Abstract
INTERSEXES in Asellus aquaticus L., in which the anterior abdominal appendages are intermediate in form between the male and female condition, have been recorded from time to time and their occurrence has been reviewed by Maercks1. They were always females, 5–8 mm. in length. Needham2 has pointed out that their anterior pleopods, which were never completely male in form, correspond to various stages in the normal development of the male organs.
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References
Maercks, H. H., Zool. Jahrb., Abt. f. Zool., 48, 434 (1931).
Needham, A. E., Quart. J. Micr. Sci., 82, 61 (1941).
Needham, A. E., Quart. J. Micr. Sci., 81, 127 (1928).
Le Roux, M.-L., C.R. Acad. Sci., Paris, 192, 889 (1931).
Le Roux, M.-L., C.R. Acad. Sci., Paris, 193, 885 (1931).
Haemmerli-Boveri, V., Zool. Vergl. Physiol., 4, 668 (1926) (seen only in abstract).
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MUNRO, W. Intersexuality in Asellus aquaticus L. parasitized by a Larval Acanthocephalan. Nature 172, 313 (1953). https://doi.org/10.1038/172313a0
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DOI: https://doi.org/10.1038/172313a0
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