Preliminary Note on the Structure, Devel
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Caldwell, W. H.
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Article
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1883
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The Royal Society
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Owing to the time that must necessarily elapse during the preparaΒtion of plates, it has seemed to me advisable to publish the following preliminary account of my observations on the anatomy and developΒment of Phoronis. These studies were made for the most part in the Zoological Station at Naples.