. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. M,Q-. 1 2^ Bull. No. 30, 178,plate ^ 20, fig. 2, to explain a feature of the Rocky Mountain species Paradoxides \ gilherti {M. C\ Middle Cambrian of \ Sweden) viz. the small round protube- â ' ' ' ranee between the eyes and the gla bella; a character observed by Ford in the young of Olenellus asaphoideSy P. gilherti embryonic features last to an age long after they disappear in other species; normal individuals also. Please note that these image

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. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. M,Q-. 1 2^ Bull. No. 30, 178,plate ^ 20, fig. 2, to explain a feature of the Rocky Mountain species Paradoxides \ gilherti {M. C\ Middle Cambrian of \ Sweden) viz. the small round protube- â ' ' ' ranee between the eyes and the gla bella; a character observed by Ford in the young of Olenellus asaphoideSy P. gilherti embryonic features last to an age long after they disappear in other species; normal individuals also. 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