. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. Conocoryphe striata. Syn. Conocephalus striatus, Emmrich. £ nat. size. Ginetz and Skrey. Fig. 668. Fk Paradoxides Itohemicus, Barr. About i natural size. Agnostus integer, Beyrich. Agnostus Bex, Barr. 'Lowest Silurian beds" of Ginetz, Nat. size and magnified. Nat. size. Skrey. Bohemia. (Etage C of Barrande.) Fig. 670. jSao hirsuta, Barrande, in its various stages of growth. Skrey. The small lines beneath indicate the true size. In the youngest state, a, no segme
. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. Conocoryphe striata. Syn. Conocephalus striatus, Emmrich. £ nat. size. Ginetz and Skrey. Fig. 668. Fk Paradoxides Itohemicus, Barr. About i natural size. Agnostus integer, Beyrich. Agnostus Bex, Barr. 'Lowest Silurian beds" of Ginetz, Nat. size and magnified. Nat. size. Skrey. Bohemia. (Etage C of Barrande.) Fig. 670. jSao hirsuta, Barrande, in its various stages of growth. Skrey. The small lines beneath indicate the true size. In the youngest state, a, no segments are visible; as the metamorphosis progresses, &, c, the body segments begin to be developed; in the stage d the eyes are introduced, but the facial sutures are not completed; at e the full-grown animal, half its true size, is shown. reader may learn the gradual manner in which different segments of the body and the eyes make their appearance. When we reflect on the altered and crystalline condition usually belonging to rocks of * Parallele entre les Depots Siluriens de Boheme et de Scandinavia. 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
