. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Geo/. C<3n. /863 fig. 157 a^ side view; 5, dorsal view. Trenton group. IIc. Modiolopsis maia, Billings. Geology of Canada, 1863, 80 6 a 81 hr, P^go 143, fig. 80^, right valve; 5, dorsal view. (Fig. 81 is M, nais^ Billings. See be- low on page 420.) — Trenton group. Geo/. C<3n. 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

---

. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Geo/. C<3n. /863 fig. 157 a^ side view; 5, dorsal view. Trenton group. IIc. Modiolopsis maia, Billings. Geology of Canada, 1863, 80 6 a 81 hr, P^go 143, fig. 80^, right valve; 5, dorsal view. (Fig. 81 is M, nais^ Billings. See be- low on page 420.) — Trenton group. Geo/. C<3n. 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: 1938px × 1290px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea