LITTERATüRFORTEaNELSE 



1. Allen in Joum. Marin Biol. Assoc, n. s. VII. 1904. 



2. Armaur Hansen, Gr.: Spongiadae. Den Norske Nordhavs- 



Exp. 1876—78. Kristiania 1885. 



3. Arnesen, Emily: Spongier fra den norske Kyst. I Calcarea. 



(Bestimmungstafel in deutscher Sprache). Bergens 

 Museums Aarbog for 1900. Bergen 1901. 



4. — Spongien von der norwegischen Küste. II Monaxonida: 



HaHchondrina. Berg. Mus. Aarb. for 1903. Bergen 

 1904. 



5. Bidder, G. P.: The Sceleton and Classification of Calcareous 



Sponges. Proc. Roy. Soc. London Vol. LXIV, 1899. 



6. Blainville, H. M. D. de: Manuel d'Actinologie ou de Zoo- 



phytologie. Paris 1834. 

 7a. BowERBANK, J. S.: On the Anatomy and Physiology of the 

 Spongiadae. Part I. Phil. Trans. CXLVIII, 2. 1858. 

 7b. — Part II. Phil. Tr. CLII, 2, 1862. 

 8. — List. Brit. Mar. Inv. Fauna (Brit. Ass.) 1861. 

 9a. — Monogr. Brit. Spongiadae, I London 1864. 

 9b. — — — —, II — 1866. 



9c. — — — —, III — 1874. 



9d. — — — —, IV (Norman ed.) 1882. 



10. — Observations on Dr. Gray's "Notes on the Arrange- 

 ment of Sponges, with the Description of some New 

 Genera". Proc. Zool. Soc. Lond. 1868. 

 11a. — Contribution to a General History of the Spongiadae. 



Part I. Proc. Zool. Soc. London 1872. 

 lib. — Part VII. — _ — _ 1875. 



12. Breitpuss, L. L.: Catalog der Calcarea der Zoologischen 



Sammlung des Königlichen Museums für Naturkimde 

 zu BerHn. Arch. f. Naturg. 63. Jahrg. Bd. I. 1897. 



13. — Die arktischen Kalkschwammfauna. Arch. Natg. 64. 



Jahrg. Bd. I. 1898. 



14. — Kalkschwammfauna des Weissen Meeres und des Eis- 



meerküsten des europäischen Russlands. 



Mém. de l'Acad. Imp. de Sc. de St. Peterb.s VIII 



Sér. Vol. VI. 1898. 



XXIII. 35 



