. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Yol. 2, 1875, p 124, pi. 6, figs. 3, 4, gutta-percha casts; 5, 6, in- terval cast of calyx, basal and lateral views, basal plate sur- face tuberculose; general surface smooth. Note. Gutta-percha casts of hollows left by dissolution of the crinoid are very different from the natural casts of the interior of the body as numerously found, viz: flattened or depressed spheres, pre- serving only the suture lines bat showing none of the external features except the
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Yol. 2, 1875, p 124, pi. 6, figs. 3, 4, gutta-percha casts; 5, 6, in- terval cast of calyx, basal and lateral views, basal plate sur- face tuberculose; general surface smooth. Note. Gutta-percha casts of hollows left by dissolution of the crinoid are very different from the natural casts of the interior of the body as numerously found, viz: flattened or depressed spheres, pre- serving only the suture lines bat showing none of the external features except the shape of the plates. Niagara, Vh. Platycrinus richfieldensis, H. & Whit. Pal. Ohio, Vol. 2, 1875,,,f. 1, very slightly re- stored in drawing the region of the radial plates; cup- plates smooth even under a mod- erate lens; small column of alternate large and small joints; aspect of Dicho- crinus^ but all first radial plates carry arms. Waverly. ^^^^>. 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: 2561px × 976px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea
