O{ Bognor beds _Sea Snakes_ | | W{ _Crocodiles_ | | E{ _Conus_, | | R{ _Voluta_, | | { _Cyprina_, | | { _Nautilus_, | | E{ and other shells | | O{ indicating a semi- | | C{ tropical climate | | E{C2 Plastic and Mottled |Argile plastique _Fluviatile | N{ Clays and Sands | and lignite shells_ | E{ | _Large bird | {C3 Thanet Sands _Pholadomya_ | Gastornis | { _Cyprina_, | Parisiensis_ | { &c. |Sables de Bracheux | --------------------------------------------------------------------- ------------------------------------------------------------------------ CONTINENT | | | OF EUROPE | INDIA. | N. AMERICA. | S. AMERICA. AND ASIA | | | | | East of the West of the | | | Rocky Mts. Rocky Mts. | | | | | |The Claiborne beds are considered | | |by Lyell as the equivalent of the | | |Middle Eocene of Britain; the | | |parallelism of the other American | | |deposits has not yet been | | |completed. | | | Uinta group | | | _Uintatherium_ | | | | | | | | | Bridger group | | | Vicksburg | | | beds |Deposits | |T _Orohippus_ |believed | |h M _Dinoceras_ |to be of | |e a d _Uintatherium_|Tertiary | | r e _Tinocoras_ |age, in | |A i p Claiborne _Tillotherium_ |the Pampas, Nummulitic |Nummulitic|l n o beds |contain Limestone |formation |a e s |Palæotherium of the | of Cutch,|b i |and