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Recherches sur l'Anatomie et la Regeneration des Bras de la Comatula rosa- 

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Les Colonies Animalcs et la Formation des Organismes. 798 pp., 2 pi., 158 

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(Livre IV. p. 575, passim, development of Echinoderrnata.) 

 Peters, W. 



Ueber das Gesclilecht der Seeigel. Arch.f. Anat. Physiol, u. icissensch. Med., 

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(In Sea-urchins sexes are separate.) 

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Bescbreibung zweier Missgebildeter See-Igel, nebst Bemerkungen iiber die 

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 Beschreibung einiger neuen Ecbinodermen nebst kritischen Bemerkungen ueber 

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Reports on the Dredging Operations of the U. S. Coast Survey Steamer 

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 1878. Bull. Mas. Comp. Zool, V. p. 213. Dec. 1878. 



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 Metamorphoses de l'Homme et des Animaux. Paris, 1862. 



English transl . by Henry Lawson*. 284 pp. London, IS64. 

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Ueber das Geschlechtsverlialtni^ bei den Secigeln uud Scestern. Frorieps 

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On Some Remarkable Forma <>f Animal from the Great Deeps off the Norwe- 

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