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II.—On two Specimens of Ichthyosaurus Showing Contained Embryos

Published online by Cambridge University Press:  01 May 2009


For many years it has been known that Ichthyosaurus was a viviparous reptile, but until quite recently the British Museum has not possessed a specimen with contained embryos. This deficiency has now been supplied by the acquisition of two fine skeletons, which are worthy of special notice.

Original Articles
Copyright © Cambridge University Press 1906

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page 443 note 1 Seeley, H. G., “Report on the Mode of Reproduction of certain species of Ichthyosaurus from the Lias of England and Würtemberg”: Rep. Brit. Assoc., 1880 (1881), pp. 6876Google Scholar, pl. i. Fraas, E., “Die Ichthyosaurier der süddeutschen Trias- und Jura-Ablagerungen” (Tübingen, 1891), p. 34Google Scholar, pl. iv, fig. 2.

page 443 note 2 Pearce, J. Chaning, “Notice of what appears to be the Embryo of an Ichthyosaurus in the Pelvic Cavity of Ichthyosaurus (communis ?)”: Ann. & Mag. Nat. Hist., vol. xvii (1846), pp. 4446.Google Scholar

page 443 note 3 Lydekker, R.; “Catal. Foss. Rept. B.M.,” pt. ii (1889), p. 73.Google Scholar

page 444 note 1 Beddard, F. E., “Note on an apparently Abnormal Position of the ‘Brephos’ within the Body of a Skink (Chalcides lineatus)”: Proc. Zool. Soc, 1904, vol. ii, pp. 145147Google Scholar, text-fig. 25.

page 444 note 2 E. Fraas, op. cit. H. F. Oshorn, “Ichthyosaurs”: Century Magazine, yol. lxix (1905), pp. 414–422, text-figs. 1–6.

page 444 note 3 See Seeley, and Fraas, ; also Gaudry, A., “Les Enchaînements du Monde Animal—Fossiles Secondaires” (1890), p. 185Google Scholar, fig. 275.