øvrige citerede Literatur. 



Agassiz, a.: North American Acalephae. — Illustr. Catalogue of 

 the Museum of Comparative Zoology, Harvard College, Nr. 2. 



— 1865. 



Agassiz, L. : Contributions to the Natural History of the United 

 States, Vol. Ill and IV. — Boston 1860—62. 



Alder, J. A.: Catalogue of the Zoophytes of Northumberland and 

 Durham. — Transact. Tyneside Naturahsts' Field Club, Vol. Ill 



— Newcastle 1857. 



— Descriptions of three new Species of Sertularian Zoophytes. 



— Annals and Magazine of Natural History, Ser. 3, Vol. III. 



— London 1859. 



— Description of a Zoophyte and two Species of Echinoderms, 

 new to Britain. — ibid., Ser. 3, Vol. V. — 1860. 



Allman, G. J. : Notes on the Hydroid Zoophytes. — ibid.. Ser. 3, 

 Vol. IV. — 1859. 



— On the Construction and Limitation of Genera among the 

 Hydroida, II. — ibid.. Ser. 3, Vol. XIII. — 1864. 



— A Monograph of the Gymnoblatic or Tubularian Hydroids. 



— Ray Society. — London 1871. 



— Report on the Hydroida collected during the Expeditions of 

 H. M. S. »Porcupine«. — Transact. Zoological Society of Lon- 

 don, Vol. VIII. — London 1874. 



— Diagnoses of new Genera and Species of Hydroida. — Journal 

 Linnean Society, Zoology, Vol. XII. — London 1876. 



— Report on the Hydroida collected during the Exploration of 

 the Gulf-Stream. — Memoirs Museum of Comparative Zoology 

 at Harvard College, Vol. V. — 1877. 



— Report on the Hydroida dredged by H. M. S. »Challenger«, 

 Part I, Plumularidae. — Report Sei. Res. Challenger, Zoology, 

 Vol. VII. — London 1883. 



— do., Part II. — ibid., Vol. XXIII. — 1888. 



Bergh, R. S.: Goplepolyper fra Karahavet. — Dijmphna-Togtets 

 zooIogLsk-botaniske Udbytte. — Kjobenhavn 1887. 



Billard, A.: Hydroides. — Expéditions scientif. du »Travailleur« 

 et du »Talisman«. — Paris 1907. 



Birula, a. a. : Ueber die Hydrozoa . . . gesammelt von Dr. A. Bot- 

 kin in den Jenissey- und Obi-Busen. — Annuaires du Musée 



