. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 557 Orthoc. taper, a fragment an inch long showing scarcely a perceptible narrowing; 12^ chambers in an inch of length. Large speci- mens (2'^ indiam.) show the peculiar characteristic puncta- tion. Arisaig, N. Scotia.— V? Orthoceras rushense. (McChesney, New Pal. Foss. Coal Measures, 1860.) Collett's Indiana Report 1883, page 164, plate 36, flg. |^;ci. t)\~Sh^^^^^^^^^^^^^^Si^^ ^^ natural si^e, side view of fragment. Attached to it are four valves of Crania m
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 557 Orthoc. taper, a fragment an inch long showing scarcely a perceptible narrowing; 12^ chambers in an inch of length. Large speci- mens (2'^ indiam.) show the peculiar characteristic puncta- tion. Arisaig, N. Scotia.— V? Orthoceras rushense. (McChesney, New Pal. Foss. Coal Measures, 1860.) Collett's Indiana Report 1883, page 164, plate 36, flg. |^;ci. t)\~Sh^^^^^^^^^^^^^^Si^^ ^^ natural si^e, side view of fragment. Attached to it are four valves of Crania modesta —Lived from coal A to the top of the Coal Measures in Indiana; but there are probably three or four species of small Orthocerata in the Coal Measures so much alike that they are mistaken for each other. Collett. It is more reasonable to suppose individual peculiarities.—Recog- nized by J. J. Stevenson (K3, p. 310) in the Coal Measures of southwest Pennsylvania.—XIIL Orthoceras simulator, Hall. Doc. Edit. 28th Rep. State. ;l. Museum of Natural History, plate 28, fig. 11,12, 1878. Mus, edit. p. 179,1879.—Figures above from Collett's Indiana Re-. 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
