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Published online by Cambridge University Press: 01 May 2009
page 183 note 1 Ann. Mag. Nat. Hist., vol. xiii (1884), p. 293;Google Scholar “Challenger” Reports, vol. xvi (1886), p. 110;Google Scholar see also Nicholson, , in “Manual of Palæoutology,” Nicholson & Lydekker, vol. i (1889), p. 274.Google Scholar