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A Note on the Adaptive Significance of the Sperm-Head in Cerebratulus

N. Yatsu
Biological Bulletin
Vol. 13, No. 6 (Nov., 1907), pp. 300-301
DOI: 10.2307/1535603
Stable URL: http://www.jstor.org/stable/1535603
Page Count: 2
Subjects: Biological Sciences
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Notes and References

This item contains 2 references.

[Footnotes]
  • 1
    Coe, W. R., '99, "The Maturation and Fertilization of the Egg of Cerebratu- lus." Zool. Jahrb. Abth. Anat. u. Ont., 12.
  • 2
    Pflüger, E., und Smith, W. H., '83, "Untersuchungen über Bastardierung der anuren Batracier und die Principien der Zeugung." Pflüger's Archiv, 32.