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I.—Notes on the British Species of Ceratiocaris

Published online by Cambridge University Press:  01 May 2009

T. Rupert Jones  and
Henry Woodward
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Extract

Dr. Packard's observations on the structure of the Phyllopoda, and his comparative anatomical studies of allied living and extinct genera, supply the palæontologist with sound reasoning for referring the Phyllocarida to the Nebaliad type as a centre for a great group of obscure fossil forms, and as a starting-point for the Decapoda. His views have been referred to in some detail in the Geol. Mag. for August last, pages 349–352.

Type
Original Articles
Information
Geological Magazine , Volume 2 , Issue 9 , September 1885 , pp. 385 - 397
Copyright
Copyright © Cambridge University Press 1885

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References

page 385 note 1 See “Monograph of the Phyllopod Crustacea of North America, with remarks on the Order Phyllocarida. By DrPackard, A. S.. jun., (Extracted from the Twelfth Annual Report of the U. S. Geol. and Geograph. Survey), 1883.Google Scholar”

page 385 note 2 See the Sixth Report on Crustacea, Fossil, Brit. Assoc. Report for 1872, p. 323Google Scholar; and Geol. Mag. Vol. IX. p. 564;, also a descriptive note by MrEtheridge, R.. jun., in the Mem. Geol. Surv. Scotl., Explan. Sheet 23, 1873, p. 93Google Scholar, and Ann. Mag. Nat. Hist. ser. 4, vol. xiv. 1874, p. 9.Google Scholar

page 387 note 1 Prof. M'Coy's observations areas follows:—“ …As before mentioned, figs. 9, 10, and 11 [Sil. Syst., pl. 4; omit figs. 9 and 11], representing the so-called Onchus Murchisoni, Ag., are almost identical in form, size, sculpturing, and all other characters (as far as they are represented in these drawings), with the distinctly didactyle pincers which I have figured (Brit. Pal. Foss. pl. E, fig. 7) from Leintwardine, under the name Lept. leptodactylus.… If this approximation prove correct, the fossil should in future be called Leptocheles Murchisoni (Ag. sp.).”—Q. J. G. S. Vol. ix. 1853, p. 13.Google Scholar

page 388 note 1 This is mounted with specimen D as one specimen; but the discrepancy between the two parts is readily seen. It is referred to by the RevTouche, J. D. La in his Geology of Shropshire, 1884, p. 77.Google Scholar

page 394 note 1 The very rich localities for these Silurian Phyllopods in the neighbourhood of Ludlow are enumerated and described in the RevTouche's, J. D. La Handbook of the Geology of Shropshire, 1884, pp. 26, 27Google Scholar, especially Ludford Lane, Bow Bridge, Leintwardine, Church Hill, and Trippleton Farm. See also the Symonds', W. S. Record of the Rocks, 1872, p. 194Google Scholar, etc., for notices of Ludlow and its environs from a geologist's point of view.