Abstract
IN the latest edition of "Growth and Form" (1942), Sir D'Arcy Thompson has directed attention to the analogy between the shapes of drops of such a liquid as ortho-toluidine when resting on the bottom of a vessel filled with water, and the shapes of sea-urchins. Thus a small drop remains practically spherical while a large drop spreads itself out, or more or less sags under its own weight (pp. 946–48).
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LOWNDES, A. Shape of Sea-Urchins. Nature 154, 675–676 (1944). https://doi.org/10.1038/154675b0
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DOI: https://doi.org/10.1038/154675b0
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