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Hamann, 0. 



1883. Beitrage zur Kenntniss der Medusen. Zeitschr. f. wiss. ZooL, 

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 Hargitt, C. W. 



1900. A Contribution to the Natural History and Development of 

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1904^. Notes on Some Hydromedusae from the Bay of Naples'. Mit- 

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 Hargitt, C. W. 



1904*^. The Early Development of Eudendrium. Zool. Jahrb., Abth. 

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 Hargitt, C. W. 



1904°. The Early Development of Pennaria tiarella McCr. Arch. f. 

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 Hargitt, C. W. 



1906. The Organization and Early Development of the Egg of Clava 

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 Hargitt, G. T. 



1909. Maturation, Fertilization and Cleavage of Pennaria tiarella and 

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 Harm, K. 



1902. Die Entwicklungsgeschichte von Clava squamata. Zeitschr. f. 

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 Heine, L. 



1895-6. Die Mikrochemie der Mitose, zugleich eine Kritik mikrocheniis- 

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1898. tJber Kerntheilung, Richtungskorperbildung und Befruchtung 

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 Hertwig, R. 



1908. tJber neue Probleme der Zellenlehre. Arch. f. Zellforsch., Bd. V, 

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 Hickson, S. J. 



1888. On the Sexual Cells and the Early Stages in the Development of 

 Millepora plicata. Phil. Trans. Roy. Soc. London, Vol. 179; B, pp. 

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 Hickson, S. J. 



1890. On the Maturation of the Ovum and the Early Stages in the 

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 Hickson, S. J. 



1894. The Early Stages in the Development of Distichopora violacea, 

 with a Short Essay on the Fragmentation of the Nucleus. Quart. 

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