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Self Fertilization in the Air-Breathing Pond Snails

Harold Sellers Colton
Biological Bulletin
Vol. 35, No. 1 (Jul., 1918), pp. 48-49
DOI: 10.2307/1536402
Stable URL:
Page Count: 2
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Notes and References

This item contains 2 references.

  • 1
    Colton, Proc. Acad. Nat. Sci. Phila., May, 1902
  • 2
    Colton, Proc. Acad. Nat. Sci. Phila., July, 19o8