Abstract
THE ciliate Conchophthirius lamellidens, living as an ectoparasite on the gills of a fresh-water mussel Lamellidens marginalis Lamarck, has been under our observation for nearly two years. The specimens were collected from ponds in Calcutta. We had seen conjugation in this ciliate from time to time, but it was not until September 1933 that we started keeping proper records in order to determine the frequency of occurrence of this process. Our method of procedure has been to examine four mussels every day and search the gill scrapings for conjugants.
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RAY, H., CHAKRAVERTY, M. Lunar Periodicity in the Conjugation of Conchophthirius lamellidens Ghosh. Nature 134, 663–664 (1934). https://doi.org/10.1038/134663b0
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DOI: https://doi.org/10.1038/134663b0
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