Abstract
THE Portuguese man-of-war (Physalia) occurs in two forms which are mirror images of one another but otherwise identical. Under the influence of the wind, one form (left-handed) moves to the right of the downward direction, the other (right-handed) to the left.
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References
Woodcock, A. H., J. Mar. Res., 5, 196 (1944).
Fontaine, A., Notes Nat. Hist. Soc. Jamaica, 64, 61 (1954).
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TOTTON, A., MACKIE, G. Dimorphism in the Portuguese Man-of-War. Nature 177, 290 (1956). https://doi.org/10.1038/177290b0
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DOI: https://doi.org/10.1038/177290b0
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