Abstract
IF Mr. George Abbott (NATURE, January 29, p. 607) will refer to the paper by Prof. J. W. Gregory and myself on eozoonal structure in the ejected blocks of metamorphosed limestones of Monte Sommá and Vesuvius he will find that twenty years ago I explained the mechanism of zonal structure, and showed it to be of osmotic origin in that and other cases. This has been amply confirmed by further investigation into illustrations of my “smotic theory”of metamorphism, and, although paid little attention to by my own countrymen, is amply credited by the recent publications of Liesegang and Kurd Endell.
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JOHNSTON-LAVIS, H. Zonal Structure in Colloids. Nature 92, 687 (1914). https://doi.org/10.1038/092687b0
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DOI: https://doi.org/10.1038/092687b0
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