. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. fig. 67, showing a group of fragments assigned (where found separately) to diiferent fish and called Helodus rudes (McCoy), Helodus planus (Agas.), Lophodus didymus and Lophodus Icevissimus, thus multiplying needlessly both generic and specific names.—Subcarhoniterous of Ireland, XL Psephodus latus, St. John and Worthen, Geol. Illinois, Vol. 7, 1883, page 72, plate 2, selected figs, la^ small mandibu- lar median tooth, seen from above, broken; 5, inner profil
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. fig. 67, showing a group of fragments assigned (where found separately) to diiferent fish and called Helodus rudes (McCoy), Helodus planus (Agas.), Lophodus didymus and Lophodus Icevissimus, thus multiplying needlessly both generic and specific names.—Subcarhoniterous of Ireland, XL Psephodus latus, St. John and Worthen, Geol. Illinois, Vol. 7, 1883, page 72, plate 2, selected figs, la^ small mandibu- lar median tooth, seen from above, broken; 5, inner profile; 6', outer; 6?, hind-side; 6, front-side; 2 <x, etc., very small tooth,. G^oUllyiLFUtcZ, ^ ^ a St John various aspects; 3a, etc., serial tooth, various aspects. St. Louis {subcarhoniterous) Z^m^5^6>^i^ at Alton and St. Louis. XL Psephodus lunulatus,,St. John and Worthen, Ge. 111. Vol. XL ChesterIjlm. 4^ a ^ -^ 4 o VaL]/ll, V^ '^^ ^'^^' 7, 1883, page 74, plate 2, figs. 4a to d^ fish-tooth sepn from above, from side, inner, and outer edge. Ctiester. i. XL. Psephodus obliquus, St. John and Worthen, Geo. Sur. 111., Vol. 7, 1883, page ^^^ plate 1, selected fig. 15, large middle 23 ^. 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
