites and Belemnites — Lower Oolite, Crinoideans — Great Oolite and Bradford clay — Stonesfield slate — Fossil mammalia, placental and marsupial — Resemblance to an Australian fauna — Doctrine of progressive development — Collyweston slates — Yorkshire Oolitic coal-field — Brora coal — Inferior Oolite and fossils [257]

Mineral character of Lias — Name of Gryphite limestone — Fossil shells and fish — Ichthyodorulites — Reptiles of the Lias — Ichthyosaur and Plesiosaur — Marine Reptile of the Galapagos Islands — Sudden destruction and burial of fossil animals in Lias — Fluvio-marine beds in Gloucestershire and insect limestone — Origin of the Oolite and Lias, and of alternating calcareous and argillaceous formations — Oolitic coal-field of Virginia, in the United States [273]

Distinction between New and Old Red Sandstone — Between Upper and Lower New Red — The Trias and its three divisions — Most largely developed in Germany — Keuper and its fossils — Muschelkalk — Fossil plants of Bunter — Triassic group in England — Bone-bed of Axmouth and Aust — Red Sandstone of Warwickshire and Cheshire — Footsteps of Chirotherium in England and Germany — Osteology of the Labyrinthodon — Identification of this Batrachian with the Chirotherium — Origin of Red Sandstone and rock-salt — Hypothesis of saline volcanic exhalations — Theory of the precipitation of salt from inland lakes or lagoons — Saltness of the Red Sea — New Red Sandstone in the United States — Fossil footprints of birds and reptiles in the Valley of the Connecticut — Antiquity of the Red Sandstone containing them [286]

Fossils of Magnesian Limestone and Lower New Red distinct from the Triassic — Term Permian — English and German equivalents — Marine shells and corals of English Magnesian limestone — Palæoniscus and other fish of the marl slate — Thecodont Saurians of dolomitic conglomerate of Bristol — Zechstein and Rothliegendes of Thuringia — Permian Flora — Its generic affinity to the carboniferous — Psaronites or tree-ferns [301]

Carboniferous strata in the south-west of England — Superposition of Coal-measures to Mountain limestone — Departure from this type in north of England and Scotland — Section in South Wales — Underclays with Stigmaria — Carboniferous Flora — Ferns, Lepidodendra, Calamites, Asterophyllites, Sigillariæ, Stigmariæ, — Coniferæ — Endogens — Absence of Exogens — Coal, how formed — Erect fossil trees — Parkfield Colliery — St. Etienne, Coal-field — Oblique trees or snags — Fossil forests in Nova Scotia — Brackish water and marine strata — Origin of Clay-iron-stone [308]