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IV.—Further Notes on a Collection of Fossil Shells, etc., from Sumatra (obtained by M. Verbeek, Director of the Geological Survey of the West Coast, Sumatra). Part IV.1

Published online by Cambridge University Press:  01 May 2009

Henry Woodward
Henry Woodward
Affiliation:
British Museum.
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Extract

This cast indicates a fusiform turrited shell adorned by discontinuous varices; the spire is wanting; it also shows that the shell was transversely ribbed and corrugated; the outer lip was strongly plicato-dentate internally; the aperture rather small; canal moderately long.

Type
Original Articles
Information
Geological Magazine , Volume 6 , Issue 12 , December 1879 , pp. 535 - 549
Copyright
Copyright © Cambridge University Press 1879

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References

page 542 note 1 Part I. containing the Univalves, with fourteen plates, has already appeared (Leiden, E. J. Brill, 1879, pp. 94, folio).

page 544 note 1 In figuring this fossil PI. XV. Fig. 5, the mouth-view only is given, so that one cannot see from the drawing the crenulations or denticulations on the cast, marking what was the character of the interior of the outer lip.

page 544 note 2 This coloration in the figure (see PI. XV. Fig. 6, b) unfortunately conveys to the eye rather the appearance of corrugations or cross-ridges, but the surface is really quite smooth.

page 545 note 1 The fresh condition and coloration of this shell render it difficult, in the absence of more exact knowledge of these beds, to refer it to any but a very modern deposit.

page 545 note 2 Twenty fossil species of Neritopsis are described from the Trias ?, Lias, and Oolites. Dr. Hörnes has also figured a Neritopsis (which he refers to the recent N. radula) from the Vienna Basin. I find that Hörnes considers Grateloup's N. monilifera to be only a synonym of N. radula (Foss. Moll, des Wiener Beckens, p. 528, pi. 47, fig. 8).

page 545 note 3 See Jules Beaudouin (Bull. Soc. Geol. France, 2e serie, t. xxvi. 1869, p. 182).

page 545 note 4 Manual of Mollusca, by Dr. S. P. Woodward, Appendix by Ealph Tate, 1875, pp. *12 and *13, fig. 11.