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Young, John. 



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(The bilateral arrangement of the septje and tentacles of young polyps is com- 

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ADDENDA. 



Allman, G. J- 



Note on the Structure and Terminology of the Reproductive System of the 

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Carus, J. Victor. 



Einige Worte iiber Metamorphose und Generationswechscls. Beobachtungen 

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Desor, E. 



Lettre sur la Generation Medusipare des Polypes hydraires, addressee h. 

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Gegenbaur, C. 



Eutwickelung der Quallen und Velelliden. Zeitschr. f. wissensch. Zool., IV. 

 pp. 3G9, 370. 1853. 



Holdsworth, E. W. H. 



On the Development of Aurelia aicrita in the Society's Aquaria. Atiri. Mag. 

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Kerschner, L. 



Zur Entwickelungsgesehichte von Hi/dra. (Vorlaufige Mittheilung.) Zool. 

 Anzeig., III. pp. 454, 455. 1880. 



Korotneff, A. 



OnblTTj CPABniTTE.ILHArO 113 y^IEina CCELEXTERATA. IP.Bt.- 

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(Luccrnaria .) 

 Ueber seine anatomischen, biologischen und embryologischen Beobachtungen 

 an Hydra. Verb. Zool., Sect. VI. Versammluug Russ. Nat. Zool. 

 Anzeig., III. pp. 1G5-1G7. 1880. 



