Abstract
THE recent researches of Paul Reinsch of Erlangen have shown the occurrence of different schizomycetes and of two new minute algæ (Chroococcus monetarum, Pleurococcus monetarum, Paul Reinsch) on the surfaces of the coins of many nations, living in the thin incrustations of organic detritus (composed especially of starch grains, fibres, &c.) deposited upon their surfaces in the course of long circulation. This extremely thin incrustation renders the coins very suitable for this micro-vegetation, but the same phenomenon is also exhibited in the case of paper money, and indeed by notes of clean and, to the unassisted vision of a quite unaltered appearance.
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SCHAARSCHMIDT, J. Upon the Occurrence of Bacteria and Minute Algæ on the Surface of Paper Money. Nature 30, 360 (1884). https://doi.org/10.1038/030360a0
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DOI: https://doi.org/10.1038/030360a0
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