LIST OF LITERATURE 



1863. Agassiz, A. On the Mode of Development of the marginal Tentacles of the free Medusa; of some Hydroids. Proceed. Bo- 

 ston Soc. of Nat. Hist. Vol. IX. Boston. 



1865. North American Acalephse. Catal. Mus. Comp. Zool., Harvard Coll. Nr. II. 



1888. Three Cruises of the U. S. Coast and Geodetic Survey Steamer Blake. Vol. II. Bull. Mus. Comp. Zool., Harvard Coll. 



Vol. 15. Cambridge, Mass. 



1899. Agassiz, A. & May.er, A. G. Acalephs from the Fiji Islands. Ibidem, Vol. 32. No. 9. 



1849. Agassiz, L. Contrib. Nat. History of the Acalephae of North America. Part I. Mem. Amer. Acad. of Arts and Sciences. New- 

 Set. Vol. IV. 



1862. Contributions to the Natural History of the United States of America. 2' Monograph. Vol. IV. 



1871. Allmann, G. J. A Monograph of the Gymnoblastic or Tubularian Hydroids. 



1896. Aurivillius, C. W. S. Das Plankton der Baffins Bay und Davis' Strait. Festskrift Wilhelm Lilljeborg tillegnad. Upsala. 



1898. Vergleichende Thiergeographische Untersuchungen iiber die Plankton-Fauna des Skageraks in den Jahren 1893 1897. 



Kongl. Svenska Vetensk.-Akad. Handlingar. Bd. 30. Nr. 3. Stockholm. 



1901. Bedot, M. Materiaux pour servir a 1'histoire des Hydroides. i" periode. Revue Suisse de Zoologie. Tome 9. Fasc. 3. 



1905. do. 2 e periode. Ibid. Tome 13. Fasc. i. 



1910. do. 3* 18. 2. 



1912. do. 4 e 20. 6. 

 1916. do. 5 24. i. 



1918. do. 6e 26. supplemental. 



1867. Beneden, P. I. van. Recherches sur la Faune littorale de Belgique (Polypes). Mem. de 1'Acad. Roy. des Sciences, des 



Lettres et des Beaux-Arts de Belgique. Tome 35. Bruxelles. 



19093. Bigelow, H. B. The Medusae . . . "Albatros", Eastern Tropical Pacific. Mem. Mus. Comp. Zool., Harvard Coll. Vol. 37. 

 igogb. Coelenterates from Labrador and Newfoundland. Proceed. I.". S. Nat. Mus. Vol. 37. 



1913. Medusae and Siphonophorae collected by the U. S. Fisheries Steamer "Albatros" in the northwestern Pacific, 1906. - 

 Proceed. U. S. Nat. Mus. Vol. 44. 



19143. Explorations in the Gulf of Maine, July and August, i9i2, by the U. S. Fisheries Schooner "Grampus". Oceanography 



and Notes on the Plankton. Bull. Mus. Comp. Zool., Harvard Coll. Vol. 58. No. 2. 



I9i4b. I4st of Medusae craspedotae, Siphonophorae, Ctenophorae. Fauna of New England. 12. Occasional Papers of the Bo- 



ston Soc. Nat. Hist. VII. 



19140. Oceanography and Plankton of Massachusetts Bay and adjacent Waters, November, 1912 May, 1913. Bull. Mus. 



Comp. Zool. Harvard Coll. Vol. 58. No. 10. 



1915. Exploration of the Coast Water between Nova Scotia and Chesapeake Bay, July and August, 1913, by the U. S. Fish- 



' cries Schooner "Grampus". Oceanography and Plankton. Bull. Mus. Comp. Zool., Harvard Coll. Vol. 59. No. 4. 



1896. Birula, A. Materiale dlja biologii i zoogeografii preirauichestvenno russkich morei. Annuaire du Musee Zool. de 1'Acad. 

 Imp. des. Sci., Set. Petersb. 



1878. Bohm, R. Helgolander Leptomedusen. Jenaische Zeitschrifft, Bd. XII (N. F. Vol. i). 



1838. Brandt, J. Fr. Ausfiirliche Beschreibung der von C. H. Mertens auf seiner Weltumsegelung beobachteten Schirmquallen. 

 - Mem. Acad. Imp. Sci. St. Petersbourg. Ser. 6. Tom. 4. 



1905. Broch, Hj. Zur Medusenfauna von Xorwegen. Bergens Museums Aarbog 1905. 



1918. Hydroida, Part II. The Danish Ingolf-Expedition. Vol. V. Part 7. Copenhagen. 



