. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. side so a8 leave it in the condition of a crochet needle ; fig, 6, a bone fish hook. With these were found a Conns ternutus shell, bored for a bead (a shell belonging to the Pacific coast of Cen- tral America, Tryon); also an argiilite spear-head, thin, with sharply chipped edges, 8 inches long, 2 inches wide; a frag- ment of a black hornstone knife; a fragment of brown baked pottery made of clay and broken shells with wicker work marks on the outside; and re
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. side so a8 leave it in the condition of a crochet needle ; fig, 6, a bone fish hook. With these were found a Conns ternutus shell, bored for a bead (a shell belonging to the Pacific coast of Cen- tral America, Tryon); also an argiilite spear-head, thin, with sharply chipped edges, 8 inches long, 2 inches wide; a frag- ment of a black hornstone knife; a fragment of brown baked pottery made of clay and broken shells with wicker work marks on the outside; and remains of extinct peccaries, beav- ers, etc.—PP. Prestwichia danoe. See Euproops danse. XIIL Primitia {Beyrichia.) See Ann. and Mag. Nat. Hist. Lon- don, [3J Vol. 16, page 417. (G. F. Matthew, St. John, Jan., 1889, correction for Beyrichia simplex^ Diet. p. 91.) Primitia ? cristata, Whitfield. Bulletin Amer. Musuem Nat. Hist. N. Y. Vol. 2, No. 2, page 59, plate 13, figs. 1, 2, enlarged four times^ opposite valves, and an out- line profile of each, showing eleva- tion. Characteristic feature, the obliquely transverse ridge-like tubercle, very prominent, but often broken off in getting it out of the rock. Somewhat abundant in the black bituminous shales (Calciferous Sandstone forma- tion?) on Cave Island, Lake Ohamplain, with P. greqaria^ below the lower Opkileta heds.—I la, Primitia gregaria, Whitfield. Bulletin, Amer. Mus. N. Y., Vol. 2, No. 2, page 58, plate 13, figs. 3, 4, en- larged four lengths^ op- posite valves, with out- line profiles; fig. 5,inter- .- . - ^^ TjTpY^—>--^^^^^^""" '"^"" nal cast of the same. ^~ - --^ Wlutffeld^BuJLA,NLm3 Species somewhat varia- ble in outline, but very variable in number, size and position of tubercles, and in sulcus, which is most distinct in the young. Slabs of black shale of Cave Island, Bali's bay, Vermont, are densely covered with its valves, and those of P, cristata ; no other fossils; limestones
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