. Elements of geology : a text-book for colleges and for the general reader. Geology. Fig. 644. Figs. 639-644.—Jurassic Corals and Echinoderms: 639. Prionastrea oblongata. 640. Apiocrinus Roissianus. 641. Saccocoma pectinata(a freeCrinoid). 642. Asteria lombricalis. 643. Clypeus Plotii. 644. a b, Hemicidaris crenularis. observe that the highest order of Cephalopods, the Dibranchs, by far the most abundantly represented at the present time, were introduced here for the first Fig. 645. Fig. 647. Figs. 645-647.—Jurassic Lajhellibranchs and Brachiopods op England : 645. Diceras Arietina. Mi
. Elements of geology : a text-book for colleges and for the general reader. Geology. Fig. 644. Figs. 639-644.—Jurassic Corals and Echinoderms: 639. Prionastrea oblongata. 640. Apiocrinus Roissianus. 641. Saccocoma pectinata(a freeCrinoid). 642. Asteria lombricalis. 643. Clypeus Plotii. 644. a b, Hemicidaris crenularis. observe that the highest order of Cephalopods, the Dibranchs, by far the most abundantly represented at the present time, were introduced here for the first Fig. 645. Fig. 647. Figs. 645-647.—Jurassic Lajhellibranchs and Brachiopods op England : 645. Diceras Arietina. Middle OSlite (after Nicholson). 646. Astarte excavata. 647. Trigonia cla- 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 LeConte, Joseph, 1823-1901. New York : D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892
