Biological investigations of noxious coelenterates and ctenophores in coastal North Carolina /

Mode of access: Internet.

Beiträge zur Naturgeschichte der wirbellosen Thiere : Ueber Medusa, Cyclops, Loligo, Gregarina und Xenos /

Bound with his: Observationes quaedam entomologicae de oxybelo uniglume atque miltogramma conica. Erlangae : Typis Kunstmannianis, 1841, and, Ueber Parthenogenesis. München : Auf Kosten der K. Akademie, 1862.

Monographie der Medusen /

Vol. 1 of text has added t.p. : Denkschriften der Medicinisch-naturwissenschaftlichen Gesellschaft zu Jena.

On the principles of classification in the animal kingdom /

From Proceedings of the Third Meeting of the American Association for the Advancement of Science, held at Charleston, March, 1850.

Das system der medusen. Erster theil einer monographie der medusen.

Issued in 2 parts.