. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. m^^^: ia DISCINA CONVEXA. Hamilton strata, VIII c. Spec. 858-17 (too poor to identify with certainty) from Mansfield, Tioga Go. Chemung. VIII g, Discina circe. (Billings, Pal. Foss. Vol. 1, 1862, Discina lamellosa, Hall, 1847; OrhiciUa lamellosa, Bro- derick, 1833.) Emmons, Am. Geo]. 1855. I, ii, 200, plate 8, fig. 10.— Trenton limestone forma- tion. II c. (Shumard, Trans. 8t. Louis Acad. Sc. Vol. 1,1858, p. 231, from the Upper Coal Measures of Kansas.) Golle
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. m^^^: ia DISCINA CONVEXA. Hamilton strata, VIII c. Spec. 858-17 (too poor to identify with certainty) from Mansfield, Tioga Go. Chemung. VIII g, Discina circe. (Billings, Pal. Foss. Vol. 1, 1862, Discina lamellosa, Hall, 1847; OrhiciUa lamellosa, Bro- derick, 1833.) Emmons, Am. Geo]. 1855. I, ii, 200, plate 8, fig. 10.— Trenton limestone forma- tion. II c. (Shumard, Trans. 8t. Louis Acad. Sc. Vol. 1,1858, p. 231, from the Upper Coal Measures of Kansas.) Gollett's In- diana Rt. 1882, page 121, plate 25, fig. 9, natural size, upper side of upper valve—Goal measures of Vermillion Co., Ind.— XIII. The second figure is from a specimen in Hist. Soc. at Wilkesbarre, from anthracite coal measures. Mill Creek limestone, 1000' above Conglomerate No XII. Two of these impressions are seen on the rock piece, one unmistakeably of this species; an inch across, a third of an inch high; con- centric lines well indicated. The other may be D. newierryi but the two species are much alike. Heilprin, An. Rt. Geo. Sur. Pa., 1858, page 452, f. 18.—Monongahela series. XV. Discina conradi. Hall. See Appendix. Discina convexa. Shumard, Trans. St. Louis Acad., 1858, Coal measures; doubtfully identified by Heilprin among the Wyoming Hist. Soc. collection of anthracite fossils found near Wilkesbarre, Pa. An. Rt.,1885, p. 452.—XZ/Z Discina ? both valves convex. Specimen 807-38 (00, p. 235) Fellows and Genth's Coll. on Marshall's Creek, Monroe Co., in Hamilton, VIIIc. Discina discus. (Hall, 1859, Pal. N. Y. Vol. 3, p. 195, plate 9, fig. 13, Low. Held.) Claypole's list, Perry Co. F2, xiii. Specimens X-10, 16, 20, twenty-one in all, Lower Helderberg shale. Found also by Dr. Barrett near Port Jervis, in the Stormville shale division of the Lower Helderherg formation, White's ^, ^ Pike Co., Rt. G6, p. 132.— VI. Please note that these images a
Size: 1493px × 1674px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea
