. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. J nai, size Portland Stone. Fie. Ostrea expansa. Portland Sand. these shales, which contain ammonites, oysters, and other marine shells, the bitumen may perhaps be of animal origin. Among the characteristic fossils may be mentioned Carclium stria- tulum (rig. 385) and Ostrea deltoklea (fig. 386), the latter found in the Kimmeridge clay throughout England and the north of France, and also in Scotland, near Brora. The Gryphcea virgula (tig. 387), Fiff. 355. Fig.

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. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. J nai, size Portland Stone. Fie. Ostrea expansa. Portland Sand. these shales, which contain ammonites, oysters, and other marine shells, the bitumen may perhaps be of animal origin. Among the characteristic fossils may be mentioned Carclium stria- tulum (rig. 385) and Ostrea deltoklea (fig. 386), the latter found in the Kimmeridge clay throughout England and the north of France, and also in Scotland, near Brora. The Gryphcea virgula (tig. 387), Fiff. 355. Fig. 3S6. Fisr. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lyell, Charles, Sir, 1797-1875. New York, D. Appleton and co.

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Keywords: ., bookcentury1800, bookdecade1860, booksubjectgeology, bookyear1868