. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Rhyn. 908 9th Regents'Report, , 1856). Trematospira formosa, PaL N. Y. Vol. 3, 1859, page 215, plate 36, figs 2 a to t; Rhyncho- spira formosa^ page 485, plate 95 A, fig. 7, ventral inside; 8 enlarged twice, dorsal inside, showing broad cardinal process which curves the extremities ot the beak and, when the vah es are closed, passes beneath the deltideal area of the cardinal process; also the short median septum; 9 profile; 10, upper part of two valves jo
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Rhyn. 908 9th Regents'Report, , 1856). Trematospira formosa, PaL N. Y. Vol. 3, 1859, page 215, plate 36, figs 2 a to t; Rhyncho- spira formosa^ page 485, plate 95 A, fig. 7, ventral inside; 8 enlarged twice, dorsal inside, showing broad cardinal process which curves the extremities ot the beak and, when the vah es are closed, passes beneath the deltideal area of the cardinal process; also the short median septum; 9 profile; 10, upper part of two valves joined as in nature ; 11, section showing in- ternal anatomy. The articulation of RhynGhospira is much like that of Nudeospiva ; the form like Rhynchonella. or rather Waldheimia ; some are like Retrta, but the dorsal valve never has a straight hinge line, nor the ventral the same area, com- mon to the species of that Carboniferous genus (Hall). Lower Helderlerg, Abundant in Aughwick valley, Hunt. Co., Pa., at Orbisonia, etc., over the Waterlime ieds, in the lowest 50' of the Lower LLelderlerg limestones, (T, 41; T3j 126; Proc. P. P. S. Jan. 5,1876). F/. ;iicliotreta cuneata (Dalman) Yar, americana (UsiW), sti^Aii Aao ii3i. aa2. Jkcja. \ Collett's Ind. 1881, p. 310, pi. 25, figs. 29-38. Mag, Vb, Rhynobolus galtensis, Hall, 1871. Whiteaves, 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
