250 
ELEMENTS OF GEOLOGY. 
CHAPTER XVI. 
•' EOCENE FORMATIONS. 
Eocene Areas of North of Europe.—Table of English and French Eocene 
Strata.—Upper Eocene of England.—Berabridge Beds.—Osborne or St. 
Helen’s Beds.—Headon Series.—Fossils of the Barton Sands and Clays.— 
Middle Eocene of England.—Shells, Nummulites, Fish and Reptiles of the 
Bracklesham Beds and Bagshot Sands.—Plants of Alum Bay and Bourne¬ 
mouth.—Lower Eocene of England.—London Clay Fossils.—Woolwich 
and Reading Beds formerly called ‘‘Plastic Clay.”—Fluviatile Beds under¬ 
lying Deep-sea Strata.—Thanet Sands.—Upper Eocene Strata of France. 
—Gypseous Series of Montmartre and Extinct Quadrupeds. ^—Fossil Foot¬ 
prints in Paris Gypsum.—Imperfection of the Record.—Calcaire Silicieux. 
—Gres de Beauchamp.—Calcaire Grossier,—Miliolite Limestone.—Sois- 
sonnais Sands.—-Lower Eocene of France.—Nummulitic Formations of 
Europe, Africa, and Asia.—Eocene Strata in the United States. ^—Gigantic 
Cetacean. 
Eocene Areas of the North of Europe.—The strata next in 
order in the descending series are those which I term Eoceee. 
Fig. 164. 
Map of the principal Eocene areas of North-western Europe. 
Hypogene rocks and strata older j Eocene for- 
than the Devonian. -^ mations. 
N.B.—The space left blank is occupied by fossiliferoiis formations from the Devo¬ 
nian to the chalk inclusive. 
In the accompanying map, the position of several Eocene 
areas in the north of Europe is pointed out. When this 
map was constructed I classed as the newer part of the Eo- 
