CALCAREOUS SPONGES. 761 



22. G. CUPULA Haeckel. 



Sycetta cupula Haeckel [1872]. 



23. G. INVENUSTA Lamhe. 



Grantia invenusta Lambe [1900 B]. 



24. G. STROBiLUS Haeckel. 



Sycetta strohilus Haeckel [1872]. 



Section C With large, usually radially arranged oxea, 

 and with microxea. 



25. G. ACULEATA Urban. 



Grantia aculeata Urban [1908]. 



26. G. EXTUSARTicuLATA Carter. 



Hypograntia extusarticulata Carter [1885-1886]. 

 Grantia extusarticulata Dendy [1892 B]. 



27. G. iNDicA Dendy. 



Grantia indica Dendy [1912]. 



28. G. MiRABiLis Fristedt. 



Ascandra mirahilis Fristedt [1887]. 

 Grantia mirahilis Lundbeck [1909]. 



29. G. TUBEROSA Polejaeff. 



Grantia tuherosa Polejaeff [1883]. 



Section D. With microxea, but without large oxea. 



30. G. LAEVIGATA Haeckel. 



Sycortis Icevigata Haeckel [1872]. 

 Sycorttisa Icevigata von Lendenfeld [1885 B]. 



31. G. PHiLLipsii Lambe. 



G7^antia phillipsii Lambe [1900 B]. 



The following are doubtfully assigned to this genus : — 



32. G. siNGULARis Breitfuss. 



Sphenojjhorina singularis Breitfuss [1898 B]. 

 The genus Sphenophorina is discussed at some length in the 

 list of rejected genera. 



33. G. URCEOLUS Midler. 



Spongia tirceolus Miiller [1788-1796]. 

 Stated by Johnston [1842] to be very probably a variety of 

 Gh'antia compressa. 



Genus 24. Teichonopsis nov. 



Diagnosis. Sponge consisting of a single stipitate pei-son with 

 enormously expanded gastral cavity and thin, much folded 



