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FOREIGN. Maestricht beds and Faxoe chalk. BRITISH. Sands of Folkestone, Sandgate, and Hythe. FOREIGN. Neocomian of Neufchatel, and Hils conglomerate of North Germany. BRITISH. Upper Purbeck beds, fresh-water. FOREIGN. Marnes a gryphees virgules of Argonne. BRITISH. Coral rag of Berkshire, Wilts, and Yorkshire. FOREIGN. Nerinaean limestone of the Jura. BRITISH. Cornbrash and forest marble.

Lias, a set of strata variously composed of limestone, clay, marl, and shale, clay being predominant; 2. Lower oolitic formation, including, besides the great oolite bed of central England, fullers' earth beds, forest marble, and cornbrash; 3. Middle oolitic formation, composed of two sub-groups, the Oxford clay and coral rag, the latter being a mere layer of the works of the coral polype; 4.

The upper division of this series, which is more extensive than the preceding or Middle Oolite, is called in England the Cornbrash, as being a brashy, easily broken rock, good for corn land. It consists of clays and calcareous sandstones, which pass downward into the Forest Marble, an argillaceous limestone, abounding in marine fossils.

Portland stone and sand. c. Kimmeridge clay. MIDDLE OOLITE: d. Coral rag. e. Oxford clay, and Kelloway rock. LOWER OOLITE: f. Cornbrash and Forest marble. g. Great Oolite and Stonesfield slate. h. Fuller's earth. i. Inferior Oolite.