. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. Eeliolites porosa, Gol&f., sp. Pontes pyriformis, Lonsd. a. Portion of the same, magnified. Middle Devo- nian, Torquay; Plymouth; Eifel. Aulopora serpens, Goldf. (The young basal portion of a Syrin- gopora, Milne Edw. and Haime.) becomes a cluster of tubes connected by minute processes. In this state it lias been supposed to be a distinct coral, and has been called Syringopora. With the above are found many stone-lilies or crinoids, some of them, such as Cuprcsso
. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. Eeliolites porosa, Gol&f., sp. Pontes pyriformis, Lonsd. a. Portion of the same, magnified. Middle Devo- nian, Torquay; Plymouth; Eifel. Aulopora serpens, Goldf. (The young basal portion of a Syrin- gopora, Milne Edw. and Haime.) becomes a cluster of tubes connected by minute processes. In this state it lias been supposed to be a distinct coral, and has been called Syringopora. With the above are found many stone-lilies or crinoids, some of them, such as Cuprcssocrinites, of forms generically distinct from those of the Carboniferous Limestone. The mollusks also are no less char- acteristic, among which the genus String'ocephalus (fig. 609) may be. 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
