SI LICE A. 323 



CLASS, SILICEA. 



Sub-class HEXACTINELLIDA. 



Family EUPLECTELLIDJE. 

 Walteria, Schulze, 1887. 



flemmingii, Schulze. Challenger Reports, xxi. 96. 



Family ROSSELLID/E. 

 Euryplegma, Schulze, 1887. 



auriculare, Schulze. Challenger Reports, xxi. 176. 



Aulochone, Schulze, 1887. 



cylindrica, Schulze. Challenger Reports, xxi. 168. 



Family HYALONEMATID/E. 

 Poliopogon, Wyville-Thomson, 1877. 



gigas, Schulze. Challenger Reports, xxi. 254. 



Family FARREID^E. 

 Farrea, Bowerbank, 1862. Challenger Reports, xxi. 277. 



Family COSCINOSPORID/E. 

 Chonelasma, Schulze, 1887. 



lamella, Schulze. Challenger Reports, xxi. 321. 

 hamatum, Schulze. Challenger Reports, xxi. 323. 



Sub-class TRIAXONIA. 

 Order HEXACERATINA. 

 Family APLYSYLLID/E. 

 Dendrilla, Lendenfeld, 1883. 



rosea, Lendenfeld. Cat. Sponges in Aust. Mus. 28. 



Sub-class TETRAZONIA. 

 Order CHONDROSPONGIA. 



Family TETHYD/E. 

 Tethya, Lamarck, 1816. 



fissurata, Lendenfeld. Cat. Sponges in Aust. Mus. 48. 



Family STELLETTID^E. 

 Tethyopsis, Stewart, 1870. 



radiata, Marshall. Challenger Reports, xxv. 190. 



Family AXINELLID/K. 

 Axinella, Schmidt, 1862. 



sinclairi, Gray. T.N.Z.I. xxx. 317. 



Family SPONGILIDJE. 

 Spongilla, Lamarck, 1816. 



lacustris, Johnston. N.Z. Jour. Sci. i. 383 and 572. 



