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Published online by Cambridge University Press: 01 May 2009
The opinion that fossil Radiolarians were entirely limited to Tertiary strata prevailed until a comparatively late period. Prof. Ernst Haeckel, in his monograph on the Radiolaria, published in 1862, says “that the Radiolarians made their appearance for the first time during the Tertiary period”; and Ehrenberg, as late as 1875, defined all the Polycystina-bearing rocks as Tertiary.
page 345 note 1 Fortsetzung der mikrogeologischen Studien: Abhandl. der k. Akad. der Wissen. Berlin, 1875.Google Scholar
page 345 note 2 Beiträge zur Kenntniss der fossilen Radiolarien aus Gesteinen des Sura: Palaeontographica, vol. xxxi.Google Scholar
page 345 note 3 Beiträge zur Kenntniss der fossilen Radiolarien aus Gesteinen der Kreide: Palaeontographica, vol. xxxv.Google Scholar
page 345 note 4 Geol. Mag., Vol. X, 1873.Google Scholar
page 345 note 5 It should also be mentioned that Dr. Wallich recorded the occurrence of several genera of Radiolaria in the interior of Chalk flints in 1883 (Ann. and Mag. Nat. Hist., July 1883, p. 52).—Edit. Geol. Mag.
page 345 note 6 Beitrage zur Kenntniss der fossilen Radiolarien aus Gesteinen der Kreide: Palaeontographica, vol. xxxv.Google Scholar
page 346 note 1 Phil. Trans. Royal Soc., part ii, 1895, p. 427.Google Scholar
