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Ueber Hypomerie und Hy])onuerie hoi Amelia aurita. 

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Browne, E. C. 59.33. 



On the variation of the Tentaculocysts of Aurelia aurita. 

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Hargitt, C. W. 59.33. 



Variation among Hydromedusae. 

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Hargitt, C. W. 59.33. 



Variation anumir Srypliomedusae. 

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The variations of a newly arisen Species of Medusa. 

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