Literature. 



1. Agassiz, Alexander: Three cruises of the Blake. Vol.11. Bull. 

 Mus. Comp. Zool. Harward Coll. Cambridge. Vol. XV. Cam. 

 bridge, Mass. 1888. 



2. Arnesen, Emily : Spongien von der Norwegischen Kiiste. Ber- 

 gens Museums aarb. nr. I — II. 1903. 



3. Bocage, Barb. DU: Sponges silicienses nouvelles du Portugal et 

 de I'll e St. Yago (Arch, de Cap-Verde). Jornal de Sciencias Math. 

 Phys. e Nat publicado sob os anspios de Academia Real, das 

 sciensias de Lisboa p. 159. 1869. 



4. Bowerbank, I. S. : A Monograph of the British Spongiadne. 

 Vols. 1— IV. London. Ray. Soc. .1864, 1866, 1874, 1882. 



5. Carter, H. I. : Descriptions and figures of Deepsea-Sponges and 

 their spicules from the Atlantic Ocean, dredged onboard H.M.S. 

 Porcupine. Ann. Mag. Nat. Hist. (IV). Vol. 18. London. 1876. 



6. Carter, H. I.: Catalogue of marine sponges collected by Mr. 

 Jos. Willcox on the West Coast of Florida. Proc. Acad. Nat. Sci. 

 Vol! I, pag. 202. Philadelphia. 1884. 



7. Dendy, Arthur : Catalogue' of Non-Calcareous Sponges collected 

 by J. Bracebridge Wilson Esq. M. A. in the Neigbourhood of 

 Port Philips Head. Part III. Proc. Roy. Soc. Victoria. Vol. IX. 

 (New series). Melbourne. 1897. 



8. Filhol, H. : La vie au fond des mers. Paris. 1885. 



9. Fristedt, K. : Sponges from the Atlantic and Arctic oceans and 

 the Behring sea. "Vega" Exp. Vetcnsk. Iaktt. Bd. 4. Stock- 

 holm. 1887. 



10. Hansen, Armauer. Den norske Nordhavsexp. 1876—1878. Zoo- 

 logi. Bd. III. Spongiadae. Christiania. 1888. 



11. Ijima, I.: Studies on the Hexactinellida. Contribution I (Euplec- 

 tellidae), Journ. Sci. Coll., vol. 15. Tokyo. 1901. 



12. Kent, W. Saville: Notice on a new vitreous Sponge, Phero- 

 nema (Holtenia) Gray. Ann. Mag. Nat. Hist. (IV). Vol. 6, p. 182 

 London. 1870. 



12 a. Kent, W. Saville: On the Hexactinnelids etc. Monthly micr. 

 Journ. nov 1870. 



13. Lambe, L. M.: Sponges from the Atlantic Coast of Canada. Proc. 

 and Trans. Roy. Soc. Canada. Ser. 2, vol.11, sect. IV, p. 181. 1896. 



14. Lendenfeld, R. von: Descriptive catalogue of the Sponges in 

 the Australian Museum, Sydney. The Australian Museum. Lon- 

 don. 1888. 



15. Lendenfeld, R. von: Tetraxonia. Das Tierreich (herausgeg. F. 

 E. Schulze). Lief. 19. Porifera. Berlin. 1903. 



16. Lundbeck, W.: Porifera. Homorhaphidae and Heterorhaphidae. 

 The Danish Ingolf-Expedition. Vol. VI. Part 1. Copenhagen 1902. 



18. Lundbeck, W.: The Danish Ingolf-Expedition. Vol. VI. Part 2. 



Desmacidonidae (Pars). Copenhagen. 1905. 

 18. Lundbeck, W.: The Danish Ingolf-Expedition. Vol. VI. Part 3. 



De s macidonidae (Pars). Copenhagen. 1910. 



19. Milne-Edwards: Comptes rendus. T. XCIII, p. 871. 1881. 



20. Perrier, Edmond: Les explorations soumarines. Paris 1886. 



21. Ridley and Dendy: Report on the Monaxonida. Collected by 

 H.M.S. Challenger during the years 1873 — 76. The Voyage of 

 H. M. S. Challenger, Zoology. Vol. 20. Part. LIX. London. 1887. 



22. Schmidt, Oscar: Die Spongien des Adriatischen Meeres. Leip- 

 zig. 1862. 



23. Schmidt, Oscar: Qrundziige einer Spongien Fauna des Atlan- 

 tischen Gebietes. Leipzig 1870. 



24. Schmidt, Oscar: Spongien der Nordsee-Expedition 1872. Jah- 

 renb. d. Commiss. zur wiss, Untersuch der deutsch. Meere in 

 Kiel fur die Jahre 1872-73. II und III Jahrg. S. 115—120. 

 Berlin 1875. 



25. Schmidt, Oscar: Die Spongien des Meerbusens von Mexico 

 und des caraibischen Meeres. Jena 1880. 



26. Schulze, F. E.: Report on the Hexactinellida. Collected by 

 H.M.S. Challenger during the years 1873 — 76. The voyage of 

 H. M. S. Challenger Zoology. Vol. 21, part LIU. London. 1887. 



27. Schulze, F. E.: Revision des Systems der Hyalonematiden. 

 Sitzungsber. K. Preuss. Akad. Wiss. phys. math. Classe. Bd. 

 XXX, s. 541—589. Berlin. 1893. 



28. Schulze, F. E.: Hexactinelliden des Indischen Oceanes II Theil. 

 Die Hexasterophora. Abhandhl. K. Preuss. Akad. der Wiss. 

 Berlin 1895. 



29. Schulze, F. E. : Amcrikanische Hexactinelliden nach dem Ma- 

 terial der Albatross Expedition. Jena. 1899. 



30. Schulze, F. E.: Hexactinellida. Wiss. Ergebn. Deutsch. Tiefsee- 

 Expedition auf dem Dampfer "Valdivia" 1898—1899 (herausg. 

 von Carl Chun). IV Bd. Jena 1904. 



31. Sollas, W. J.: Report on the Tetractinellida. Collected by 

 H.M.S. Challenger during the years 1873—1876. The voyage of 

 H.M.S. Challenger, Zoology. Vol. 25, part. LXIII. London. 1888. 



32. THACKER, A. G. : On collections of the Cape Verde Island Fauna 

 made by Cyril Crosland. M. A. [Cantab.] etc. Proc. Zool. Soc. 

 London. II 1908. 



33. Thiele, I.: Kieselschwamme von Ternate II in: Kiikenthal. Er- 

 gebnisse einer zoolog. Forschungsreise in den Molukken und 

 Borneo. Abhandl. d. Senkenberg. Naturf. Gesellsch. Bd. XXV. 

 Heft 4. S. 934—969. Taf. XXVIII. Frankfurt a. M. 1903. 



33 a. Thomson, Wyw. : Voyage of the Challenger, The Atlantic, vol I. 



1877. 



34. Topsent, Emile: Contribution a l'etude des Spongiaires de ['At- 

 lantic Nord. Resultats des campagnes scientifiques accomplies sur 

 son yacht par Albert Ier, Prince souverain de Monaso fasc. II. 

 Monaco 1892. 



34 a. Topsent, Emile: Essai sur la faune des Spongiaires de Roscoff. 



Arch, de Zool. exp. et g£n. (II) vol. 9, p. 523. 1891. 



