. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 491 Olen. ment of the rock masses; plate 20, fig. 1, smallest specimen of head collected. Note the distance of the eyes from the central head piece (glabella) ; 1 a^ larger specimen, eyes close to glabella, cheek points extended ; 1 5, eyes united to glabella by ridges; 1 /', extreme projection of cheek points. Olenellus thompsoni. Hall, (1862, 15th An. Et. p. 114. ,. Please note that these images are extracted from scanned page images that may have been d
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 491 Olen. ment of the rock masses; plate 20, fig. 1, smallest specimen of head collected. Note the distance of the eyes from the central head piece (glabella) ; 1 a^ larger specimen, eyes close to glabella, cheek points extended ; 1 5, eyes united to glabella by ridges; 1 /', extreme projection of cheek points. Olenellus thompsoni. Hall, (1862, 15th An. Et. p. 114. ,. 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 Lesley, J. P. (J. Peter), 1819-1903; Pennsylvania. Board of Commissioners for the Second Geological Survey. Harrisburg, Board of Commissioners for the Geological Survey
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea
