. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Aviculopecten equilaterus. (Avicida equilatera.) Hall, y\\\X 1843, page 180, fig. 71; Marcellus formation. In Pennsylvania found by White in the richly fossilifer- ous bed near the top of the Marcellus, and in bed 100' beneath the top of the Hamilton, on Big and "• Little Fishing Creek, Hemlock t., Columbia Co., Pa., G7, pp. 229, 230.—F77/5, VIII c. Aviculopecten fragilis. {Avicula fragilis.) Hall, 1843, page 222, figs. 41,1, 2,—VIII e, Genesee for
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Aviculopecten equilaterus. (Avicida equilatera.) Hall, y\\\X 1843, page 180, fig. 71; Marcellus formation. In Pennsylvania found by White in the richly fossilifer- ous bed near the top of the Marcellus, and in bed 100' beneath the top of the Hamilton, on Big and "• Little Fishing Creek, Hemlock t., Columbia Co., Pa., G7, pp. 229, 230.—F77/5, VIII c. Aviculopecten fragilis. {Avicula fragilis.) Hall, 1843, page 222, figs. 41,1, 2,—VIII e, Genesee formation. In Pennsyl- vania, Erie Co., Springfield t.,below Cherry Hill P. 0., Grifiith section, near base of Blue Shale, Q4, p. 255; multitudes in 6" shale lying 50' above top of Girard Shale, Girard Babbit's Sect. Q 4, p. 258- This, or some closely allied form, characterizes the opening of Chemung life, at top of non-fossiliferous Girard Shale. Q4, p. 262.— VIIIg. Aviculopecten {Strellopteria?) herzeri. See Appendix, Found by Stevenson in Decker's cr. shale, Morgantown. XII Aviculopecten interlineatus. (Meek & Worthen, 1860, Proc. Acad., N. S., Chicago. Lower Coal Meas- ures; Illinois Report, Vol. 2, p. 329, plate 36, fig. 7.) Collett's Indiana Rt. of 1883, page 145, plate 30, fig. 9, outside view of left valve, 7iat- ural size ; marked by ten or twelve concentric sharp slender ridges.—XIII Rather rare, but found at distant points of Illinois and Arizona, and to be sought for in the Upper Coal Measures.—XV. Aviculopecten lyelli, Dawson. Acadian Geology, 1868,. 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
Size: 1928px × 1295px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea
