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Les Colonies Animales et la Formation des Organismes. 708 pp., 2 pi., 158 

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 Peters, W. 



Ueber das Geschleclit der Seeigel. Arch.f. Anat. Physiol, u. wissensch. Med., 

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Beschreibung zweier MissgebOdeter See-Igel, nebst Bemcrkungen iiber die 

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

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



English transl. by Henry Lawson. 284 pp. London, 1861^. 

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On Some Remarkable Forms of Animal from the Great Deeps off the Norwe- 

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(Young Brisinga, PI. IV.) 



