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II.—Beiträge Zur Kenntniss Der Fossilen Radiolarien Aus Gesteinen Des Jura. Von Dr. Rüst, in Freiburg I./B. Palæontographica, Band xxxi. Mit Tafel i–xx. (Cassel, 1885.) - Contributions to the Knowledge of Fossil Radiolaria from Rocks of the Juka. By Dr. Ruest, of Freiburg. Palæontographica, vol. xxxi. pp. 51, with 20 plates.

Published online by Cambridge University Press:  01 May 2009

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Copyright © Cambridge University Press 1886

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References

page 79 note 1 Dr. G. C. Wallich has lately called attention to the occurrence of Radiolarians in the cavities of flints from the Upper Chalk of Surrey, but they have not yet been described. Ann. and Mag. Nat. Hist. 5th ser. vol. xii. p. 52, 1883.

page 80 note 1 The geological horizon of these coprolitic iron-ore beds appears to be the same as that of the Cambridge Greensand; and it is worthy of notice that Radiolarians have been discovered by Prof. Sollas in the Coprolites of this latter deposit, but they have not yet been described. See Quart. Journ. Geol. Soc. vol. xxix. 1873, p. 78.