. The fossil plants of the Devonian and Upper Silurian formations of Canada [microform]. Paleontology; Paleontology; Paléontologie; Paléontologie. licoloiiical Kiirvi'v "f Canada. ''â '' 'â 'i-i'i. ViOTitrual PSILOPHYTON 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 Dawson, J. W. (John William), Sir, 1820-1899. Montreal : Dawson

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectpaleontology, bookyea