. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 283 Hesp. Hesperomys; a jaw, with teeth, of an extinct mouse found in the Port Kennedy cave-earth, Chester Co. See Cope, in Proc. A. P. S. 1871, p. 87.—Postpleiooene ; or glacial ? Heterocrinus, juvenis. (Hall, Descrip. New Spec. Pal. rpj-i, 3a Crinoids, p. 4, 1866; 1872, ^' ^' ^""^ pi. 1, figs. 9, 10.) New- berry. Geology of Ohio, Newt: Pal- 0. Vol. 1. Palgeontology, Vol. 1. page 10, plate 1, fig. 3 a; perhaps allied to the Cincinnati Hetero-
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 283 Hesp. Hesperomys; a jaw, with teeth, of an extinct mouse found in the Port Kennedy cave-earth, Chester Co. See Cope, in Proc. A. P. S. 1871, p. 87.—Postpleiooene ; or glacial ? Heterocrinus, juvenis. (Hall, Descrip. New Spec. Pal. rpj-i, 3a Crinoids, p. 4, 1866; 1872, ^' ^' ^""^ pi. 1, figs. 9, 10.) New- berry. Geology of Ohio, Newt: Pal- 0. Vol. 1. Palgeontology, Vol. 1. page 10, plate 1, fig. 3 a; perhaps allied to the Cincinnati Hetero- crinus heterodactylus^ but shorter in the arms, which give off a few side armlets, so small as to be mere stout pinnules. It is curious for the excessive disproportion of head to stem. Near Lebanon, O.— Upper Loraine (Hud. Riv. or Cincinnati) formation.—/// h. Heterocrinus , Rogers, p. 821 (no figure). /// h. Hipparionyx consimilis. See Atrypa reticularis, Va to riiig. Hipparionyx proximus. See Orthis hipparionyx. VIL Holopea antiqua. {Littorina antiqua.) Hall, page 142, yi fig. 58, 4. Vanuxem, page 112, fig. 23,4. Lower ^a. Helderberg. In Pennsylvania, Pike Co., found by ^® Dr. Barrett in Stormville shales (G6, 132) and 51. 4< Stormville limestone (G6,134.)—In Bedford Co., Piper's run, Everett, middle of the Lower Helderlerg lime- stone. (T2, 88,196.)—FZ Holopea elongata. (Hall, Pal. N. Y. Vol. 3, 1859.— Found by Dr. Barrett at Port J ervis, in the Stormville limestone of 1. C. White, Pike Co., Rt. (G6, p. lU,)—Lower Eelderlerg limestone. VL. Holopea obliqua. (Hall, Pal. N. Y. Vol. 1, 1847, Trenton Itcjs.^f'- _£^^ aiid Hudson River) Turbo obliguus^ Em- mons, American Geology, I, ii, 1855, p. 158, plate 5, figs. 18, 18 a, 18 b (alone used), surface smooth or slightly striated. — Trenton and Hudson River (Loraine) ^____ formation. 7/ c, LlLh.—Hall says that ^^'^ PI5, this shell has hitherto been considered a Natica; and that it occurs only in th
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