. The ancient life-history of the earth; a comprehensive outline of the principles and leading facts of palaeontological science. Paleontology. 78 HISTORICAL PALAEONTOLOGY. Generalised Section of the Cambrian Rocks in Wales. Fig. 27. Arenig Group (Base of the Lower Silurian). Tremadoc Slates. Upper Lingula Flags. Middle Lingula Flags. Lower Lingula Flags. Menevian P5 6 < o. 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 origina
. The ancient life-history of the earth; a comprehensive outline of the principles and leading facts of palaeontological science. Paleontology. 78 HISTORICAL PALAEONTOLOGY. Generalised Section of the Cambrian Rocks in Wales. Fig. 27. Arenig Group (Base of the Lower Silurian). Tremadoc Slates. Upper Lingula Flags. Middle Lingula Flags. Lower Lingula Flags. Menevian P5 6 < o. 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 Nicholson, Henry Alleyne, 1844-1899. New York, A. L. Fowle
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Keywords: ., bookcentur, bookdecade1870, booksubjectpaleontology, bookyear1876
