. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Disc. 212. Discinae numerous, with spirifera3, in the Olean (Garland) conglomerate (bottom division of XII) at Dennison's quarry^ S. W. Crawford Oo.; fine specimens in OarlPs collection (III, p. 55.)—X/7. Discina, spec. 3107, (cat. O) in loose piece of gray shaly SS, 1| m. N. E. of Sharon, Mercer Co., over 2nd mtn. SS.—X Dithyrocaris carbonarius. (Meek & Worthen, Proc. XH^^^-^^>,3. Acad. Nat. Sc. Phila , 1869; Illinois Rt., Vol. 5, 1873, pi. 32, fig. 1
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Disc. 212. Discinae numerous, with spirifera3, in the Olean (Garland) conglomerate (bottom division of XII) at Dennison's quarry^ S. W. Crawford Oo.; fine specimens in OarlPs collection (III, p. 55.)—X/7. Discina, spec. 3107, (cat. O) in loose piece of gray shaly SS, 1| m. N. E. of Sharon, Mercer Co., over 2nd mtn. SS.—X Dithyrocaris carbonarius. (Meek & Worthen, Proc. XH^^^-^^>,3. Acad. Nat. Sc. Phila , 1869; Illinois Rt., Vol. 5, 1873, pi. 32, fig. 1.) Collett's Indiana Rt., 1883, page 178, plate 39, fig.'^3, natural size^ upper view of telson and stylets (tail spikes) by which alone this rare crustacean of the Coal Age is _ known—,XIII. Original specimen found in coal IticI ISS5. J^ measures at Danville, 111.—Specimen in Ran- dall's Warren collection. Pa., recognized by C. E. Hall, Proc. A. P. Soc, Phil., Jan. 5, 1876 —FZ/7-/X Doleropteris. See Cyclopteris elegans. XIII, Drepanacanthus -fish spine occurs in the Meadville upper limestone. I. C. White, Q4-, p. 83.—X. See Appendix. Dicotyles pennsylvanicus. Leidy. Notice and Desc. of fossils in caves and crevices of the limestone rocks of Penn. in An. Rt. Geol. Sur. Pa., 1887'8 (published 1889), upper and lower jaws of a young extinct Peccary, (first found in Indiana, Jour. Acad. Nat. Sci., Phil., Vol. 7, 1869, p. 385), from Hart- man's cave (Crystal Hill cave) near Stroudsburg, Monroe Co., Pa. See figure in Appendix.— Glacial^ or early Human age. Eatoniamedialis. {Atrypamedialis.) Yanuxem page 120, fig. 26, 4. Lower vii. HalUii, c,d. __^i^.8»^ Helderberg forma- at ion.— VI On the Delaware, Dr. Barrett finds it in White's Stormville limestone^ under Stormville conglomerate. (G6, p. 134)—F/.—In Perry Co. Claypole collected it from 3 m. east ol Ickesburg (spec. 187-5, one.)—For the internal structure of Eatoniamedialis^ eminens^ :singularis^ and peculiar
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