Elements of geology, or, The Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments elementsofgeolog00lyel Year: 1868 Hymenocaris xermicauda, Salter. A Phyllopod Crustacean. i nat. size. ' Lingula Flags ' of Dolgelly, and Ffestinio Lingula Davisii, M'Coy. a. i nat. size. b. Distorted by cleavage. Olenus micrurus, Salter. i nat. size. X. of Barrande's primordial forms of Bohemia, was also found both in North and South Wales, in the black slates of this era. With these * This genus has been substituted for Barrande's Conoc
Elements of geology, or, The Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments elementsofgeolog00lyel Year: 1868 Hymenocaris xermicauda, Salter. A Phyllopod Crustacean. i nat. size. ' Lingula Flags ' of Dolgelly, and Ffestinio Lingula Davisii, M'Coy. a. i nat. size. b. Distorted by cleavage. Olenus micrurus, Salter. i nat. size. X. of Barrande's primordial forms of Bohemia, was also found both in North and South Wales, in the black slates of this era. With these * This genus has been substituted for Barrande's Conocephalits, as the latter term had been preoccupied by the entomologists. f This shell has since been referred by Salter to a subgenus Lingulella, but I retain the original name in this chapter, because it has long been used by geolo- gists in their designation of the beds where it is so abundant. %%%%%%%%%%%%%%%% These figures were given in Sir R. Murchison's Siluria (2d ed., 1854), chap, ii 37
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