. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Vi^n. Atrypa chemungensis. Vanuxem, page 182, fig. 49, 4, yiU^I. „,.^, VIII g, Chemung formation. (See Con- rad, 1842, Jour. A. N. H. Phila., Vol. 8.—This is the largest Atrypa in middle New mw«m^ York; but the casts of it are more nu- Vamvu^"^'""'*'™"' 49'"^ merous than the shells themselves. Atrypa concentrica. See Athyris spiriferoides. VIIIg- Atrypa concinna. See Nucleospira concinna. VIII c. Atrypa congesta. See Camarella congest
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Vi^n. Atrypa chemungensis. Vanuxem, page 182, fig. 49, 4, yiU^I. „,.^, VIII g, Chemung formation. (See Con- rad, 1842, Jour. A. N. H. Phila., Vol. 8.—This is the largest Atrypa in middle New mw«m^ York; but the casts of it are more nu- Vamvu^"^'""'*'™"' 49'"^ merous than the shells themselves. Atrypa concentrica. See Athyris spiriferoides. VIIIg- Atrypa concinna. See Nucleospira concinna. VIII c. Atrypa congesta. See Camarella congesta. Ya. Atrypa consimilaris. See Atrypa reticularis. VIII a, Atrypa contracta. SeeStenoschismacontractum. VIIIg. Atrypa Giiloides. See Rhynchonella venustula. VIII d Atrypa Guneata, See Rhynchonella cuneata. F5. Atrypa diihia. See Rhynchonella dubia. II h. Antrypa dumosa. Hall, page 271, figs. 124, 1, la; lb (a cast). Chemung formation. VIII g, Dumosa means hushy^ in reference to its nu- merous spines; but [JM^aH, ±a. the shells of this spe- cies found abundantly along the Chemung river, on Cayuta creek, at Elmira, &c., have usually lost their spines and look scaley, so that Prof. Hall at first named the species Atrypa squamosa. The cast of the interior of the flat valve is punc- tured all over, except on the scar, which is finely striated lengthwise, as shown in the figure, 1 b. Hall. ! Atrypa duplioata. See Stenoschisma duplicatum. VIII g. Atrypa elongata. See Renssellseria ovoides. 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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