. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. Planorbis euomphalus, Sow. Headon Hill. £ diam. Helix labyrinthica, Say. Headon Hill, Isle of Wight; and Hordwell Cliff, Hants—also recent. just as the allied form, P. discus, fig. 216, does the Bembridge lime- stone. The brackish-water beds contain Potamomya plana, Ceritkium mutabile, and Potamides cinctus (fig. 44, p. 30), and the marine beds Venus (or Cytherea) incrassata, a species common to the Limburg Fig. 223. Neritina concava. Headon Please note that

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. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. Planorbis euomphalus, Sow. Headon Hill. £ diam. Helix labyrinthica, Say. Headon Hill, Isle of Wight; and Hordwell Cliff, Hants—also recent. just as the allied form, P. discus, fig. 216, does the Bembridge lime- stone. The brackish-water beds contain Potamomya plana, Ceritkium mutabile, and Potamides cinctus (fig. 44, p. 30), and the marine beds Venus (or Cytherea) incrassata, a species common to the Limburg Fig. 223. Neritina concava. Headon 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