. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. eucrate^ but is less gibbous, longer, and without angularity along the body. Chemung conglomerate at Panama, N. Y. Also Kandall's Warren specimen N'^. 9502. VIII g. Ptychopteria falcata, Hall, Pal. N. Y. Vol. V i, 1884, ^"' ^' .^^""^mmm^ 7 page 136, pi. 85, fig. 6, entire left valve with surface mark- ings ; 7, smaller left valve; shell comparatively longer, Pa/,lViffJt^4^ body more oblique, and wing Vol,V Itp^9S smaller than in P. ihetis. In a
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. eucrate^ but is less gibbous, longer, and without angularity along the body. Chemung conglomerate at Panama, N. Y. Also Kandall's Warren specimen N'^. 9502. VIII g. Ptychopteria falcata, Hall, Pal. N. Y. Vol. V i, 1884, ^"' ^' .^^""^mmm^ 7 page 136, pi. 85, fig. 6, entire left valve with surface mark- ings ; 7, smaller left valve; shell comparatively longer, Pa/,lViffJt^4^ body more oblique, and wing Vol,V Itp^9S smaller than in P. ihetis. In an Upper Chemung sandstone and conglomerate at Allegheny Springs, Warren Co., Pa. Specimens in Kandall's collections at Warren, Pa., specimen 9612, wrongly labelled Cypricardia ; also spec. 886-2. VIIIg. Ptychopteria galena, Hall, Pal. N. Y. Vol. V i, 1884, page 142, pi. 85, ^^. 29, left valve pressed flat; 30, smaller ditto normal; (31,omitted); fine,reg- ular, interrupted or undulating . radii, and very fine concentric /fe/.A/XK/,/?//5 g^^ crowded into irregular bundles and lamellose on front part of shell; interior un- known. In lower beds of Upper Chemung^ at Warren, Pa- Specimens in Randall's collections at Warren, Pa. Nos. 9499, 9450,9501,9502 A, 9623,9624,9625; wronglv labelled '^ Yoldia V VIII g, Ptychopteria lata, Hall, Pal. N. Y. Vol. V i, 1884, page 145, pi. 85, fig. 23, entire left valve; 24, larger ditto; 25, right valve showing its comparatively stronger wing-fold; concentric striae crowded into bundles at unequal distances and wavy. Vni. 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
