. A catalogue of the collection of Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge. Paleontology; Paleontology. Names and References; Observations, &c. Niobe Homfrayi, Salter (Pal. Soc. Trans. Vol. i. pi. 20, fig. 3). A genus intermediate in some sort between Asap>kus and Ogygia. The labrum is rouud-pointed as in Ogygia, and the glabella lobed as in that genus, but broad as in Asaphus. The pleurae bent, the axis of the body broad, the tail ample. Psilocephalus innotatus, Salter (id. pi. 20, figs. 13, 14). A small Trilobite, allied to Illce
. A catalogue of the collection of Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge. Paleontology; Paleontology. Names and References; Observations, &c. Niobe Homfrayi, Salter (Pal. Soc. Trans. Vol. i. pi. 20, fig. 3). A genus intermediate in some sort between Asap>kus and Ogygia. The labrum is rouud-pointed as in Ogygia, and the glabella lobed as in that genus, but broad as in Asaphus. The pleurae bent, the axis of the body broad, the tail ample. Psilocephalus innotatus, Salter (id. pi. 20, figs. 13, 14). A small Trilobite, allied to Illce- v/us, very abundant. Psilocephalus inflatus, Salter (Mem. Geol. Surv. Vol. in. p. 31G, woodcut 8). Conocoryphe depressa, Salter (Mem. Geol. Surv. Vol. in. pi. G, figs. 1—3). The species of this genus which occur in rocks above the Lingula flag, differ in not having the gla- bella lobes pronounced. Conocoryphe verisimilis, Salter (Mem. Geol. Surv. Vol. in. pi. 6, fig. 13). Dikellocephalus (Centropleura) furca, Salter (Mem. Geol. Surv. Vol. in. pi. 6, fig. 4, and pi. 8, fig. 10). The two blunt prongs to the hinder part of the tail distinguish this from D. celticus. It has also fewer ribs. Localities and Numbers. Tyn-y-llan, Tyn-y-dre, and other places near Trema- doc and Portmadoc. (Mr. Ash.) b. 329, 330, 362, (Mr. D. Homfray's fine spe- cimens figured in the Pal. Tr.)from Penmorfa church. Tyn-y-llan, Tyn-y-dre, and other places near Borth, Portmadoc. (Mr. Ash.) b. 352, 353, figured speci- mens. (Mr. D. Homfray.) b. 357, Penmorfa. (Mr. Homfray). Figured sp. Do. (Mr. Homfray). b. 354, Penmorfa village. (Mr. Homfray.) Llanerch, Moel-y-gest. Garth, Portmadoc. (Mr. D. Homfray.). 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 Sedgwick Museum; Salter, John William, 1820-1869; Sedgwick, Adam, 1785-1873; Morris,
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