. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. I'M ^.^ forms of growth. "^ ' Fig. 2, several #^ tubes, much magni'fied. Ni- agara forma- tion in Indiana and Kentucky. A, serpens is a ^1 - much 1 ar ger P •'^' species, but quite similar to this in the mode of its growth, and moreover lived in later Devonian times.— F5. Avicula acanthoptera. Hall, page 263, fig. 118,2. (Com- pare Phillips' Pal. Foss. XXIII, fig. ^^^^^^^^p^ 90, 91, 92.—Avicula damnoniensis^ :^m^mii^^mg Sowerby, Geol. Tra'ns.


. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. I'M ^.^ forms of growth. "^ ' Fig. 2, several #^ tubes, much magni'fied. Ni- agara forma- tion in Indiana and Kentucky. A, serpens is a ^1 - much 1 ar ger P •'^' species, but quite similar to this in the mode of its growth, and moreover lived in later Devonian times.— F5. Avicula acanthoptera. Hall, page 263, fig. 118,2. (Com- pare Phillips' Pal. Foss. XXIII, fig. ^^^^^^^^p^ 90, 91, 92.—Avicula damnoniensis^ :^m^mii^^mg Sowerby, Geol. Tra'ns. [2] LIII, fig. 22.) VIII g. Chemung formation. This beautiful shell, from Phillips- burgh, N. Y., has a sharp hind wing. Avicula bellistriata, reported by J. C. White from the Hamilton shales under Tully limestone, on Little Fishing creek; G7, p. 75.— VIII c. Avicula carinata. See Pterinea carinata^ Conrad, and Ambonychia radiata. Hall. Emmons, Amer. Geol. I, ii, p. 175, plate 17, fig. 23. Found in Canada, New York, Ohio and south- west Virginia, in Loraine (Hudson river) shales; "the most characteristic fossil of the upper part of the Lower Silurian ; /// J. See Appendex, Avicula chemu7igensis. See Pteronites chemungensis. Vlllg. Avicula damnoniensis. See Pteronites chemungensis. Vlllg. Avicula decussata. See Pteronites decussatus. 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