File:Geological magazine (1905) (14597512320).jpg

Identifier: geologicalmagazi521905wood (find matches)
Title: Geological magazine
Year: 1864 (1860s)
Authors: Woodward, Henry, 1832-1921
Subjects: Geology
Publisher: London (etc.) Cambridge University Press
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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e genusTornoceras. EXPLANATION OF PLATE Y, Fias. 6-S. Fig. 6.—Orthoceras cf. hercynicum, E. Kayser. a, entire specimen reduced totwo-tliiids of the natural size; h, anterior aspect of last septal surface, showingthe position of the siphuncle, dva-\vTi of the natural size. E. of Cant Cove. ,, 7.—Phraffmoceras (f) f-ii. Nat. size. Cant Hill, St. Minrer, Cornwall. ,, 8.—Cophinoceras sp. a, lateral aspect of entire specimen, reduced to two-thirds of the natural size ; b, a portion of the markings on the body-chamberenlarged. Cant Hill, St. Minver, Cornwall. (For Figs. 1-5 of this Plate, see Dr. H. Woodwards Notes on Trilobites fiomCornwall, pp 151-154.) 1 See a»tea, p. 155, footnote. 2 C. G. Giebel: Fauna der Vorwelt, Bd. iii (1852), p. 233. 3 F. A. Eoemer: Pahxsontographica, Bd. iii, Lief. 1 (1850), p. 16, pi. iii, fig. IS.* F. A. Roemer: ibid., p. 17, pL iii, fig. 20. 5 Blumenbach : Specimen Archa3ologia3 Tellmis, 1803, p. 21, pi. ii, fig. 6. Geol.Ma^,.1905. Decade V.yol.II.Pl.V.
Text Appearing After Image:
&.M.Woodwapa del.etlitli. West,Newman imp. Devonian Ceplialopods and Trilotitesfpom Cornwall. Dr. F. A. Bather—I^ew Ophiurid from Cornwall. 161 IV. — Sympteruba Minvebi, n. g. et sp.: a Devonian OphiuridFROM Cornwall. By F. A. Bather, M.A., D.Sc, British Museum (Natural History). (PLATE VI.) Description of the Holotype. THE specimen (Fig. 6), kindly entrusted to me for description by-Mr. Howard Fox, consists of the oral skeleton surrounded byportions of the disc and of portions of the five rays, all seen fromwhat is believed to be the ventral or actinal surface, and lying ona fragment of the dark slate of the locality, Epphaven. Theskeletal parts being preserved in pyrites, it has proved possibleto develop the specimen slightly by washing with weak hydro-fluoric acid and then brushing with a soft brush. The specimenis, however, so minute and delicate that this process could not becarried very far. The rays vary in length and, to some extent, in the details shownby each. It is

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