Smith, Hamilton Lanphere, 1819-1903. [from old catalog] · Cleveland, M. C. Younglove and company · leaf 311
als and the shales, traces of cellular tissue are obser-ved, and the peculiar spiral vessels and dotted cells, indicatingthe coniferous or cone-bearing wood, We must therefore con-clude that these beds of coal, although mineralized, and almostcrystaline in their appearance, are entirely of… … 2 1 Pecopteris Sdlimani, or Sillimans embroidered fern; and fig. 2,the Sphmopt&ris, or wedge-leafed fern; from the coal shalesSilesia. Besides the fern tribe, which in the ancient world seemsto have been much more largely developed than at present, wefind gigantic specimens of the Calamite,…
Astronomy · Meteorology · Geology · Paleontology
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
