. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 240, plate 43. figs. 3 a, 5, a young specimen with scarcely de- fined sinus; (?, d^ e^ /*, dorsal, ventral, front, and profile of an individual of medium size, others are larger; J, cast of ventral valve. Species always longer than jB. dbrupta, and shorter than J?, campbellana ; also more gibbous in old specimens, higher in front, and more finely folded than Barrande's Bo- hemian Terebratula eucharis. Found in the Upper Penta- merus limestone of the Lower Hel


. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 240, plate 43. figs. 3 a, 5, a young specimen with scarcely de- fined sinus; (?, d^ e^ /*, dorsal, ventral, front, and profile of an individual of medium size, others are larger; J, cast of ventral valve. Species always longer than jB. dbrupta, and shorter than J?, campbellana ; also more gibbous in old specimens, higher in front, and more finely folded than Barrande's Bo- hemian Terebratula eucharis. Found in the Upper Penta- merus limestone of the Lower Helderberg formation along the Mohawk.—In Pennsylvania reported found in the Aughwick Valley of Huntingdon. Geol. Pa., 1858. It has not been rec- ognized by the Second Survey, in the Lower Helderherg rocks. VL Rhynchonella nucleolata. (Hall, 10th An. Et. Pal. N. Y. Vol. 3, page 227, plate 33, figs. 1 e, 1 f (copied). Lower Helderherg). In Pennsylvania, Perry Co., Clark's Mill, Spec. 11,798 (three, one fair, the other two small fragments of the interior); 12,913 (good); 12,958 (5 very good). Lower Helderherg^ shaly limestone. VL Rhynchonella nueula {Terelratula nucula) Sowerby, 1839, Sil. System. U. Sil. VL? Rhynchonella nutrix, Billings. Cat. Sib. Foss. Anticosti, 1866, p. 43. VLf. 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