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Hick, T. (78) and (81) Vide Cash, W.
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—— (94) On the primary structure of the stem of Calamites. Proc. Lit. and Phil. Soc. [4] vol. VIII. p. 158. Manchester, 1894.
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—— (96) On a sporangiferous spike, from the Middle Coal-Measures, near Rochdale. Ibid. vol. X. [4] p. 73, 1896.