. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. Terebratula hastata, Sow., with radiating bands of color. Mountain Lime- stone. Derbyshire; Ire- land : Eussia, &c. Aviculopecten sublobaius, Phill. Mountain Lime- stone, Derbyshire; Yorkshire. Pleurotomaria carinata, Sow. (P. flammigera, Phill.) Mo untain Limestone. Derby- shire, &c. The mere fact that shells of such high antiquity should have pre- served the patterns of their coloring is striking and unexpected; but Professor E. Forbes has deduced from it a
. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. Terebratula hastata, Sow., with radiating bands of color. Mountain Lime- stone. Derbyshire; Ire- land : Eussia, &c. Aviculopecten sublobaius, Phill. Mountain Lime- stone, Derbyshire; Yorkshire. Pleurotomaria carinata, Sow. (P. flammigera, Phill.) Mo untain Limestone. Derby- shire, &c. The mere fact that shells of such high antiquity should have pre- served the patterns of their coloring is striking and unexpected; but Professor E. Forbes has deduced from it an important geological con- clusion. He infers that the depth of the primeval seas in which the Mountain Limestone was formed did not exceed fifty fathoms. To * Geol. Quart. Journ., p. 41, 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
