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^{page 458 note 1} Johnston, and Williamson, , op. cit., 733.Google Scholar

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^{page 464 note 3} Bavendamm, , op. cit.; a full bibliography is presented on pp. 270–6.Google Scholar

^{page 464 note 4} Twenhofel, , Treatise on Sedimentation, 2nd ed., 311–17.Google Scholar

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^{page 466 note 1} Samples from the west coast of Andros Island were examined by Professor P. G. H. Boswell, who found that the sediment “contains a notable quantity of organic colloids intimately mixed with it”. P. G. H. Boswell, “The action of Colloids in precipitating Fine Grained Sediments” : GEOL. MAO., 1930, 380.