746 PROF. A. DEXDY AND MR. R. W. H. ROW ON 



19. S. ENSiFERUM Bendy. 



Sycon ensiferum Denclj [1892B]. 

 Sycon ensiferum Row [1913 MS.]. 



20. S. PORMOSUM Haeckel. 



Dunstervillia formosa Haeckel [1870]. 

 Sycandra elegans v?a\ formosa Haeckel [1872]. 



21. S. GELATiKosuM de Blainville. 



Alcyoncellum gelatinosum de Blainville [1834-1847]. 

 Grantia virgtdtosa Bowerbank M.^.,fide Haeckel [1872]. 

 Sycandra alcyoncellum Haeckel [1872], fide Dendy 



[1892 B]. 

 Sycandra arhorea Haeckel \\9>12'],fide Dendy [1892 B]. 

 Sycon gelatinosum Dendy [1892 B]. 



22. S. GIGANTEUM Dendy. 



Sycon giganteuin Dendy [1892 B]. 



23. S. HELLERi von Lendenfeld. 



Sycandra helleri von Lendenfeld [1891], 



24. S. HUMBOLDTii Risso. Type species of the genus. 



Sycon humboldtii Risso [1826]. 



Dunstervillia corcyrensis 0. Schmidt [1862], fide 



Haeckel [1872]. 

 Dunstervillia scJimidtii Haeckel [1870], fid^e Haeckel 



[1872]. 

 Sycandra humholdtii Haeckel [1872]. 



25. S. IMPLETUM Haeckel. 



Artynas villosum, Haeckel [1870],^fZe Haeckel [1872]. 

 Sycandra villosa var. im.pletum Haeckel [1872]. 



26. S. iNCONSPicuuM von Lendenfeld. 



Sycaiidra inconspicua von Lendenfeld [1885 B]. 



27. S. INCRUSTANS Breitfuss. 



Sycon incrustans Breitfuss [1898 E]. 



28. S. KARAJAKENSE Breitfuss. 



Sycon karajakense Breitfuss [1897]. 



29. S. KERGUELENSis Urban. 



Sycon kerguelensis Urban [1908]. 



30. S. LAMBEI, sp. n. 



Sycon asperum Lambe [1896]. 

 The new specific name has been given to the above 

 species on account of the fact that the name as2)erum is 

 already occupied in this genus. (See above.) 



31. S. LANCEOLATUM ZTaec/l-e?. 



Sycum lanceolatum Haeckel [1870]. 



Sycandra ciliata var. lanceolata Haeckel [1872]. 



