Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Science / Faculty of Science >
Journal of the Faculty of Science, Hokkaido University. Series 6, Zoology >
Vol. XV, No. 4 >
Cocoon Formation in Tubifex, with its Relation to the Activity of the Clitellar Epithelium (With 2 Text-figures and 1 Plate)
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