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 Caulopteris primceva, Lindley. Fig. 515. Living tree-ferns of different genera. (Ad. Brong.) Fig. 514. Tree-fern from Isle of Bourbon. Fig. 515. Cyathea glauea, Mauritius. Fi°r. 516. Tree-fern from Brazil. have been mistaken, in the absence of their fructification, for species, still the result is singular, because the whole of Europe affords at present no more than sixty indigenous species. Lepidodendron.—About


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 Caulopteris primceva, Lindley. Fig. 515. Living tree-ferns of different genera. (Ad. Brong.) Fig. 514. Tree-fern from Isle of Bourbon. Fig. 515. Cyathea glauea, Mauritius. Fi°r. 516. Tree-fern from Brazil. have been mistaken, in the absence of their fructification, for species, still the result is singular, because the whole of Europe affords at present no more than sixty indigenous species. Lepidodendron.—About 40 species of fossil plants of the Coal have


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