Abstract
THE large median compound eye of the Cladocera begins its development as two separate rudiments which enlarge gradually and fuse in the mid-line. In the majority of Cladocera these rudiments are red in colour and gradually darken so that they are black just before fusion. In embryos of Polyphemus pediculus the eye rudiments are green in colour, and when treated with yellow nitric acid they give a positive Gmelin reaction, indicating the presence of a bile pigment.
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References
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GREEN, J. Biliverdin in the Eyes of Polyphemus pediculus (L.) (Crustacea, Cladocera). Nature 189, 227–228 (1961). https://doi.org/10.1038/189227a0
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DOI: https://doi.org/10.1038/189227a0
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