Abstract
BECAUSE of delay in correcting and returning proofs, the letter under this title in Nature of January 22, p. 137, contains an error in the last paragraph. The larvæ of Enteropneusta rotate in an anti-clockwise direction viewed from the animal pole, not a clockwise one. To judge from the literature there cited and from a later reference to the subject by van Wijhe1, the hatching larvæ of Amphioxus2, which are remarkably similar in general appearance to Saccoglossus larvæ, rotate consistently in the same direction and swim in a similar manner.
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References
Wijhe, J. W. van, Proc. Akad. van Wetensch., Sect. Sci., 30 (2), 991 (1927).
Hatschek, B., Arb. Zool. Univ. Wien, 4, 1 (1881).
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JONES, E. Bilateral Asymmetry shown by the Metachronal Waves in Protochordate Gill Slits. Nature 163, 220 (1949). https://doi.org/10.1038/163220c0
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DOI: https://doi.org/10.1038/163220c0
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