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Abnormal Multiplication and Abortion of Parts in Medusæ 1

    Naturevolume 13pages496497 (1876) | Download Citation



    PROF. L. AGASSIZ describes as of very rare occurrence upon the American coast, a peculiar variety of Sarsia, presenting six radial tubes, six oulli, and six tentacles. It therefore becomes the more interesting to state that I met with a precisely similar variety on the east coast of Scotland. Moreover, the occurrence of this variety appears to be as rare in the one locality as in the other; for of all the many thousands of Sarsia which fell within my observation last summer, I only met with one specimen of the variety in question.

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